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<article xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="1.3" article-type="research-article"><front><journal-meta><journal-id journal-id-type="issn">2089-0257</journal-id><journal-title-group><journal-title>Jurnal Entomologi Indonesia</journal-title></journal-title-group><issn pub-type="epub">2089-0257</issn><issn pub-type="ppub">1829-7722</issn><publisher><publisher-name>Perhimpunan Entomologi Indonesia</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5994/jei.20.1.22</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>PENDAHULUAN</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>BAHAN DAN METODE</subject><subj-group subj-group-type="toc-heading"><subject>Isolasi</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Identifikasi</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Identifikasi</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Identifikasi secara molekuler menggunakan PCR.</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Amplifikasi DNA dengan teknik RAPD- PCR.</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Analisis DNA pada agarosa gel elektroforesis.</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Analisis data hasil PCR menggunakan primer ITS.</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Analisis data hasil RAPD.</subject></subj-group></subj-group><subj-group subj-group-type="toc-heading"><subject>HASIL</subject><subj-group subj-group-type="toc-heading"><subject>Morfologi</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Molekuler</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Profil pita DNA hasil PCR dengan marka RAPD</subject></subj-group></subj-group><subj-group subj-group-type="toc-heading"><subject>PEMBAHASAN</subject><subj-group subj-group-type="toc-heading"><subject>Morfologi</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Molekuler</subject></subj-group><subj-group subj-group-type="toc-heading"><subject>Profil pita DNA hasil PCR dengan marka RAPD</subject></subj-group></subj-group><subj-group subj-group-type="toc-heading"><subject>KESIMPULAN</subject></subj-group></article-categories><title-group><article-title>Keragaman genetik cendawan entomopatogen  Metarhizium anisopliae (Metsch.) berasal dari tanah pertanaman kelapa sawit berdasarkan penanda RAPD</article-title><subtitle>Genetic diversity of the entomopathogenic Metarhizium anisopliae (Metsch.) from oil palm planting soil based on RAPD markers</subtitle></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-0818-6264</contrib-id><name><surname>Sirait</surname><given-names>Desianty Dona Normalisa</given-names></name><address><country>Indonesia</country><email>desianty_dns@yahoo.com</email></address><xref ref-type="aff" rid="AFF-1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4140-9879</contrib-id><name><surname>Tobing</surname><given-names>Maryani Cyccu</given-names></name><address><country>Indonesia</country><email>cyccutobing@gmail.com</email></address><xref ref-type="aff" rid="AFF-1"/></contrib><contrib contrib-type="author"><name><surname>Safni</surname><given-names>Irda</given-names></name><address><country>Indonesia</country><email>irda@usu.ac.id</email></address><xref ref-type="aff" rid="AFF-1"/></contrib><aff id="AFF-1">Program Studi Agrotekologi, Fakultas Pertanian, Universitas Sumatera Utara, Indonesia</aff></contrib-group><pub-date date-type="pub" iso-8601-date="2023-6-7" publication-format="electronic"><day>7</day><month>6</month><year>2023</year></pub-date><volume>20</volume><issue>1</issue><fpage>22</fpage><history><date date-type="received" iso-8601-date="2021-10-21"><day>21</day><month>10</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2023-3-16"><day>16</day><month>3</month><year>2023</year></date></history><permissions><copyright-statement>Copyright (c) 2023 Desianty Dona Normalisa Sirait, Maryani Cyccu Tobing, Irda Safni</copyright-statement><license license-type="open-access"><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref><license-p>This work is licensed under a Creative Commons Attribution 4.0 International License.Authors who publish with this journal agree to the following terms:

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution 4.0 International License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).</license-p></license></permissions><self-uri xlink:href="https://jurnal.pei-pusat.org/index.php/jei/article/view/711">https://jurnal.pei-pusat.org/index.php/jei/article/view/711</self-uri><abstract><p>Metarizhium anisopliae (Metsch.) is an entomopathogenic fungus that attacks Oryctes rhinoceros (Linnaeus). This fungus is one of the potential bioagents that is environmentally friendly. The purpose of this study was to isolate the fungus M. anisopliae from various oil palm plantation soil samples and to see its genetic diversity based on RAPD markers. The method used in this research is the morphological and the molecular identification of M. anisopliae (ITS), and genetic diversity testing using RAPD markers. Fifteen isolates of M. anisopliae isolated from 15 oil palm plantation sites in North Sumatra were examined for their molecular diversity. On the basis of morphological characteristics, all isolates were identified as M. anisopliae. The result of sequencing with the ITS primer showed that all isolates of M. anisopliae isolated from soil had a 85–99% homology of with M. anisopliae and M. brunneum reference strains from gen bank database National Center Biotechnology Information (NCBI). Eight RAPD primers generated 39 scorable bands which 38 (98,44%) of them were polymorphic. Clustering analysis was performed based on RAPD profiles using Neighbour-Joining Tree method that formed 3 groups.</p></abstract><kwd-group><kwd>entomopathogenic fungi</kwd><kwd>genetic diversity</kwd><kwd>ITS sequencing</kwd><kwd>RAPD</kwd></kwd-group></article-meta></front><body><sec><title>PENDAHULUAN</title><p>Cendawan Spesies <italic>Metarhizium</italic> memiliki sifat mudah bertahan hidup dan beradapatasi dalam sejumlah lingkungan karena spesies ini fleksibel secara genetik pada tingkat fisiologi maupun ekologi, mudah beradaptasi terhadap perubahan heterogenitas nutrisi, peralihan inang dan virulensi, dan berhubungan kepada sejarah dan spesiasi kehidupan seksualnya <xref ref-type="bibr" rid="BIBR-30">(Leger RJ &amp; JB, 2020)</xref>. <italic>Metarhizium anisopliae</italic> (Metsch.) adalah cendawan entomopatogen aktif yang dikenal sebagai musuh alami banyak serangga hama. Investigasi pada cendawan ini menunjukkan bahwa <italic>M. anisopliae</italic> dapat menjadi agens pengendalian hayati yang efisien <xref ref-type="bibr" rid="BIBR-40">(Zimmerman, 1993)</xref>. <italic>Metarhizium</italic> merupakan alternatif pestisida yang dapat dipertimbangkan dan menjanjikan karena pestisida telah menyebabkan kerugian bagi kesehatan dan lingkungan <xref ref-type="bibr" rid="BIBR-32">(Stone &amp; Bidochka, 2020)</xref>. Pengendalian hayati menggunakan musuh alami, seperti entomopatogen <italic>M. anisopliae</italic> telah terbukti dapat mengendalikan serangga hama. <italic>M. anisopliae</italic> merupakan salah satu agens hayati yang digunakan dalam mengendalikan larva <italic>Oryctes rhinoceros</italic> (Linnaeus) (kumbang badak) pada pertanaman kelapa sawit <xref ref-type="bibr" rid="BIBR-33">(Susanto et al., 2012)</xref>.</p><p>Kompleksitas dalam klasifikasi umumnya terjadi karena karakter morfologi yang berbeda, misalnya ukuran dan bentuk konidia dan blastospora yang bervariasi yang terdapat dalam organisme yang sama, tetapi dengan kondisi yang dapat berubah <xref ref-type="bibr" rid="BIBR-10">(Glare et al., 1996)</xref>. Teknik <italic>random amplification of polymorphic</italic> DNA (RAPD) menunjukkan kelebihan ketika digunakan sebagai alat skrining awal <xref ref-type="bibr" rid="BIBR-15">(Kumar &amp; Thakur, 2014)</xref>. RAPD memungkinkan untuk membedakan <italic>strain</italic> bahkan pada tingkat intra-spesies sehingga lebih sesuai untuk membedakan secara cepat dari sejumlah besar mikroorganisme yang baru diisolasi <xref ref-type="bibr" rid="BIBR-18">(Navarro-Barranco et al., 2019)</xref>. Penggunaan RAPD dinilai penanda yang paling sesuai untuk analisis variabilitas genetik entomopatogen ini <xref ref-type="bibr" rid="BIBR-7">(Freed et al., 2014)</xref>.</p><p>Keanekaragaman spesies cendawan entomo- patogen telah dianalisis secara tradisional menggunakan fitur morfologi dengan menilai karakteristik fenotipik. Penentuan karakteristik secara morfologi tidak mampu membedakan antar spesies cendawan sehingga saat ini yang digunakan untuk penentuan adalah identifikasi molekuler, sementara identifikasi morfologi adalah data pendukung. Oleh karena itu, pemanfaatan metode molekuler untuk mendeteksi tingkat polimorfisme di antara spesies membantu meminimalkan masalah. Teknik molekuler yang berbeda telah dilakukan untuk mempelajari keanekaragaman genetik cendawan entomopatogen <xref ref-type="bibr" rid="BIBR-1">(Bai et al., 2015)</xref>.</p><p>Penelitian mengenai perbedaan genetik <italic>M. anisopliae</italic> dengan berbagai macam metode sudah banyak dilakukan di luar Indonesia <xref ref-type="bibr" rid="BIBR-35">(Tiago et al., 2011)</xref>;<xref ref-type="bibr" rid="BIBR-19">(Nishi et al., 2017)</xref>; <xref ref-type="bibr" rid="BIBR-27">(Serna-Domínguez et al., 2019)</xref>;<xref ref-type="bibr" rid="BIBR-14">(Korosi et al., 2019)</xref>. Akan tetapi, di Indonesia khususnya Sumatera Utara, penelitian mengenai perbedaan genetik <italic>M. anisopliae</italic> belum pernah dilakukan. Tujuan penelitian ini adalah untuk melihat keragaman genetik berbagai isolat <italic>M. anisopliae</italic> dari lokasi yang berbeda menggunakan penanda RAPD-PCR</p></sec><sec><title>BAHAN DAN METODE</title><sec><title>Isolasi <italic>M. anisopliae</italic> dari sampel tanah beberapa kabupaten</title><p><italic>M. anisopliae</italic> diisolasi dari sampel tanah kebun kelapa sawit rakyat dengan kisaran umur 6–35 tahun. Sampel tanah diambil dari lima kabupaten di Provinsi Sumatera Utara, dari setiap kabupaten diambil tiga kecamatan dan masing- masing kecamatan diambil satu desa. Sampel tanah diambil di sekitar perakaran tanaman dengan menggunakan sekop kecil pada kedalaman 10–15 cm sebanyak ±100 g dari lima titik secara diagonal, kemudian dimasukkan ke dalam kantong plastik dan diberi label sesuai dengan lokasi pengambilan sampel dan waktu. Sampel tanah tersebut dibawa ke laboratorium dan diaduk hingga rata (dikompositkan). Pengambilan sampel tanah dari lima kabupaten Provinsi Sumatera Utara, yaitu Kabupaten Deli Serdang, Langkat, Simalungun, Labuhan Batu, dan Tapanuli Selatan yang merupakan sentra kelapa sawit rakyat <xref ref-type="bibr" rid="BIBR-2">(Sumut, 2016)</xref>. Titik koordinat pengambilan sampel disajikan pada<xref ref-type="table" rid="table-9488afd0">Tabel 1</xref>.</p><table-wrap id="table-9488afd0"><label>Tabel 1</label><caption><p>Titik koordinat pengambilan sampel tanah<italic>(Coordinates of soil sampling)</italic></p></caption><table frame="box" rules="all"><thead><tr><th colspan="1" rowspan="2" style="" align="center" valign="middle"><p>Kabupaten</p><p><italic>(Regency)</italic></p></th><th colspan="1" rowspan="2" style="" align="center" valign="middle"><p>Kecamatan</p><p><italic>(Subdistrict)</italic></p></th><th colspan="1" rowspan="2" style="" align="center" valign="middle"><p>Desa</p><p><italic>(Vilage)</italic></p></th><th colspan="2" rowspan="1" style="" align="center" valign="middle"><p>Koordinat <italic>(Coordinate)</italic></p></th><th colspan="1" rowspan="2" style="" align="center" valign="middle"><p>Ketinggian</p><p><italic>(Elevation)</italic></p><p>(m dpl)</p></th></tr><tr><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>N</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>E</p></th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Rantau Selatan</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Rejo</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>2°4’3”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>99°52’8”T</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">34</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Rantau Utara</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Selamat</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>2° 4’32.64”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99°51’57.12”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">34</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bilah Barat</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Kampung Baru</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>2° 9’23.34”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99°47’1.92”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">37</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Batang Toru</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Sipenggeng</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>1°28’40.38”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99° 6’8.94”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">177</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Angkola Sangkunur</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Tarutung</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>1°26’24.60”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99° 1’2.16”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">29</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Muara Batang Toru</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Perdamean</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>1°27’28.86”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°58’25.32”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">28</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Simalungun</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Masilam</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Lias Baru</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°13’32.64”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99°18’41.04”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">37</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Simalungun</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Lanbau</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3° 7’46.74”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99°18’51.54”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">58</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Simalungun</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Huluan</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Tonga</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3° 6’43.50”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">99°13’50.04”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">101</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Langkat</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Selesai</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Mancang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°39’35.40”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°25’14.70”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">30</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Langkat</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Binjai</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Perdamaian</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°41’52.74”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°25’55.86”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">13</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Langkat</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Secanggang</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Teluk Parit Kaca</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°42’8.28”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°25’40.50”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">19</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>STM Hilir</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Gunung Rintih</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°22’3.12”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°42’11.40”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">141</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Pancur</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Kutambelin Tanjung Anom</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°31’32.28”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">98°34’33.78”T</td><td colspan="1" rowspan="1" style="" align="center" valign="top">54</td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Sibiru-biru</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Namotualang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>3°26’45”U</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top"><p>98°41’19”T</p></td><td colspan="1" rowspan="1" style="" align="center" valign="top">94</td></tr></tbody></table></table-wrap><p>Isolasi <italic>M. anisopliae</italic> dilakukan dengan memodifikasi metode umpan larva <italic>Tenebrio molitor</italic> Linnaeus yang dikemukakan oleh<xref ref-type="bibr" rid="BIBR-37">(Trizelia et al., 2013)</xref>. Tanah sebanyak 300 g dimasukkan ke dalam kotak plastik berukuran tinggi 11 cm dan diameter 12 cm, kemudian 10 individu larva <italic>T. molitor</italic> instar 3 dimasukkan ke dalam kotak plastik yang telah berisi tanah tersebut dan diinkubasi pada suhu kamar selama 10–14 hari. Larva yang mati dengan gejala terinfeksi <italic>M. anisopliae</italic> diambil dan disterilisasi permukaan dengan natrium hipoklorit 1% dan dibilas tiga kali dengan air steril dan dikeringanginkan. Isolasi cendawan dilakukan dengan cara memotong tubuh larva dan mengambil bagian dalam tubuh larva dan diinokulasikan ke atas media <italic>sabouraud dextrose agar yeast</italic> (SDAY) steril dalam cawan petri. Cendawan yang tumbuh diidentifikasi secara makroskopis dan mikroskopis. Biakan murni <italic>M. anisopliae</italic> berumur 16 hari diambil dengan bor gabus ukuran 5 mm, lalu ditanamkan pada media SDAY dan diinkubasi selama 16 hari pada suhu 28 °C.</p></sec><sec><title>Identifikasi <italic>M. anisopliae</italic> secara morfologi</title><p>Morfologi <italic>M. anisopliae</italic> yang tumbuh pada cawan petri diamati dengan melihat warna koloni, bentuk konidia serta mengukur panjang dan lebar konidia di bawah mikoskop (data tidak disajikan).</p></sec><sec><title>Identifikasi <italic>M. anisopliae</italic> secara molekuler Ekstraksi DNA. </title><p><bold>Ekstraksi DNA</bold> dari konidia <italic>M. anisopliae</italic> menggunakan <italic>Wizard Genomic DNA Purification Kit</italic>. Cendawan dimasukkan ke dalam tabung mikrosentrifuse 1,5 ml berisi 200 µl protein <italic>nuclei lyses solution</italic> (NLS) lalu digerus menggunakan <italic>micro pestle</italic> hingga halus. Kemudian, ditambahkan lagi 400 µl protein NLS dan divorteks 1–3 detik untuk membasahi jaringan. Sampel diinkubasi dalam <italic>thermo mixer</italic> pada suhu 65 <bold>°</bold>C, 15 menit. <italic>RNase solution</italic> 3 µl ditambahkan ke lisat sel dan dicampur dengan membalikkan tabung 2–5 kali. Campuran tadi diinkubasi pada suhu 37 <bold>°</bold>C, 15 menit. Sampel dibiarkan dingin dalam suhu ruang selama 5 menit kemudian ditambahkan 200 µl <italic>protein precipitation solution</italic> dan divorteks 20 detik. Sampel disentrifugasi selama 3 menit pada 13.000 x g. Supernatan dipindahkan ke dalam tabung mikrosentrifuse 1,5 ml yang berisi 600 µl isopropanol suhu ruang. Larutan dicampur dengan perlahan dengan dibolak-balik. Larutan disentrifugasi pada 13.000 x g selama 4 menit. Supernatan dibuang dengan hati-hati. Kemudian, ditambahkan etanol 70% suhu ruang sebanyak 600 µl dan secara perlahan tabung dibalikkan beberapa kali untuk mencuci DNA. Selanjutnya, disentrifugasi pada 13.000 x g selama 1 menit. Etanol dibuang dan pelet DNA dikeringanginkan selama 15 menit. DNA <italic>rehydration solution</italic> ditambahkan sebanyak 100 µl dan rehidrasi pada suhu 65 <bold>°</bold>C selama 1 jam. DNA disimpan pada suhu 2–8 <bold>°</bold>C <xref ref-type="bibr" rid="BIBR-22">(Promega, 2019)</xref>.</p></sec><sec><title>Identifikasi secara molekuler menggunakan PCR. </title><p>Identifikasi <italic>M. anisopliae</italic> secara molekuler dilakukan dengan <italic>sekuensing</italic> DNA menggunakan primer ITS1 (TCCGTAGGTGAACCTTGCGG) untuk reaksi <italic>forward</italic> dan ITS4 (TCCTCCGCTT ATTGATATGC) untuk reaksi <italic>reverse</italic> sesuai yang dilakukan oleh <xref ref-type="bibr" rid="BIBR-20">(CC et al., 2012)</xref>. Target pasangan basa yang harus dicapai di kisaran 600 pb. Proses <italic>thermocycler</italic> adalah sebagai berikut: Tahap 1: pra-amplifikasi PCR 3 menit pada suhu 95 <bold>°</bold>C; Tahap II: amplifikasi PCR dilakukan sebanyak 30 siklus reaksi, dengan pemisahan utas DNA genom (denaturasi) pada suhu 94 <bold>°</bold>C, 30 detik. Penempelan primer (<italic>annealing</italic>) pada suhu 55 <bold>°</bold>C, 30 detik: sintesis pada suhu 72 <bold>°</bold>C, 1 menit; dan tahap III: Pasca-amplifikasi pada suhu 72 <bold>°</bold>C, 10 menit. <italic>Sekuensing</italic> dilakukan untuk mengidentifikasi <italic>M. anisopliae</italic> dari ekstrak DNA. Ekstrak DNA dikirim ke Macrogen, Korea. Sekuens yang diperoleh dianalisis dengan data serupa yang telah dipublikasikan sebelumnya di bank gen dengan analisis penyejajaran (<italic>allignment</italic>). Analisis penyejajaran digunakan untuk membandingkan dua sekuens atau lebih dengan program <italic>Basic Local Allignment Search Tools</italic> (BLAST) melalui National Center Biotechnology Information (NCBI). Pohon filogenetik dibangun menggunakan perangkat lunak Mega 5.2. menggunakan algoritma <italic>NeighbourJoining Tree</italic>.</p></sec><sec><title>Amplifikasi DNA dengan teknik RAPD- PCR. </title><p>Hasil ekstraksi DNA diamplifikasi dengan teknik RAPD-PCR menggunakan 10 jenis primer, yaitu OPA-12 (TCGGCGATAG), OPA-09 (GGG TAACGCC), OPAB-04 (GGCACGCGTT), OPC- 04 (CCGCATCTAC), OPC-01 (TTCGAGCCAT), OPAB-09 (GGGCGACTAC), OPA-03 (AGTCAG CCAC), OPAB-03 (TGGCGCACAC), OPA-04 (AATCGGGCTG), dan OPA-10 (GTGATCGCAG). Volume final campuran reaksi PCR adalah 25 µl. Komposisi reaksi PCR sebagai berikut: 12,5 µl PCR Gotaq Green Master Mix 2x, 2,5 µl primer, 5 µl DNA sampel, dan 5 µl <italic>nucleus water</italic> dengan menggunakan mesin <italic>thermo cycler</italic> berlangsung dengan urutan sebagai berikut: Tahap 1: praamplifikasi PCR 1 menit pada suhu 94 <bold>°</bold>C; Tahap II: amplifikasi PCR dilakukan sebanyak 40 siklus reaksi, dengan pemisahan utas DNA genom (denaturasi) pada suhu 94 <bold>°</bold>C, 35 detik. Penempelan primer (<italic>annealing</italic>) pada suhu 40<bold>°</bold>C, 35 detik: sintesis pada suhu 72 <bold>°</bold>C, 1 menit; dan tahap III: Pasca-amplifikasi pada suhu 72 <bold>°</bold>C, 10 menit <xref ref-type="bibr" rid="BIBR-7">(Freed et al., 2014)</xref> .</p></sec><sec><title>Analisis DNA pada agarosa gel elektroforesis. </title><p>Fragmen DNA hasil amplifikasi untuk setiap primer dipisahkan pada gel agarosa 1,5% dalam buffer TAE 1X pada 80 V selama 1 jam. Gel agarosa diwarnai dengan 2 µl <italic>ethidium bromida</italic>. Pita DNA hasil amplifikasi diamati di atas transiluminator UV dan dilanjutkan dengan pemotretan menggunakan alat dokumentasi gel UV. Profil pita RAPD diamati berdasarkan pola polimorfiknya, yaitu dengan melihat jumlah dan ukuran pita.</p></sec><sec><title>Analisis data hasil PCR menggunakan primer ITS.</title><p> Hasil sekuens dengan primer ITS dimasukkan ke database bank gen NCBI untuk menentukan homologi dengan data yang ada di NCBI. Pohon filogenetik dibangun menggunakan perangkat lunak Mega 5.2.</p></sec><sec><title>Analisis data hasil RAPD. </title><p>Pita polimorfik masing-masing sampel DNA diamati untuk menentukan adanya perbedaan isolat. Setiap posisi pita DNA diubah ke dalam bentuk data biner dengan memberi nilai 1 jika ada pita dan 0 jika tidak ada pita. Data biner ini selanjutnya diolah dengan menggunakan program perangkat lunak Darwin 6.0.14. Berdasarkan nilai kesamaan genetik tersebut dilakukan analisis pengelompokan (<italic>cluster analysis</italic>) menggunakan metode <italic>Neighbour-Joining Tree</italic>. Hasil analisis pengelompokan tersebut berupa dendogram kesamaan genetik yang menunjukkan hubungan kesamaan antar isolat.</p></sec></sec><sec><title>HASIL</title><sec><title>Morfologi <italic>M. anisopliae</italic></title><p>Hasil pengamatan morfologi secara makro- skopis dan mikroskopis menunjukkan cendawan yang diisolasi dari tanah pertanaman kelapa sawit adalah <italic>Metarhizium</italic> sp<italic>.</italic><xref ref-type="fig" rid="fig-36a38496">Gambar 1</xref>. Secara makroskopis warna koloni cendawan berwarna kuning kehijauan, dengan atau tanpa zonasi. Secara mikroskopis konidia berbentuk silinder dan berwarna hijau.</p></sec><sec><title>Molekuler <italic>M. anisopliae</italic> dengan sekuensing menggunakan primer ITS1 dan ITS4</title><p>Hasil amplifikasi DNA 15 sampel <italic>M. anisopliae</italic> menggunakan primer ITS 1 dan ITS 4 berada pada kisaran 600 pb. Hasil <italic>sekuensing</italic> disajikan pada<xref ref-type="table" rid="table-2a621579">Tabel 2</xref> filogenetik hasil <italic>sekuensing</italic> menggunakan primer ITS disajikan pada<xref ref-type="fig" rid="fig-c5c074d6">Gambar 2</xref>. Dari 15 sampel yang di<italic>sekuensing</italic> diperoleh kesamaan genetik dengan kisaran 86–99% dengan <italic>strain</italic> yang dirujuk yang terdaftar di website NCBI. Informasi <italic>strain</italic> rujukan untuk membandingkan 15 sampel <italic>M. anisopliae</italic> disajikan pada<xref ref-type="table" rid="table-a2e4c7fc">Tabel 3</xref>. Dari hasil BLAST NCBI<xref ref-type="table" rid="table-a2e4c7fc">Tabel 3</xref> 15 isolat <italic>M. anisopliae</italic> pada penelitian ini berkerabat dekat dengan <italic>Metarhizium</italic> yang diisolasi dari tanah dari China, Australia, Turki, Jepang, British Columbia, Swiss, dan Amerika.</p></sec><sec><title>Profil pita DNA hasil PCR dengan marka RAPD</title><p>Hasil amplifikasi terhadap 10 primer menunjukkan bahwa hanya 8 primer yang dapat menghasilkan pita pada sampel <italic>M. anisopliae</italic>. Ukuran DNA hasil amplifikasi diestimasi melalui perbandingan migrasi setiap fragmen yang diamplifikasi dengan fragmen marka (DNA <italic>ladder</italic> 100 pb). Dari 8 primer yang produktif, total jumlah pita RAPD-PCR yang dihasilkan sebanyak 39 pita (lokus) dengan rataan jumlah pita per primer sebanyak 4,875 pita. </p><fig id="fig-36a38496"><label>Gambar 1</label><caption><p><italic>Metarhizium sp. </italic>asal 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15: Kutambelin (Deli Serdang). <italic>(Metarhizium sp. from 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15: Kutambelin (Deli Serdang)).</italic><italic>(Metarhizium sp. from 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15: Kutambelin (Deli Serdang)).</italic></p></caption><graphic xlink:href="https://jurnal.pei-pusat.org/index.php/jei/article/download/711/579/7504" mimetype="image" mime-subtype="png"><alt-text>Image</alt-text></graphic></fig><table-wrap id="table-2a621579"><label>Tabel 2</label><caption><p>Hasil sekuens basa nukleotida dari 15 sampel <italic>Metarhizium anisopliae</italic><italic>(Results of nucleotide base sequences from 15 samples of Metarhizium anisopliae</italic>)</p></caption><table frame="box" rules="all"><thead><tr><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>No.</p></th><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>Sampel <italic>(Sample)</italic></p></th><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>Sekuens basa nukleotida <italic>(Nucleotide base sequence)</italic></p></th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>1.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> K. Baru_ITS_1 (M1)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GTCCTGTTACATCCACCCCTGTGATTATACCTTTAATTGTTGCTTCGGC- GGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTTTAATA- AGTATCTTCTGAGTGGTTAAAAAAAATGAATCCAAAATTTCAACGACCG- GACTTTTGGTTCCGGGCTCCATGAAAAACGCAACCAAATGGGATTAGTA- ATGGGAATTGCCGAAATCAGTGGAACCTCCGATCTTTTAACGCCCCTTGC- GCCCGGCCGTATTCTGGGCGGCATGGCCGGTCCAACGTCATTTCCCCCCCT- CAGTCCCCTGGGGAACTGGTGTTGGGGATCCGCCAAGCTGGTTTTC- CAGCACAGCCCGCCCTTAA ATTA ATTGGCGGTCTCCCCCTG - GCCCCCCCTTTCCCAATAATAAAAACTCGCCACAGGGGCCCGGGCGC- GTCCCCTGCCCTAAAACCCCCAACTTTTTATAGTGACTCGAATAGGTGAGA- CTACCCGCTGAATTAACATATCATACCGAAGGAACTTGTTCATTTGACCAAC- CAGCACGGGTCTCACGACCCTCTATGTATCGATGCGCCCAGGCAGTTACCT- GATATCATGGA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>2.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> B. Rejo_ITS_1 (M2)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TGGTAAAACAGCGTACGCTCCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAACA- ACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGCGATAAG- TAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCACATT- GCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCATTACGCC- CCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTGGTTTTC- CAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTGGCCCTCCTCT- GCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCGGTCCACTGC- CGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAGGTAGGAC- TACCCGCTGAACTTAAGCATATCAAAAACCGGGAAGGAACCAACCCCT- GCCCCCAACCCC</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>3.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Sipenggeng_ITS_1 (M4)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TGGGGAAAGGAAAACGTAAGATCCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCA- ACAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACG- CACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCAT- TACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTG- GTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTG- GCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCG- GTCCACTGCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAGG- TAGGACTACCCGCTGAACTTAAGCATATCATAAACCCGAAGGAAACCAAC- CAAAACCAAAAA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>4.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Sipenggeng_ITS_1 (M4)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GTGAATTGGAGCTATACGAATCCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAA- CAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAAC- GCACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGT- CATTACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAG- GCTGGTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGC- CGTGGCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCG- GCGCGGTCCACTGCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTC- GA AT CAGGTAGGACTACCCGCTGAACTTAAGC ATAT C ATAAACCG - GAAGGAAGTTTTTTTTTTTTGTTTTGTT</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>5.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Perdamean TS_ ITS_1 (M5)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GGAAAAATAGCCGGAAGACAGCACACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAA- CAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACG- CACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCAT- TACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTG- GTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTG- GCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCG- GTCCACTGCCGTAAAACCCCCCAACTTTTTATAGTTGACCTCGAATCAG- GTAGGACTACCCGCTGAACTTAAGCATATCAAAAACCGGGAGGAAATATA- AATTTTAAATAAATTT</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>6.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> B. Tarutung_ITS_1 (M6)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TTTTTAGGCGGGAGAGCGAAAGAAGCCACCCCTGTGATTATACCTTTA- ATTGTTGCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCT- GAATTTTTTAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAAT- CAAAACTTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAAC- GCAGCGAA ATGCG ATAAGTA ATGTGA ATTGCAGA ATTCAGTGA AT- CATCGAATCTTTGAACGCACATTGCGCCCGTCAGTATTCTGGCGGGCAT- GCCTGTTCGAGCGTCATTACGCCCCTCAAGTCCCCTGTGGACTTGGT- GTTGGGGATCGGCGAGGCTGGTTTTCCAGCACAGCCGTCCCTTAAATTA- ATTGGCGGTCTCGCCGTGGCCCTCCTCTGCGCAGTAGTAAAACACTCG- CAACAGGAGCCCGGCGCGGTCCACTGCCGTAAAACCCCCCCAACTTTT- TATAGTTGACCTCGAATCAGGTAGGACTACCCGCTGAACTTAAGCATAT- CATAACCGGGAAGGAACCAACCCCAAAACACTACAA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>7.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. ansiopliae</italic></p><p>Lanbau_ITS_1 (M7)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TGGGCGAAGGGAGCTAGGGGTAAAGCCACCCCTGTGATTATACCTTTA- ATTGTTGCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCT- GAATTTTTTAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAAT- CAAAACTTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAAC- GCAGCGAA ATGCG ATAAGTA ATGTGA ATTGCAGA ATTCAGTGA AT- CATCGAATCTTTGAACGCACATTGCGCCCGTCAGTATTCTGGCGGGCAT- GCCTGTTCGAGCGTCATTACGCCCCTCAAGTCCCCTGTGGACTTGGT- GTTGGGGATCGGCGAGGCTGGTTTTCCAGCACAGCCGTCCCTTAAATTA- ATTGGCGGTCTCGCCGTGGCCCTCCTCTGCGCAGTAGTAAAACACTCG- CAACAGGAGCCCGGCGCGGTCCACTGCCGTAAAACCCCCCCAACTTTT- TATAGTTGACCTCGAATCAGGTAGGACTACCCGCTGAACTTAAGCATAT- CATAAACCGGAAGGAACCCCCATAAAAGGAGAAA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>8.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> B. Tonga_ITS_1 (M8)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TTAAAAATCGGGGCGTACGCTCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAAC- AACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGCGATA- AGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCA- CATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCATTACGC- CCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTGGTTTTC- CAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTGGCCCTCCTCT- GCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCGGTCCACT- GCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAGGTAGGAC- TACCCGCTGAACTTAAGCATATCAATAAGCGGAGGAAAATTTGAGGGAGA- AATAT</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>9.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> L.</p><p>baru_ITS_1 (M9)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GGGAAATAAGCTGTAAAAAGCCAACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAAC- AACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGCGATA- AGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCA- CATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCATTACGC- CCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTGGTTTTC- CAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTGGCCCTCCTCT- GCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCGGTCCACT- GCCGTAAAACCCCCCAACTTTTTATAGTTGACCTCGAATCAGGTAGGAC- TACCCGCTGAACTTAAGCATATCAAAAGCCGGGAGGAAAAAAATTTTATA- AAAAAAATTTTTTAAAAAA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>10.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Perdamaian L_ITS_ 1 (10)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GGGGAGAAAAGCGTAGCATCTGATCCCTGTGACTATACCTGTAGTTGTT- GCTTCGGGGGGACTTCTCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAAATTTCAA- CAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACG- CACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCAT- TACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTG- GTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTG- GCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCG- GTCCACTGCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAGG- TAGGACTACCCGCTGAACTTAAGCATATCATAACCCGGAAGGAAAAACCCC- GCCCCTGGGGGGGGTTTTTCTTCGGGGG</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>11.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Teluk_ ITS_1 (M11)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TTGGAATACGAACGTAGGCTCCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAAC- AACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACG- CACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCAT- TACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTG- GTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTG- GCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCG- GTCCACTGCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAG- GTAGGACTACCCGCTGAACTTAAGCATATCAAAAACCCGGAGGAAATTT- TATAACAAAAAAATGGGA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>12.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Mancang_ITS_1 (M12)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TGGTAATGAATTTTCCCACTCCACCCCTGTGATTATACCTTTAATTGTTG- CATTCAGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAA- CAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAAC- GCACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGT- CATTACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGC- GAGGCTGGTTTTCCAGGACAGGCATCCCCTCAAAAAACCCGACCTTGC- CAGTAAGAGGATCCTCCGTCGCAGAATTTCCAAGGTAAAGCCCGTCT- GCCCCAAGTCAAAGTGGGGGGGACTTCACGGAAGGACTCTCCCTAATAC- GCGGAAAAAATTTCCCATATCGAAACCCTTTTATCTCCGAAAACCCGAAC- CACCGGGCGAAAAATCCCCCCCCTTGGGGGGAAATAACCCCGGGGGGGCA- CAAA ATTTCTGAAGA ATTTCCCCAACAGGAAAAACCCCCCACAA - CAATATCCCCAAAAAAAAAAAGTGGCCCCCAAAAAAAATAAAAGGGTTTA- AAAAAG</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>13.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> G.</p><p>Rintih_ITS_1 (M13)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>TTGGTGATTTACGCGAACGAATCCAACCCCTGTGAGTTATACCTTTAAGTT- GTCGGCTTCGGGGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCT- GAATTTTTTAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAAT- CAAAAATTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAAC- GCAGCGAA ATGCG ATAAGTA ATGTGA ATTGCAGA ATTCAGTGA AT- CATCGAATCTTTGAACGCACATTGCGCCCGTCAGTATTCTGGCGGGCAT- GCCTGTTCGAGCGTCATTACGCCCCTCAAGTCCCCTGTGGACTTGGT- GTTGGGGATCGGCGAGGCTGGTTTTCCAGCACAGCCGTCCCTTAAATTA- ATTGGCGGTCTCGCCGTGGCCCTCCTCTGCGCAGTAGTAAAACACTCGCAA- CAGGAGCCCGGCGCGGTCCACTGCCGTAAAACCCCCCAACTTTTTATAGTT- GACCTCGAATCAGGTAGGACTACCCGCTGAACTTAAGCATATCAAAAGCCG- GAGGAACCCCCCAAACCGCCAAAAAAA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>14.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Namotualang_ITS_1 (M14)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GGGAAAAGAAGCTGAACGACAGCCCACCCCTGTGATTATACCTTTA- ATTGTTGCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCT- GAATTTTTTAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAAT- CAAAACTTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAAC- GCAGCGAA ATGCG ATAAGTA ATGTGA ATTGCAGA ATTCAGTGA AT- CATCGAATCTTTGAACGCACATTGCGCCCGTCAGTATTCTGGCGGGCAT- GCCTGTTCGAGCGTCATTACGCCCCTCAAGTCCCCTGTGGACTTGGT- GTTGGGGATCGGCGAGGCTGGTTTTCCAGCACAGCCGTCCCTTAAATTA- ATTGGCGGTCTCGCCGTGGCCCTCCTCTGCGCAGTAGTAAAACACTCGCAA- CAGGAGCCCGGCGCGGTCCACTGCCGTAAAACCCCCCAACTTTTTATAGTT- GACCTCGAATCAGGTAGGACTACCCGCTGAACTTAAGCATATCTAAAGC- GGGAAGGAAACCCCTAACAAAGCCACCGGA</p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>15.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic> Kutambelin_ITS_1 (M15)</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>GTAACGGGAGGTACGGTAGATCCACCCCTGTGATTATACCTTTAATTGTT- GCTTCGGCGGGACTTCGCGCCCGCCGGGGACCCAAACCTTCTGAATTTTT- TAATAAGTATCTTCTGAGTGGTTAAAAAAAAATGAATCAAAACTTTCAAC- AACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGC- GATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACG- CACATTGCGCCCGTCAGTATTCTGGCGGGCATGCCTGTTCGAGCGTCAT- TACGCCCCTCAAGTCCCCTGTGGACTTGGTGTTGGGGATCGGCGAGGCTG- GTTTTCCAGCACAGCCGTCCCTTAAATTAATTGGCGGTCTCGCCGTG- GCCCTCCTCTGCGCAGTAGTAAAACACTCGCAACAGGAGCCCGGCGCG- GTCCACTGCCGTAAAACCCCCCCAACTTTTTATAGTTGACCTCGAATCAG- GTAGGACTACCCGCTGAACTTAAGCATATCAATAAGCCGGAGGAAAACC- GAATCATATTTCCCCGAAGGA</p></td></tr></tbody></table></table-wrap><p>Jumlah pita terbanyak adalah 11 pita diamplifikasi oleh primer OPA-03, dan terendah adalah 2 pita yang diamplifikasi oleh primer OPAB-04, OPC-01, dan OPA-04. Profil pita-pita yang dihasilkan dari kedelapan primer yang telah diuji, dapat digunakan untuk tujuan analisis keragaman genetik <italic>M. anisopliae.</italic> Profil pita DNA <italic>M. anisopliae</italic> dengan marka RAPD dapat dilihat pad<xref ref-type="fig" rid="fig-7e9a1b04">Gambar 3</xref>. </p><p>Berdasarkan hasil amplifikasi dengan menggunakan 8 primer, diperoleh data berupa skoring untuk menentukan kesamaan genetik antar individu dalam 15 sampel <italic>M. anisopliae</italic>.</p><p>Pengelompokan hasil analisis keragaman genetik melalui pohon filogenetik (<italic>dendogram</italic>) berdasarkan marka molekuler RAPD, dapat mengetahui kekerabatan <italic>M. anisopliae</italic> di 15 lokasi propinsi Sumatera Utara. Pohon filogenetik dapat dilihat pada<xref ref-type="fig" rid="fig-0eb80d6f">Gambar 4</xref>. Hasil analisis jarak genetik atau ketidaksamaan genetik <italic>M. anisopliae</italic> berdasarkan teknik RAPD disajikan pada<xref ref-type="table" rid="table-0130b339">Tabel 4</xref>.</p><fig id="fig-c5c074d6"><label>Gambar 2</label><caption><p>ENeighbour-joining tree dari sekuens menggunakan primer ITS 1 yang menggambarkan kekerabatan filogenetik Metarhizium anisopliae dari Sumatera Utara. Nomor aksesi NCBI sebagai strain rujukan ditampilkan di dalam kurung. Cordyceps bassiana digunakan sebagai outgroup. Angka pada cabang menunjukkan persentase bootstrap yang berasal dari 1000 <italic>sampel.</italic><italic>(eighbor-joining tree of sequences using primer ITS 1 which illustrates the phylogenetic relationship of Metarhizium anisopliae from North Sumatra. The NCBI accession number as the reference strain is shown in brackets. Cordyceps bassiana was used as the outgroup. The number on the branch shows the percentage of bootstrap from 1000 samples).</italic></p></caption><graphic xlink:href="https://jurnal.pei-pusat.org/index.php/jei/article/download/711/579/7503" mimetype="image" mime-subtype="png"><alt-text>Image</alt-text></graphic></fig><table-wrap id="table-a2e4c7fc"><label>Tabel 3</label><caption><p>Informasi strain rujukan<italic>(Reference strain information)</italic></p></caption><table frame="box" rules="all"><thead><tr><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>Takson <italic>(Taxon)</italic></p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Asal isolasi</p><p><italic>(Substrate)</italic></p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Lokasi</p><p><italic>(Location)</italic></p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Identifier</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>No Aksesi NCBI (No.accession)</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Referensi</p><p><italic>(Reference)</italic></p></th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>Metarhizium anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>China</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>MaTS04</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>KX057377</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-4">(Dong et al., 2016)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>China</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>MaTS02</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>KX057378</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-4">(Dong et al., 2016)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae var. anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Turki</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>KTU 19</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>FJ177494</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-28">(Sevim et al., 2010)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>China</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>CNGD4</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>FJ545279</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-8">(Freed et al., 2011)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae var. anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>British Columbia</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>LRC 211</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>EU307909</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-11">(Inglis et al., 2008)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. anisopliae var. anisopliae</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Bahan gundukan rayap <italic>(Termite</italic></p><p><italic>mounds)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Australia</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>FI-775</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>AF137059</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-5">(Driver et al., 2000)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. brunneum</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Tanah <italic>(Soil)</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Swiss</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>ARSEF 4179</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>HQ331451</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-26">(Schneider et al., 2011)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>M. brunneum</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">-</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Amerika</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>ARSEF 2107</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>NR_132023</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-12">(Kepler &amp; Rehner, 2013)</xref></p></td></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p><italic>Cordyceps bassiana</italic></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">-</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>Jepang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>-</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>AB079609</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><xref ref-type="bibr" rid="BIBR-39">(Yokoyama et al., 2002)</xref></p></td></tr></tbody></table></table-wrap><fig id="fig-7e9a1b04"><label>Gambar 3</label><caption><p>Profil DNA Metarhizium anisopliae menggunakan primer a: OPAB-04; b: OPC-04; c: OPC-01; d: OPAB-09; e: OPA-03; f: OPAB-03; g: OPA-04; h: OPA-10. Keterangan M: Marka; 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15 Kutambelin (Deli Serdang).<italic>(Metarhizium anisopliae DNA profile using primer a: OPAB-04; b: OPC-04; c: OPC-01; d: OPAB-09; e: OPA-03; f: OPAB-03; g: OPA-04; h: OPA-10. Caption M: Marking; 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15 Kutambelin (Deli Serdang)).</italic></p></caption><graphic xlink:href="https://jurnal.pei-pusat.org/index.php/jei/article/download/711/579/7501" mimetype="image" mime-subtype="png"><alt-text>Image</alt-text></graphic></fig><fig id="fig-0eb80d6f"><label>Gambar 4</label><caption><p>Pohon filogenetik keragaman genetik Metarhizium anisopliae di lima belas lokasi Propinsi Sumatera Utara berdasarkan marka RAPD. M anisopliae 1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15: Kutambelin (Deli Serdang). Angka pada cabang menunjukkan persentase bootstrap yang berasal dari 1000 sampel. Analisis pengelompokan (cluster analysis) menggunakan metode Neighbour-Joining Tree.<italic>(Phylogenetic tree of genetic diversity of Metarhizium anisopliae at fifteen locations in North Sumatra Province based on RAPD markers. M anisopliae1: Kampung Baru (Labuhan Batu); 2: Bandar Rejo (Labuhan Batu); 3: Bandar Selamat (Labuhan Batu); 4: Sipenggeng (Tapanuli Selatan); 5: Perdamean (Tapanuli Selatan); 6: Bandar Tarutung (Tapanuli Selatan); 7: Lanbau (Simalungun); 8: Bandar Tonga (Simalungun); 9: Lias Baru (Simalungun); 10: Perdamaian (Langkat); 11: Teluk Parit Kaca (Langkat); 12: Mancang (Langkat); 13: Gunung Rintih (Deli Serdang); 14: Namotualang (Deli Serdang); 15: Kutambelin (Deli Serdang). The number on the branch indicates the percentage of bootstrap from 1000 samples. Grouping analysis (cluster analysis) using the Neighbor-Joining Tree).</italic></p></caption><graphic xlink:href="https://jurnal.pei-pusat.org/index.php/jei/article/download/711/579/7502" mimetype="image" mime-subtype="png"><alt-text>Image</alt-text></graphic></fig></sec></sec><sec><title>PEMBAHASAN</title><sec><title>Morfologi <italic>M. anisopliae</italic></title><p>Identifikasi morfologi <italic>M. anisopliae</italic> diamati berdasarkan bentuk dan warna konidia, serta warna koloni. Bentuk konidia dalam media SDAY di bawah pengamatan mikroskop berbentuk silinder dengan ujung bulat dan umumnya berwarna hijau muda dan beruntai bersama. Lima belas isolat dari penelitian ini diidentifikasi sebagai <italic>M. anisopliae</italic> berdasarkan karakter morfologi<italic>.</italic> Ukuran konidia dengan lebar minimum dan maksimum masing- masing adalah 1,80 ± 0,29 μm dan 2,43 ± 0,29 μm, serta panjang minimum dan maksimum masing- masing adalah 5,96 ± 0,41 μm dan 6,54 ± 0,57 μm. Hal ini, sesuai dengan penelitian yang dilakukan oleh <xref ref-type="bibr" rid="BIBR-9">(Ghayedi &amp; Abdollahi, 2013)</xref> bahwa konidia <italic>M. anisopliae</italic> berbentuk silinder ke oval dan berukuran &lt;9 μm. Rasio panjang/lebar konidia minimum 2,63 μm dan maksimum 3,56 μm. <xref ref-type="bibr" rid="BIBR-34">(Tangthirasunun et al., 2010)</xref> membagi dimensi konidia rasio panjang/lebar konidia <italic>M. anisopliae</italic> ke dalam tiga kelompok. Kelompok rasio panjang/ lebar konidia yang rendah, yaitu berukuran ≤2,18 μm, kelompok rasio panjang/lebar konidia medium berukuran antara 2,33–2,87 μm, dan kelompok rasio panjang/lebar konidia tinggi berukuran ≥2,91 μm. Isolat <italic>M. anisopliae</italic> pada penelitian ini masuk ke dalam kategori konidia medium dan tinggi yang dikemukakan oleh <xref ref-type="bibr" rid="BIBR-34">(Tangthirasunun et al., 2010)</xref> .</p><table-wrap id="table-0130b339"><label>Tabel 4</label><caption><p>Matriks jarak atau ketidaksamaan genetik untuk kombinasi pasangan 15 isolat Metarhizium anisopliae dari Sumatera Utara dengan PCR RAPD<italic>(Matrix of genetic distance or dissimilarity for the combination of 15 pairs of Metarhizium anisopliae isolates from North Sumatra by RAPD PCR)</italic></p></caption><table frame="box" rules="all"><thead><tr><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>Kode</p><p><italic>(Code)</italic></p></th><th colspan="1" rowspan="1" style="" align="left" valign="top"><p>Lokasi <italic>(Location)</italic></p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>1</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>2</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>3</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>4</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>5</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>6</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>7</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>8</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>9</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>10</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>11</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>12</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>13</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>14</p></th><th colspan="1" rowspan="1" style="" align="center" valign="middle"><p>15</p></th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>1.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Kampung Baru, Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>2.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Rejo, Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,466</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>3.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Selamat, Labuhan Batu</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,470</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><bold>0,051</bold></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>4.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Sipenggeng Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,509</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,159</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,163</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>5.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Perdamaian Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,336</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,373</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,377</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,416</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>6.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Tarutung Tapanuli Selatan</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,250</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,444</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,448</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,486</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,314</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>7.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Lanbau Simalungun</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><bold>0,520</bold></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,170</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,175</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,180</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,427</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,498</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>8.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Bandar Tonga Simalungun</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,284</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,477</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,481</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p><bold>0,520</bold></p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,347</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,077</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,531</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>9.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Lias Baru Simalungun</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,405</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,442</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,446</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,484</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,231</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,382</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,496</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,416</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>10.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Perdamaian Langkat</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,338</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,316</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,320</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,358</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,245</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,316</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,370</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,349</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,313</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>11.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Teluk Langkat</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,494</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,144</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,148</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,153</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,401</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,471</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,128</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,505</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,469</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,343</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>12.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Mancang Langkat</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,505</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,363</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,367</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,405</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,412</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,483</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,417</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,517</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,481</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,355</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,390</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>13.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Gunung Rintih Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,443</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,244</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,248</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,287</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,350</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,421</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,298</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,454</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,419</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,293</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,272</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,340</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>14.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Namotualang Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,479</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,164</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,168</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,206</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,386</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,457</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,218</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,490</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,455</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,329</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,191</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,376</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,257</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr><tr><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>15.</p></td><td colspan="1" rowspan="1" style="" align="left" valign="top"><p>Kutambelin Deli Serdang</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle">0,259</td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,452</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,456</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,494</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,322</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,176</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,506</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,209</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,390</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,324</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,479</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,491</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,429</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"><p>0,465</p></td><td colspan="1" rowspan="1" style="" align="center" valign="middle"/></tr></tbody></table><table-wrap-foot><p>Angka yang ditebalkan mewakili kisaran jarak genetik antara isolat <italic>M. anisopliae</italic> dari berbagai lokasi.<italic>(The numbers in bold represent the range of genetic distances between M. anisopliae isolates from various locations).</italic></p></table-wrap-foot></table-wrap><p>Hasil pengamatan warna koloni isolat <italic>M. anisopliae</italic> yang ditumbuhkan pada media SDAY selama 16 hari menunjukkan miselia cendawan awalnya berwarna putih ke krem, lalu menjadi kekuningan atau kuning kehijauan atau menjadi hijau tua. Umumnya, isolat berwarna kuning kehijauan, kecuali M13 hijau tua. Hal ini, sesuai dengan penelitian yang dilakukan oleh <xref ref-type="bibr" rid="BIBR-9">(Ghayedi &amp; Abdollahi, 2013)</xref> bahwa warna koloni <italic>M. anisopliae</italic> adalah hijau kekuningan dan warna hijau zaitun.<xref ref-type="bibr" rid="BIBR-3">(Bridge et al., 1993)</xref>mendeskripsikan <italic>M. anisopliae</italic> memiliki warna hijau kekuningan, warna kuning langsat, hijau tua rumput, merah jambu atau merah anggur kekuningan. <xref ref-type="bibr" rid="BIBR-25">(N et al., 2015)</xref> juga melaporkan morfologi warna koloni <italic>M. anisopliae</italic> adalah hijau pucat atau hijau tua.</p><p>Di alam isolat <italic>M. anisopliae</italic> mengandung kumpulan genotipe yang beragam dan mungkin terdiri atas spesies yang kompleks dan banyak melibatkan ekpresi genom. Oleh karena itu, bisa terjadi bahwa dalam satu taksa, isolat individu dapat menunjukkan variasi karakter biologi <xref ref-type="bibr" rid="BIBR-24">(Rachappa et al., 2009)</xref>. <xref ref-type="bibr" rid="BIBR-17">(Milner et al., 2002)</xref> menemukan variasi dalam karakter koloni <italic>M. anisopliae</italic> yang dikumpulkan dari lokasi geografi dan inang serangga. <xref ref-type="bibr" rid="BIBR-6">(Fernandes et al., 2009)</xref>  menyatakan morfologi <italic>M. anisopliae</italic> yang berbeda dapat terjadi karena kondisi lingkungan dan fisiologis yang bervariasi.</p></sec><sec><title>Molekuler <italic>M. anisopliae </italic>dengan sekuensing menggunakan primer ITS1 dan ITS4</title><p>Dari pohon filogenetik hasil analisa <italic>sekuensing</italic> 15 sampel isolat <italic>M. anisoplie</italic> memiliki kekerabatan yang dekat dengan <italic>M. anisopliae</italic> dan <italic>M. brunnuem</italic> yang diisolasi dari tanah dari 15 lokasi. M1 (Kampung Baru) memiliki kekerabatan 86% dengan nomor aksesi KX057377 dan KX057377 (China) dan FJ177494 (Turki). M12 (Mancang) memiliki kekerabatan yang dekat, yaitu 98% dengan <italic>M. anisopliae</italic> dan <italic>M. brunnuem</italic> dengan nomor aksesi AF137059 (Australia), HQ331451 (Swiss), dan NR_132023 (Amerika). M9 (Lias Baru) memiliki kekerabatan yang dekat, yaitu 99% dengan <italic>M. anisopliae</italic> dengan nomor aksesi KX057378 (China), FJ177494 (Turki), dan FJ545279 (China). Sisa isolat lainnya memiliki kekerabatan yang dekat, yaitu 99% dengan <italic>M. anisopliae</italic> dengan nomor aksesi KX057377 (China) dan EU307909 (British Columbia). Dalam penelitian ini, semua sampel <italic>M. anisopliae</italic> diisolasi dari tanah perkebunan (pertanian). <xref ref-type="bibr" rid="BIBR-19">(Nishi et al., 2017)</xref> melaporkan lebih banyak menemukan <italic>M. anisopliae</italic> pada tanah pertanian dibandingkan dengan tanah bukan pertanian. Akan tetapi, <xref ref-type="bibr" rid="BIBR-13">(Keyser et al., 2015)</xref>melaporkan bahwa jarang menemukan <italic>M. anisopliae</italic> dari tanah pertanian di Denmark dan lebih didominasi oleh <italic>M. flavoviridae</italic>. Hal ini menunjukkan bahwa distribusi <italic>M. anisopliae</italic> menunjukkan variasi pada sampel tanah dan lokasi yang berbeda. <xref ref-type="bibr" rid="BIBR-4">(Dong et al., 2016)</xref> melaporkan bahwa pada cendawan <italic>Metarhizium</italic> melimpah di daerah Selatan Barat Daya daerah China termasuk daerah pertanian. Hal ini berhubungannya dengan kondisi iklim area yang memiliki waktu musim panas yang panjang dengan rata-rata suhu 27–33 °C dan dengan musim dingin yang pendek tanpa salju sehingga kondisi ini sesuai dengan pertumbuhan <italic>M. anisopliae</italic>. Diduga kondisi ini sama dengan di Sumatera Utara dengan rata-rata suhu 22,1–33 °C<xref ref-type="bibr" rid="BIBR-2">(Sumut, 2016)</xref>  yang menyebabkan homologi cendawan <italic>M. anisopliae</italic> yang diperoleh dari penelitian ini berkisar 98% dengan cendawan <italic>M. anisopliae</italic> yang diisolasi oleh <xref ref-type="bibr" rid="BIBR-7">(Freed et al., 2014)</xref> . Hasil penelitian <xref ref-type="bibr" rid="BIBR-4">(Dong et al., 2016)</xref>menemukan spesies <italic>M. anisopliae</italic> di daerah Tibet, tetapi tidak di Qinghai dan Gansu (China) karena daerah geografi Tibet lebih hangat dibandingkan dengan di Qinghai dan Gansu.</p></sec><sec><title>Profil pita DNA hasil PCR dengan marka RAPD</title><p>Jumlah pita DNA hasil amplifikasi dari ke-8 primer dihasilkan 39 total pita DNA atau 98,44% pita di antaranya merupakan pita polimorfik. Semakin banyak pita polimorfik, semakin banyak situs penempelan primer <xref ref-type="bibr" rid="BIBR-36">(Trizelia, 2005)</xref> .</p><p>Primer yang paling banyak menghasilkan pita adalah primer OPAB-09, OPA-03, dan OPAB- 03 (7, 11, dan 7 pita). Hal ini sama dengan penelitian yang dilakukan oleh<xref ref-type="bibr" rid="BIBR-7">(Freed et al., 2014)</xref> bahwa 5 primer, yaitu OPA-04, OPA-03, OPA-10, OPAB-09, dan OPA-12) adalah yang paling edukatif karena primer-primer ini mengenali pita polimorfik secara maksimum dan menghasilkan jumlah pola pita yang tinggi dengan 49% pita adalah polimorfik.</p><p>Jarak genetik antara isolat dari berbagai lokasi disajikan pada . Jarak genetik antara isolat berkisar dari 0,051 sampai 0,520%, dengan jarak genetik maksimum 0,520% antara isolat Lanbau (Simalungun) dengan Kampung Baru (Labuhan Batu) dan isolat Bandar Tonga (Simalungun) dan Sipenggeng (Tapanuli Selatan). Jarak atau ketidaksamaan genetik ini diduga karena lokasi pengambilan isolat-isolat ini berada pada kabupaten yang berjauhan<xref ref-type="table" rid="table-9488afd0">Tabel 1</xref>. Sementara, jarak genetik terdekat isolatnya diambil dari kabupaten yang sama (berdekatan).</p><p>Pada pohon filogenetik berdasarkan hasil analisis RAPD, <italic>M. anisopliae</italic> terbagi menjadi 3 kelompok (<italic>cluster</italic>), yaitu kelompok 1 terdiri atas Ma 11 (Teluk), Ma 7 (Lanbau), Ma 4 (Sipenggeng), Ma 3 (Bandar Selamat), Ma 2 (Bandar Rejo), Ma 14 (Namotualang) dan Ma 13 (Gunung Rintih); kelompok 2 terdiri atas Ma 8 (Bandar Tonga), Ma 6 (Bandar Tarutung), Ma 15 (Kutambelin), Ma 1 (Kampung Baru), Ma 9 (Lias Baru), Ma 5 (Perdamean), dan Ma 10 (Perdamaian); dan kelompok 3 hanya terdiri atas Ma 12 (Mancang). Dari pengelompokan-pengelompokan yang terbagi pada pohon filogenetik, tidak ada kelompok yang berasal dari kabupaten yang sama dan semua kelompok tersebar dalam 3 kelompok. Isolat yang berasal dari tempat yang sama belum tentu memiliki profil genetik yang sama. Keadaan tanah kebun yang diambil meskipun berasal dari kabupaten yang sama, diduga memiliki perbedaan kondisi kebun yang berbeda. Perbedaan ini bisa disebabkan banyak hal, dapat disebabkan oleh kondisi internal cendawan itu sendiri atau dapat juga disebabkan oleh kondisi eksternal, yaitu interaksi cendawan dengan lingkungan. Menurut <xref ref-type="bibr" rid="BIBR-31">(Strom &amp; Bushley, 2016)</xref>  heterokariosis adalah bagian integral dari siklus paraseksual yang digunakan oleh cendawan aseksual (termasuk <italic>M. anisopliae</italic>) yang dominan untuk introduksi dan mempertahankan variasi genetik dalam populasi. Heterokariosis mungkin berperan dalam kemampuan jamur untuk merespons lingkungan mereka. Melalui proses ini akan menghasilkan <italic>strain</italic> yang secara genetik berbeda. <xref ref-type="bibr" rid="BIBR-16">(VN &amp; J, 2007)</xref> menyatakan bahwa cendawan <italic>M. anisopliae</italic> juga mengembangkan adaptasi yang berbeda sesuai dengan jenis tanah dan/atau rizosfer yang ada di mana cendawan ini muncul. </p><p>Pada pohon filogenetik dapat dilihat pada kelompok-kelompok yang sama asal isolat tidak terdapat pengelompokan berdasarkan jarak geografis antara isolat. Hal ini sama seperti hasil penelitian <xref ref-type="bibr" rid="BIBR-29">(Sevim et al., 2012)</xref> bahwa variabilitas genetik yang tinggi ditemukan antara isolat <italic>M. anisopliae</italic> var. <italic>anisopliae</italic> yang diperoleh dari tanah pertanian/non pertanian wilayah timur Laut Mati Turki dan kelompok yang ditentukan tidak terkait dengan tipe habitat, lokasi geografis, pertumbuhan di tempat yang berbeda suhu, resistensi UV, atau virulensi terhadap <italic>T. molitor</italic>. <xref ref-type="bibr" rid="BIBR-21">(Pong et al., 2017)</xref> juga melaporkan <italic>M. anisopliae</italic> yang diisolasi dari tanah mineral dan tanah gambut tidak berada dalam satu kelompok, ini menunjukkan bahwa jenis tanah bukan faktor yang mempengaruhi variasi genetik <italic>M. anisopliae</italic>. Pada pohon filogenetik ada temuan menarik bahwa pertanaman yang diberi tandan kosong kelapa sawit (M8 dan M15) dan limbah cair kelapa sawit (M10) berada dalam <italic>cluster</italic> yang sama. Praktek budi daya ini diperoleh dari hasil wawancara petani yang kebunnya menjadi lokasi pengambilan sampel tanah untuk isolasi <italic>M. anisopliae</italic>.</p><p>Primer-primer RAPD yang digunakan dalam penelitian mampu mempelajari keragaman genetik <italic>M. anisopliae</italic>. Hal ini seperti yang dilakukan <xref ref-type="bibr" rid="BIBR-23">(Ranga &amp; Saini, 2011)</xref> yang membuktikan bahwa <italic>Metarhizium</italic> yang berada dalam populasi tertentu memiliki tingkat polimorfisme yang bervariasi. <xref ref-type="bibr" rid="BIBR-7">(Freed et al., 2014)</xref> mengatakan RAPD-PCR dari <italic>M. anisopliae</italic> menunjukkan tingkat polimorfisme yang dapat dipertimbangkan dalam kelompok yang sama dan tidak ada hubungannya dengan asal serangga inang. Hasil penelitian <xref ref-type="bibr" rid="BIBR-38">(Velásquez et al., 2007)</xref> menunjukkan bahwa analisis RAPD-PCR berguna dalam mendeteksi variabilitas genetik di dalam dan di antara kelompok isolat <italic>M. anisoplie</italic> yang dikumpulkan dari wilayah geografis yang berbeda. Tidak ada genotipe identik yang terdeteksi oleh analisis ini. Namun, analisis RAPD tidak mendeteksi adanya hubungan antara keragaman genetik isolat dan lokasi asalnya isolat dikumpulkan.</p></sec></sec><sec><title>KESIMPULAN</title><p>Hasil identifikasi secara morfologi lima belas isolat adalah <italic>Metarhizium</italic> sp<italic>.</italic> Hasil <italic>sekuensing</italic> semua isolat <italic>M. anisopliae</italic> yang diisolasi dari tanah memiliki homologi 86–99% dengan strain <italic>M. anisopliae</italic> yang dirujuk berdasarkan database GenBank NCBI. Keragaman genetik <italic>M. anisopliae</italic> dapat dideteksi menggunakan marka RAPD. Dari 8 primer RAPD, diperoleh 38 pita DNA yang 98,44% di antaranya merupakan pita polimorfik. Nilai ketidaksamaan genetik ke lima belas <italic>M. anisopliae</italic> berkisar 0,051 hingga 0,520%. Analisis pengelompokan RAPD menggunakan metode <italic>Neighbour-Joining Tree</italic> menunjukkan terdapat tiga kelompok utama. Pengujian keragaman genetik <italic>M. anisoplia</italic>e dengan menggunakan marka RAPD di perkebunan kelapa sawit ini merupakan langkah awal dalam seleksi atau penafisan untuk memilih isolat unggul dari cendawan <italic>M. anisopliae</italic>.</p></sec></body><back><ref-list><title>References</title><ref id="BIBR-1"><element-citation publication-type="article-journal"><article-title>Morphology and RAPD analysis of certain potentially ento-mopathogenic isolates of Metarhizium anisopliae Metsch</article-title><source>Journal of Microbiology and Biotechnology Research</source><volume>5</volume><person-group 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