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      Karakterisasi Ragam Genetik Ikan Sepat (Trichogaster pectoralis) Berdasarkan Analisis RAPD (Random Amplified Polymorphic DNA) dan Morfometrik

      Characteristic of Sepat Fish (Trichogster pectoralis) based on RAPD (Random Amplified Polymorphic DNA) Analysis and Morphometric Measurment”,

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      Date
      2012
      Author
      Simatupang, Nova F.
      Soelistyowati,Dinar Tri
      Gustiano, Rudhy
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      Abstract
      This research aims to identify genetic relationship of sepat from Java (Tasikmalaya), Sumatera (Jambi), and Kalimantan (South Kalimantan) using RAPD (Random Amplified Polymorphic DNA) and morfometric character. The results shows that Sepat population from Kalimantan has the highest polymorphism and heterozigosity. Fragment size of RAPD loci in each population is about 125-2000 bp. The largest genetic distance is about 0.343 between population Java and Kalimantan and the smallest is about 0.257 between population Sumatra and Jawa. Based on morfometric character, there are 3 different characters recognized them are : B2, B6, and C2. The highest diversity coefficient is in C2 and the lowest is in A4.
       
      Penelitian ini bertujuan untuk mengidentifikasi keragaman genetik ikan sepat yang berasal dari tiga lokasi berbeda yaitu Jawa (Tasikmalaya), Sumatra (Jambi) dan Kalimantan (Kalimantan Selatan) menggunakan metode RAPD dan karakter morfometrik. Hasil menunjukkan bahwa polimorfisme dan heterosigositas tertinggi yaitu populasi ikan sepat Kalimantan (26,67%) dan (0,12). Ukuran fragmen pada setiap populasi berkisar antara 125-2000 bp. Jarak genetik yang paling jauh adalah populasi Jawa dengan Kalimantan (0,343) sedangkan jarak genetik yang paling dekat adalah populasi Sumatra dengan Jawa (0,257). Berdasarkan uji karakter morfometrik diketahui terdapat 3 karakter yang berbeda nyata yaitu B2 (jarak antara awal sirip dorsal dengan akhir sirip dorsal), B6 (jarak antara akhir sirip dorsal dengan sirip pektoral) dan C2 (jarak antara sirip pektoral dengan sirip ventral). Hasil analisis fungsi kanonikal menunjukkan karakter morfologi ikan sepat Kalimantan memiliki nilai indeks kesamaan dengan Sepat Jawa sebesar 20%
       
      URI
      http://repository.ipb.ac.id/handle/123456789/56355
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      • UT - Aquaculture [2191]

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