DIVERSITAS GENETIK DAN GENE FLOW DALAM POPULASI TUMBUHAN LANGKA, Morus macroura Miq. DI SUMATERA BARAT

Syamsuardi, Syamsuardi and Jamsari , Jamsari and Pohan, Dewi (2008) DIVERSITAS GENETIK DAN GENE FLOW DALAM POPULASI TUMBUHAN LANGKA, Morus macroura Miq. DI SUMATERA BARAT. Working Paper. Fakultas MIPA. (Unpublished)

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Abstract

In order to clarify the genetic diversity within population and gene flow between population in the endangered Andalas tree (Morus mcraura Miq.), RAPD analysis was conducted on 24 individuals from 3 populations (X Koto, Tanjung Raya dan Batipuh) in West Sumatra. The different of genetic diveersities were detected among populations of Morus mcraura Miq. The genetic diversity of Tanjung Raya population of M. macroura (Na = 2, Ne = 1.307, 　H = 0.179, I = 0.270) was higher than those of Batipuh population (Na = 1, Ne = 1.291, H = 0.168, I = 0.250) and X Koto population (Na = 2, Ne = 1.264, H = 0.162, I = 0.249). Most of the total genetic diversity of M. macroura (HT=0.28) was resided within population (HS = 0.225), while between population (DST) was 0.055. The genetic differentiation was slightly high (GST = 0.244). Total Gene flow across all populations was slightly low (Nm=1.549). There was significantly correlated between geographic distance and genetic similarity of M. macroura (r = - 0,186, Mantel t-test = - 3.1305, p = 0.0009). Key words: endangered species, genetic diversity, gene flow, Morus mcraura

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