Genetic diversity of physic nut (Jatropha curcas L.) revealed by SSR markers

被引：10

作者：

Yaowalak Na-ek

Arunee Wongkaew

Thitaporn Phumichai

Nongluck Kongsiri

Rungsarid Kaveeta

Tanee reewongchai

Chalermpol Phumichai

机构：

[1] Kasetsart University,Department of Agronomy, Faculty of Agriculture

[2] Rubber Research Institute of Thailand,Department of Agriculture

来源：

Journal of Crop Science and Biotechnology | 2011年 / 14卷 / 2期

关键词：

genetic diversity; L.; physic nut; microsatellite; population structure;

D O I：

10.1007/s12892-011-0008-4

中图分类号：

学科分类号：

摘要：

Ten microsatellite markers were used to investigate genetic diversity and genetic structure among 32 accessions of Jatropha curcas. Low levels of average genetic diversity were observed (HE = 0.160). A dendrogram produced by the Unweighted Pair Group Method with Arithmetic Mean (UPGMA) based on Nei’s genetic distances revealed 3 groups among 32 accessions. The genetic differentiation (FST) among two groups was significant (P < 0.01). The model-based Bayesian clustering method indicated that a population structure (ΔK) was separated into two groups. The analysis of molecular variance (AMOVA) showed higher variability (63.753%) among groups than within groups (36.247%). These findings could assist in defining the best method of genetic conservation and studies in breeding programs for genetic improvement of J. curcas.

引用

页码：105 / 110

页数：5

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