Acta Metallurgica Sinica 2007, 29(06) 619-624 DOI:      ISSN: 0412-1961 CN: 21-1139/TG

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Jatropha curcas
XIANG Zhen-Yong1 ,2 , 3 , SONG Song-Quan2 , WANG Gui-Juan2 ,
CHEN Mao-Sheng2 , YANG Cheng-Yuan2 , LONG Chun-Lin1
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Genetic Diversity of Jatropha curcas (Euphorbiaceae) Collected from Southern Yunnan, Detected by Inter-simple Sequence Repeat ( ISSR)

XIANG Zhen-Yong1 ,2 , 3 , SONG Song-Quan2 , WANG Gui-Juan2 ,
CHEN Mao-Sheng2 , YANG Cheng-Yuan2 , LONG Chun-Lin1

1 Kunming Institute of Botany , Chinese Academy of Sciences , Kunming 650204 , China ;
2 Xishuangbanna Tropical Botanical Garden , Chinese Academy of Sciences, Mengla 666303 , China ;
3 College of Landscape and Horticulture , Yunnan Agriculture University , Kunming 650201 , China


The genetic diversity of 158 individuals from eight semi-wild populations from Yunnan Province was estimated using ISSR method (8 primers). The results revealed an extraordinarily high level of genetic diversity ( at species level,
percentage of polymorphic loci PPB = 91.04% , effective number of alleles Ne = 1.5244 , Nei′s (1973 ) gene diversity He= 0.3070, and Shannon′s information index Ho = 0 . 4618 ; at population level, PPB = 55. 04% , Ne = 1.3826, Nei′s (1973) gene diversity He = 0.2171, and Shannon′s information index Ho = 0.3178). The level of genetic differentiation between populations is lower than that among populations . The low level of genetic differentiation among populations was detected, based on Nei′s genetic diversity analysis (29.44%), and AMOVA (36.50%). There is no associations between geographical distance and genetic identity.We suggest that Jatropha curcas of Yunnan Province might not be introduced from the same place.

Keywords Jatropha curcas  
Received 2007-04-12 Revised 1900-01-01 Online:  
Corresponding Authors: LONG Chun-Lin
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