ANALYSIS OF THE A GENOME GENETIC DIVERSITY AMONG BRASSICA NAPUS, B. RAPA AND B. JUNCEA ACCESSIONS USING SPECIFIC SIMPLE SEQUENCE REPEAT MARKERS

被引：0
作者：
Tian, Hongyun [1 ,2 ]
Yan, Jinqiang [1 ,2 ]
Channa, Siraj Ahmed [1 ,2 ,3 ]
Zhang, Ruijie [1 ,2 ]
Guo, Yuan [1 ,2 ]
Hu, Shengwu [1 ,2 ]
机构：
[1] Northwest A&F Univ, State Key Lab Crop Stress Biol Arid Areas, Yangling 712100, Shaanxi, Peoples R China
[2] Northwest A&F Univ, Coll Agron, Yangling 712100, Shaanxi, Peoples R China
[3] Sindh Agr Univ, Dept Plant Breeding & Genet, Tandojam 70060, Sindh, Pakistan
来源：
PAKISTAN JOURNAL OF BOTANY | 2017年 / 49卷 / 01期
关键词：
Genetic diversity; Simple sequence repeat; A genome; Brassica cultivars; MULTILOCUS GENOTYPE DATA; INTERSUBGENOMIC HETEROSIS; INTROGRESSION; INFERENCE; RAPESEED; HYBRIDIZATION; COMPONENTS; RESISTANCE;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
This investigation was aimed at evaluating the genetic diversity of 127 accessions among Brassica napus, B. rapa, and B. juncea by using 15 pairs of the A genome specific simple sequence repeat primers. These 127 accessions could be clearly separated into three groups by cluster analysis, principal component analysis, and population structure analysis separately, and the results analyzed by the three methods were very similar. Group I comprised of mainly B. napus accessions and the most of B. juncea accessions formed Group II, Group III included nearly all of the B. rapa accessions. The result showed that 36.86% of the variance was due to significant differences among populations of species, indicated that abundance genetic diversity existed among the A genome of B. napus, B. rapa, and B. juncea accessions. B. napus, B. rapa, and B. juncea have the abundant genetic diversity in the A genome, and some elite genes can be used to broaden the genetic base of them, especially for B. napus, in future rapeseed breeding program.
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页码：125 / 132
页数：8
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