摘要
为了明确西藏林芝地区小麦条锈菌的分子群体遗传结构,2010年,从西藏林芝地区的米林县、林芝县、波密县和工布江达县共采集到259个小麦条锈菌标样,利用10对小麦条锈菌SSR引物进行了群体遗传研究。结果表明,该地区小麦条锈菌的遗传多样性水平较低,群体存在一定的遗传分化,群体间遗传变异占总变异的12%,群体内遗传变异占88%,不同群体间存在着频繁的菌源交流。
Nyingchi of Tibet is one of the epidemic regions of wheat stripe rust caused by Puccinia striiformis f. sp. tritici （PST） in China, but no study on molecular population genetic diversity of PST are found until now. Two hundred fifty nine samples of PST were collected from Milin, Nyingchi, Bomi and Gongbujiangda of Tibet. Population genetic diversity of PST was investigated with 10 pair of SSR primers. Results showed that the population genetic diversity of PST from those regions of Tibet was low. Genetic differentiation was found among populations. The 12% of total variation came from among populations, 88% came from within populations. Frequency exchange of PST occurred among populations.
出处
《麦类作物学报》
CAS
CSCD
北大核心
2012年第5期880-884,共5页
Journal of Triticeae Crops
基金
国家自然科学基金项目(31071640
31071652和30960214)
农业行业计划(200903035)资助
关键词
小麦条锈菌
西藏林芝
群体遗传结构
Puccinia striiformis f. sp. tritici Nyingchi population genetic structure
