39份云南糯稻品种抗瘟性和遗传多样性的相关分析  

The Correlation Analysis between Blast Resistance and Genetic Diversity of 39 Yunnan Glutinous Rice Varieties

作　　者：杨慧[1] 杨学辉[1,2] 陆春明[1] 王云月[1] 

机构地区：[1]云南农业大学植物保护学院,农业生物多样性应用技术国家工程研究中心,云南昆明650201 [2]贵州省农业科学院植物保护研究所,贵州贵阳550006

出　　处：《云南农业大学学报（自然科学版）》2011年第1期1-5,共5页Journal of Yunnan Agricultural University:Natural Science

基　　金：国家重点基础研究发展计划“973”计划(2006CB100205);教育部高等学校博士学科点专项科研基金项目(200806760001)

摘　　要：采用温室人工接种方法利用8个云南稻瘟病菌优势小种对39份云南糯稻品种进行抗稻瘟病性鉴定,结果表明,表现高抗、抗及中抗的品种共24份,中感品种15份,无感和高感品种。利用24对SSR引物分析39份云南糯稻品种的遗传多样性,表明糯稻品种遗传变异较丰富,聚类分析显示其明显分为籼粳两支。糯稻品种抗瘟性与遗传多样性的相关分析表明,二者之间无显著相关性。Rice blast resistance of 39 Yunnan glutinous rice varieties was studied by inoculation of eight dominative Yunnan rice blast races in greenhouse.Results showed that 24 varieties were high resistance,resistance and medium resistance,15 varieties were medium susceptibility respectively,and no varieties were susceptibility and high susceptibility.Genetic diversity of the 39 rice varieties was analyzed by 24 SSR（simple sequence repeat） markers.Results showed abundant genetic variation of these varieties.Cluster analysis showed all varieties could be obviously divided into Indica and Japonica.And no significant correlation was found between blast resistance and genetic diversity of them.

关 键 词：糯稻 稻瘟病 抗性鉴定 遗传多样性 相关分析 

分 类 号：S435.111.41[农业科学—农业昆虫与害虫防治]