大豆种质资源对大豆疫霉病菌抗病性测定  

IDENTITICTION THE RESISTANCE OF SOYBEAN GERMPLASM TO PHYTOPHTHORA SOJAE

作　　者：马淑梅[1] 李宝英[2] 

机构地区：[1]黑龙江大学农学院,哈尔滨150080 [2]黑龙江省农业科学院,哈尔滨150086

出　　处：《大豆科学》2006年第3期279-282,287,共5页Soybean Science

基　　金：国家攻关项目;课题编号:2004BA509130603

摘　　要：采用下胚轴伤口接种方法,用混合菌种测定80份大豆种质资源对大豆疫霉病菌的抗病性;同时测定69份大豆种质对大豆疫霉病菌7个生理小种的抗性谱。在重复测定中表现抗病的材料有6份,占供试材料的7.5%;表现中抗的材料12份,占供试材料的15%;感病材料为62份,占供试材料的77.5%。对大豆疫霉病菌7个生理小种(1、3、9、11、17、21、24)全抗的材料有12份,占供试材料的17.4%;对七个生理小种(1、3、9、11、17、21、24)表现中等抗性的有4份,占供试材料的5.8%;1份材料对1号、9号、11号、24号表现中等抗性,占供试材料的1.5%;无论在混合菌种和分生理小种测定中,在相同的材料上抗性反应是一致的。Eighty soybean germplasm lines were investigated for their resistance to Phytophthora sojae u- sing mixed culture by the hypocotyls inoculation technique. And the same time ,the resistance of 69 lines to 7 physiological races of Phytophthora sojae were identified. The results indicate that 6 lines resistant to Phytophthora sojae , 12 lines intermediate response and 62 susceptible to Phytophthora sojae ,the proportion were 7. 5%, 15% and 77. 5% respectively. Among the tested lines , 12 resistant to 7 physiological races of Phytophthora sojae （1,3,9,11,17,21,24） and 4 showed intermediate response, the ratio are 17. 4% and 5.8%. Only 1 line showed intermediate response to race Number 1,9,11 and 24,rate 1.5%. Both in mixed culture tests and single physiological race tests, the resistance of equal lines to Phytophthora sojae was the same.

关 键 词：大豆种质资源 大豆疫霉病 抗性测定 

分 类 号：S565.132[农业科学—作物学]