摘要
为探究不同地区蚜虫是否存在生物型差异,为大豆蚜虫生物型的划分和筛选多抗大豆资源提供参考,以上海和哈尔滨2个地区的蚜虫对P746等7个大豆资源进行选择性和非选择性蚜虫鉴定试验,比较这些大豆资源对两地蚜虫的反应。非选择性鉴定试验结果表明:P746和江西9号抗两地蚜虫;东农47感两地蚜虫;江西33、江西37和江西69抗哈尔滨蚜虫,感上海蚜虫;江西22抗上海蚜虫、感哈尔滨蚜虫。选择性鉴定试验结果表明:P746(伤害指数DI=25%)和江西9号(DI=25%)表现为抗上海蚜虫;而东农47、江西33、江西37、江西69(DI=68%～75%)表现为感上海蚜虫。选择性试验与非选择性试验结果一致,推断2个地区的蚜虫可能存在生物型的差异。
The objective of this research was to test for aphid biotypes using two aphid isolates and seven soybean genotypes. The responses of two soybean aphid（Aphid glycines Matsumura）isolates, one collected in Shanghai and the other in Harbin, were compared by infesting seven soybean genotypes in unselective test. The same genotypes were also tested with the Shanghai isolate in a selective test. In the unselective test, soybean P746 and Jiangxi 9 were resistant to both Shanghai and Harbin iso- lates ,while Dongnong 47 was heavily susceptible to the both. Jiangxi 33 ,Jiangxi 37 and Jiangxi 69 were resistant to Harbin iso- late, but susceptible to Shanghai isolate. In addition,Jiangxi 22 was resistant to Shanghai isolate, but susceptible to Harbin iso- late. In the selective experiment, P746 （DI = 25% ）and Jiangxi 9 （DI = 25% ）were a little damaged by Shanghai isolate;but the other four soybean genotypes, such as Dongnong 47, were severely damaged（ DI = 68%-75% ）. These results indicated that Shanghai aphid isolate is different from Harbin aphid isolate.
出处
《大豆科学》
CAS
CSCD
北大核心
2013年第2期234-237,共4页
Soybean Science
基金
国家转基因重大专项(2011ZX08004-004)
引进国际先进农业科学技术计划"948计划"(2011-G1(2)-16)
上海市重点学科建设基金(B209)
关键词
大豆
大豆蚜虫
生物型
Soybean
Soybean Aphid
Biotype
