Bt棉花对棉铃虫幼虫选择性行为的影响
Impacts of Bt cotton on host selection behavior of Helicoverpa armigera larv ae.
余月书;杨益众;印毅;邵益栋;康晓霞
点击:1588次 下载:7次
DOI:
作者单位:扬州大学农学院,扬州225009
中文关键词:Bt棉;棉铃虫;忌避效应
英文关键词:Bt cotton; cotton bollworm; repellence
中文摘要:利用“H”型嗅觉仪测定结果表明 :在棉花蕾期、花铃期 ,棉铃虫 2龄幼虫对常规棉的棉叶、嫩头的选择性明显高于转基因棉花品种 ,差异达显著或极显著水平。但 3龄幼虫对两者的选择性差异并不显著 ;而在棉花蕾期 ,果枝对棉铃虫 2龄幼虫选择性行为有一定的影响。试验初步说明Bt棉对
英文摘要:The behavioral response of larvae of the cotton bollworm to the transge nic-Bt cotton and nontransgenic cotton was measured using an “H" olfactomete r. The results show that the repellence of transgenicBt cotton to 2nd instar larv a e was stronger t