转Bt基因玉米的抗螟性及产量分析  

Resistance to Borer of Bt Maize and Yield Analysis

作　　者：康岭生[1] 王玉民[1] 姜昱[1] 李葱葱[1] 邢珍娟[1] 张明[1] 

机构地区：[1]吉林省农业科学院生物技术研究中心,长春130033

出　　处：《玉米科学》2009年第1期62-64,70,共4页Journal of Maize Sciences

摘　　要：在玉米心叶期和穗期对3个转Bt基因玉米品种及其相对应的受体品种进行人工接虫,分析了转Bt基因玉米对玉米螟的抗性及对产量损失的影响。结果表明:转Bt基因玉米在玉米心叶期,对一代玉米螟表现为高抗;在穗期,对二代玉米螟也表现高抗。在接虫条件下,转Bt基因玉米可以减少产量损失30%以上。因此,种植转Bt基因玉米具有明显增产作用和经济效益。Three Bt maize varieties and their corresponding receptor varieties were inoculated with the eggs of corn borer at 6 - 8 leaf stage and heading stage. The results showed that Bt maize were highly resistant to the first-generation corn borer at 6 - 8 leaf stage and highly resistant to the second-generation corn borer at the heading stage. Under the inoculation condition, non-transgenic receptor varieties showed more than 30% yield loss compared to corresponding Bt maize varieties. Therefore, the cultivation of Bt maize will help to get high yield and economic benefits.

关 键 词：玉米 转BT基因 抗螟育种 

分 类 号：S513.03[农业科学—作物学]