转Bt基因棉对棉大卷叶螟种群动态的影响
Effects of the transgenic Bt cotton on population dynamics of the cotton leaf-roller Sylepta derogata.
刘芳;杨益众;陆宴辉;康晓霞;余月书;陈建;吴洁云;万年峰
点击:1634次 下载:5次
DOI:
作者单位:扬州大学农学院植物保护系,扬州225009
中文关键词:转Bt基因棉;棉大卷叶螟;种群动态;抗虫性;产卵选择性
英文关键词:transgenic Bt cotton; cotton leaf-roller; population dynamics; resistance; oviposition preference
中文摘要:2年的研究发现 ,棉大卷叶螟SyleptaderogataFabricius的种群数量在不同棉花品种田均呈现上升趋势 ,但转基因抗虫棉“国抗 22”的为害程度及百株虫量均小于亲本对照棉“泗棉 3号” ,其差异达显著或极显著水平 ;该虫的室内饲养结果表明 ,2个棉花品种均有利于棉大卷叶螟的
英文摘要:Population dynamics of the cotton leaf-roller(CLR), Sylepta derogata, in the transgenic and non-transgenic cotton fields were studied.The results showed that the damage degree and larva density of CLR in the transgenic cotton“guokang 22” are less