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对河南新乡棉区种植的转Ｂｔ基因棉和常规棉棉田虫情进行了定点系统调查和大田普查，结果表明：棉铃虫在两种棉田棉花上的落卵量无明显差别，而幼虫存量差异显著，Ｂｔ棉棉花上幼虫存量显著降低；Ｂｔ棉对棉蚜的发生无明显的影响，而Ｂｔ棉上棉红蜘蛛的发生比常规棉略重，同时初步研究制定出种植Ｂｔ棉后的棉虫综防对策
The results showed that there was no significant difference in the number of eggs laid on cotton between cotton bollworm and cotton bollworm while the stock of larvae was significantly different , Bt cotton significantly reduced the stock of larvae on cotton; Bt cotton had no significant effect on the occurrence of cotton aphid, while Bt cotton on cotton spider occurred slightly heavier than conventional cotton, at the same time to develop a preliminary planted cotton Bt cotton insects synthesis Preventive measures