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盲蝽目前在棉田为害十分猖獗,通过研究盲蝽的生活习性、寄主植物和为害特点,并结合我国目前棉花生产的现状和盲蝽对棉田为害的实际情况,分析了棉田盲蝽为害日益严重的成因,初步得出由于防治效果欠佳,抗性迅速增加;种植结构调整,寄主植物增多;种植密度增加,生存环境优化等客观原因以外,认为目前种植的转Bt基因抗虫棉改变了盲蝽在生态系统中的生态位,并且可能由于转Bt基因的缘故使得棉花的生理代谢发生改变,使得转Bt基因抗虫棉对盲蝽具有更强的诱惑力。
Lygus is currently rampant in the cotton field. By studying the living habits, host plants and damage characteristics of Lygus, and combining with the current situation of cotton production in China and the actual situation of Lygus in the cotton field, The results showed that the Bt transgenic Bt cotton was planted at present due to the poor control effect and the rapid increase of resistance, the adjustment of planting structure, the increase of host plants, the increase of planting density and the optimization of living environment. The ecological niche in the ecosystem and the cotton Bt gene may be due to the physiological and metabolic changes, making transgenic Bt cotton insect on Lygus more attractive.