棉花害虫种类繁多,为害时间较长,影响各种虫的虫口消长的因素比较复杂,所以,长期以来,棉花害虫防治以化学防治为主.这对于减少虫害损失,保证棉花优质、高产起了相当大的作用.但实践证明,由于长期、大量地使用化学农药,害虫产生抗药性,环境遭到污染,农本不断提高,并大量杀伤了害虫的天敌,使害虫不同程度地失去自然控制,从而导致一些害虫易于大量发生.因此,寻找一套经济、有效而又能减少环境污染的棉花害虫的综合防治办法,是广大贫下中农的迫切要求.在毛主席革命路线指引下,在学习无产 Therefore, cotton pest control has long been dominated by chemical control, which is quite effective in reducing pest losses and ensuring high quality and high yield of cotton. However, practice has proved that due to the long-term and extensive use of chemical pesticides, pests produce resistance, the environment is polluted, and agriculture continues to increase, killing a large number of pests natural enemies, so that pests to varying degrees, the loss of natural control and thus Resulting in a large number of pests prone to occur.Therefore, looking for a set of economic, effective and can reduce the environmental pollution of cotton pests comprehensive prevention and control measures is the urgent need of the majority of poor and middle peasants.In the revolutionary principle of Chairman Mao,