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研究安徽省棉区棉铃虫的发生动态 ,探讨它的爆发原因 ,指出沿江、淮北两棉区棉铃虫发生规律存在明显差异 ,认为食料、雨量和天敌是影响棉铃虫发生的主要因子
The occurrence and development of cotton bollworm in cotton area of Anhui Province were investigated. The reasons for the occurrence of cotton bollworm in cotton area of Anhui Province were discussed. The occurrence of cotton bollworm in Yangtze River and Huaibei cotton areas was significantly different. It was considered that the main factors affecting the occurrence of cotton bollworm were food, rainfall and natural enemies