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二代棉铃虫发生量预报技术研究靳桂芝，张会孔，杨振霞，孔凡凤（山东省曲阜市植保站２７３１００）棉铃虫Ｈｅｌｉｏｔｈｉｓａｒｍｉｇｅｒａ（Ｈｕｂｎｅｒ）是为害棉花的主要害虫，进入９０年代以来呈加重趋势，严重地影响了棉花的产量和质量，为及时准确预报其发生量...
Heliothis armigera (Hubner), a major pest infesting cotton, showed an increasing trend since the 1990s. Severe Affect the yield and quality of cotton, in order to accurately predict the amount of timely and ...