摘要
研究了棉花品种和化学农药对棉铃虫及其主要天敌数量的影响,调查了3个棉花品种的抗虫能力和产出效益,为科学利用和保护天敌、综合防治棉花害虫提供科学依据。
The author studied the effect of cotton variety and chemical pesticides on bollworm and its main natural enemies,and investigated the bollworm-resistance and production benefit of 3 varieties, thus provided scientific evideme for utilization and protection of natural enemies and integrated cotton insects control.
出处
《河北农业科学》
2001年第1期45-48,共4页
Journal of Hebei Agricultural Sciences