Effect of temperature on development, survival, reproduction, population parameter and population trend index of Spodoptera litura (Fabricius) were studied.
研究了温度对斜纹夜蛾的发育、存活、生殖、种群参数和种群趋势指数的影响。
The index of population trend in treatment of spraying chemical insecticides was 7.20, The index of population trend would increase in 1.43 times against that in control.
施用化学杀虫剂的种群趋势指数（）为7.20，干扰作用控制指数为1.43，即种群趋势指数将增长为对照的1.43倍。
An approximate variance estimator for index of population trend developed with delta-method and its application;
应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜种群控制的作用。
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