论文部分内容阅读
一、注意综合防治。就是把农业防治、人工防治、生物防治、物理防治、化学防治等多种防治方法有机地结合起来,进行综合性的系统防治。 1、农业防治:①棉田种植少量玉米,引诱棉铃虫集中产卵,集中消灭。②在棉铃虫卵孵化盛期,整枝打杈,带出田外销毁。③棉叶分泌的草酸对棉铃虫蛾
First, pay attention to comprehensive prevention and control. That is to combine agricultural prevention and control, artificial prevention and control, biological prevention and control, physical prevention and control, and chemical prevention and control with a variety of prevention and control methods to carry out comprehensive system prevention and control. 1, agricultural control: ① cotton planting a small amount of corn, cotton bollworm lure concentrated to concentrate, eliminate. ② Helicoverpa armigera eggs hatch, pruning twigs, out of the field destroyed. ③ cotton leaf oxalic acid secretion of cotton bollworm moths