论文部分内容阅读
中黑育蛤AdelphocorissaturalisJakovlev在我市70年代发生很轻，80年代以来逐年加重，占棉花栽培面积的60％～80％，严重影响棉花的高产稳产。主要为害世代为第三、四代。1985年以来我们在中黑盲螃的预测上，以上代防治后成虫羽化前的残虫发育进度、虫态历期、残虫数量和天敌数
Adelphocorissaturalis Jakovlev in China was very light in the 1970s and has been increasing year by year since the 1980s, accounting for 60% -80% of the cotton cultivation area, seriously affecting the high and stable yield of cotton. The main harm generation for the third and fourth generation. Since 1985, we forecast the occurrence of black-blind crabs in mid-generation, the progress of insect development, the number of insect states and the number of natural enemies