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棉铃虫(Heliothis armigera Hiibner)是江西棉区近年来棉花生产上最危险的害虫之一,1971—1973年我省连续三年大面积暴发,来势猛,密度大,危害重,时间长,尤以1971年受害最烈,伏桃被害率达20%左右,秋桃被害率高达60%,个别棉地的蕾、花、幼铃几乎全被吃光,造成严重减产。此后连年严重,密度大,面积广,已成为我省重要测报对象和防治对象。由于棉铃虫与烟青虫(Heliothis assulta Gucnee)
The cotton bollworm (Heliothis armigera Hiibner) is one of the most dangerous pests in cotton production in recent years in Jiangxi cotton area. In 1971-1973, the outbreak of large-scale outbreak in three consecutive years in our province was extremely fierce, with heavy density, heavy weight and long time, especially In 1971, the victims were the hardest. The rate of victims was about 20% and that of autumn peaches was as high as 60%. Almost all the buds, flowers and young bellies of individual cotton fields were eaten, resulting in serious production cuts. After successive years of serious, large density, a wide area, has become an important object of the newspaper and prevention targets. As Helicoverpa armigera and Heliothis assulta Gucnee