河南省农牧厅秋冬季棉铃虫的防治策略与技术措施

• 作 者: 赵留记 郭艳春
• 出 处: 河南科技
• 发表日期: 1994年12期
• 关键词: 残虫量 技术措施 大发生 寄主作物 生活周期 植保站 秋耕冬灌 越冬基数 越冬蛹 越冬死亡率

河南省农牧厅秋冬季棉铃虫的防治策略与技术措施赵留记，郭艳春省植保站今年，我省棉铃虫仍是一个大发生年。虽经防治，控制了危害，但是棉田和寄主作物上四代棉铃虫的残虫量仍然很大，再加上五代棉铃虫完全代的出现，给明年的棉花生产带来了严重威胁。为了积极采取有效措...

Control Strategy and Technical Measures for Helicoverpa armigera in Henan Provincial Farm Animal Husbandry Office in Autumn and Winter Zhao Zhaoji, Guo Yanchun Provincial Plant Protection Station This year, the cotton bollworm in our province is still a year of great occurrence. Although controlled and controlled, but the fourth generation of cotton bollworm on cotton and host crops is still a large amount of residual insects, coupled with the fifth generation of cotton bollworm generation completely appeared to next year’s cotton production posed a serious threat. In order to actively take effective measures ...