永安市蔬菜斜纹夜蛾的发生特点及防治技术

通过近2年的调查观察,斜纹夜蛾在永安市一年发生6代,4月下旬始见,8月中旬至9月下旬为害最重。发生重的原因主要有:寄主面积扩大,气候条件适宜及常年使用广谱性杀虫剂。综合防治的总体思路是加强测报,应用性诱剂、灯光诱杀、人工捕捉为辅助手段,狠抓化学防治为重点的综合防治措施。

Studies on the Occurrence and Control Techniques of Spodoptera Litura (Fabricius)

Spodoptera litura can develop 6generations one year in Yongan city, The insect pest usually occurs at the last ten-day of April and causes serious damage from the middle ten-day of August to the last the-day of September, increasing host culture area, appropriate weather condition, and brod-spectrum insecticides abuse can all contribute to the increasing threat, IPM is mainly based on the insect monitor and proper insecticides with assistant techniques such as sex pheromone, light trap and artificial elimination.