九寨沟县玉米粘虫的发生及测报

Occurrence and Prediction of Corn Armyworm in Jiuzhaigou District

通过对九寨沟县1985～2003年连续19年玉米粘虫发生及测报结果的分析,总结出该县玉米粘虫发生规律及影响玉米粘虫发生的主要因素,摸索出一套粘虫发生程度的预测指标,并用于生产,在玉米粘虫大发生年,能提前做好技术上和物资上的准备。

Based on analysis of the occurrence and prediction resorts of corn armyworm in Jiuzhaigou district from 1985 to 2003, we have got the occurrence pattern of corn armyworm in this district. Meanwhile, we analyzed the major factors that influence the occurrence of corn armyworm, and got predictable indexes of its seriousness, so that preparations could be made in terms of technology and material before severe occurrence of armyworm.