自贡市玉米病虫害发生防治现状及防治技术规范

Corn Disease Pest—Occurring and Controlling Status and Control Technical Standardization in Zigong City

玉米病虫害防治是自贡市的薄弱环节．根据自贡市近年来玉米病虫害的发生、防治情况分析认为，自贡市目前玉米病虫害防治的主要对象是：纹枯病、小地老虎、灯蛾、蚜虫、玉米螟．防治上应针对上述病虫害，采取以农业防治为基础，药剂防治作保证的防治策略，推广选用抗病虫良种，加强栽培管理，苗期治虫保苗，中期防病控害。

The control of corn disease—pests is not satisfied in Zigong city.This paper indicated that the target pests of control are Sheath Blight, Black Cutworm,Black Wooly—Bear,Aphid and Maize Pyralid.The control strategy for these pests should be that agricultural control is basis and chemical control is guarantee. The integrated control technical standardization such as the extension and selection of disease—resisting improved varieties,the enhancement of culture management,insect—controling and seedling protecting in seedling stage,disease and damage—prohibiting at middle growth stage as well as disease and insect control at late growth stage should be adopted.