玉米小麦轮作区域玉米发生的主要病虫害及综合防治

Prevention and Control of the Main Diseases and Pestson Maize Plantsin the Corn-Wheat Rotation Areas in China

玉米是我国的主要粮食作物之一,近年来,玉米病虫害发生面积和频次不断增加,严重影响玉米产量和品质,每年由病虫害引起的损失为6%~10%.玉米病虫害的发生具有暴发性强和难防难治的特点.本文对玉米小麦轮作区主要玉米病虫害暴发时间、症状表现、为害部位及防治方法进行介绍,以期为玉米病虫害防治提供参考,为粮食供应提供有力保障.

Maize is one of the main foodcrops in China.In recent years,maize pests and diseases have been severe,affecting quality and yield of this crop and resulting in an economic loss of 6%~10% each year.Maize diseases and insect pestsare characterized by epidemic occurrence and are hard to prevent and control,and therefore their timely management is essential.This paper gives a general review of the occurrence time,symptom manifestation,harm position and control strategy of maize diseases and insect pestsin the corn-wheat rotation areas in China,so as to provide references for their control and help to protect the food supply and food security of China.