玉米田杂草的化学防除

Weed Chemical Control in Corn Field

玉米是世界上最重要的粮食作物之一,中国是世界第二大玉米生产国。生育早期的玉米对杂草竞争很敏感,最近在玉米田主要应用苗前及苗后除草剂防除杂草。在近代商业化种植中,很少采用栽培措施与机械除草。论述了世界玉米田主要杂草及其化学防除概况,并介绍了玉米田应用的若干除草剂新品种。

Corn is one of the most important food crops grown in the world.China is the second largest country for corn planting.Corn is very susceptible to competition from weeds in the early stages of growth.Resently control of weeds is mostly achieved by use of herbicides applied either pre-emergence or post-emergence,and very little cultural or mechanical control is applied in modern commercial crops system.This paper summarized the occurance of weeds in the corn field,chemical weed control and some new herbicides which applied in corn field.