玉米田化学除草试验  

Chemical Weed Control in Corn Fields

作　　者：李绍强 

机构地区：[1]河南南阳新野县植物保护植物检疫站,473500

出　　处：《长江蔬菜》2013年第4期68-69,共2页Journal of Changjiang Vegetables

摘　　要：玉米田除草目前多以芽前土壤处理为主,受各种因素影响,除草效果差,后期易形成草荒,为此引进多种化学除草剂进行玉米田除草试验。试验结果表明,4%烟嘧磺隆水剂对玉米田阔叶杂草、禾本科杂草和莎草(香附子)都有良好防效,建议今后大量推广使用。为克服乙草胺缺陷,可在玉米播后苗前用乙.莠或玉丰(异丙草.莠)替代乙草胺。Preemergence herbicides had been widely used in corn fields, but their weeding effects were poor and affected by various factors, furthermore the corn fields were overgrown with weeds at the later growth stage. So, we introduced various chemical herbicides to compare their weeding effects. The results showed that 4% nicosulfuron aqueous solution possessed better effect on controlling broad-leaf weeds, gramineous weeds and nutgrass, and it could be promoted in large scale. Meanwhile, we could replace acetochlor with acetochlor＇atrazine or propisochlor, atrazine after sowing but before seedling emergence.

关 键 词：玉米田 化学除草 

分 类 号：S451.222[农业科学—植物保护]