地膜玉米田化学除草技术探讨  

On Chemical Weeding in Protective Maize Field Shen Guangbin Wang Bo Liu Zheng Baobong

作　　者：沈光斌[1] 王波[1] 刘正[1] 黄保宏[1] 

机构地区：[1]安徽农业技术师范学院农学系,凤阳233100

出　　处：《安徽农业技术师范学院学报》1998年第1期15-18,共4页

摘　　要：50％都阿悬浮剂2.25L／hm2对地膜玉米田杂草防效最好，不但能防除禾本科和莎草科杂草，而且能防除阔叶杂草，对玉米安全；而72％都尔乳油对禾本科和莎草科杂草防效较好；40％阿特拉津胶悬剂和43％甲草胺乳油对禾本科和阔叶杂草防效较好。这四种除草剂对杂草的株防效和鲜重防效均达90％以上。而2．4-D丁酯乳油能较好地防除阔叶杂草。The results shown that 50% metolachtor-atrazbe SC2-25L/hm2 bad best effedect of conndng weeds in protection corn field to digitaria, cyperus and weeds with all leaves,and with safe to corn. metclacher EC 70%2. 25L/hm2 could effectively controll diitaria and cypews; atraine TS 40% 2. 25L/hm2 and 43% alatber EC 3. 75L/hm2 could effectively control digitaria and weeds with leaves. The contro effeCt of four herbicides showed over 90%in plant and in fresh wight. 73% 2. 4-D butglate EC73% 3. 75t/hm2 could effectively controll weeds with wide leaves.

关 键 词：玉米田 杂草 除草剂 防效 

分 类 号：S451.222[农业科学—植物保护]