甲磺隆防除稻茬麦田杂草的研究与应用  

Study on Control Weeds in Rice Stubble Wheat Field by Metsulfuron-methyl

作　　者：李金锁 曾显光 宋万高 张苏红 周金铎 赵更云 

机构地区：[1]河南省南阳市植保植检站

出　　处：《农药》1997年第1期42-44,共3页Agrochemicals

摘　　要：本文报道了１９９０～１９９５年甲磺隆防除稻茬麦田杂草的试验研究和推广应用结果。试验表明在小麦播后苗前和三叶一心期，６６７平方米用甲磺隆２５～１０克，对多种杂草均有明显防效，其最适用量为５～７５克／６６７米２。用甲磺隆５克／６６７米２，对看麦娘、牛繁缕防效达９３１和９７６％，对婆婆纳、播娘蒿、蓼、夏至草、大巢菜等防效为７９６～９５９％。其综合防效优于口恶唑禾草灵、绿磺隆、苄嘧磺隆和绿麦隆；小麦播种至返青拔节期使用甲磺隆，药效随施药时期推迟而降低，以播后苗前至三叶一心期除草效果最好；１９９３～１９９５年累计推广应用４３６万公顷。In 1990～1995,field trials and demonstrations with metsulfuron-methyl to control weeds in rice stubble wheat field were carried out.The results of experiment showed that 10% metsulfuron-methyl WP at dosage of 2 5～10g/667m 2,optimum dosage of 5～7 5g/667m 2,at bud stage as well as 3-leaf stage of wheat had significant effect of controlling weeds.At dosage of 5g/667m 2,the control effects are 93 1% for Alopecurus aequalis, 97 6% for Stellaria media,79 6～95 9%for Veronica diclyma,Desavrainia sophia,Polytonum sp.Lagopsis supina and Vicia pseudo-orobus. The synthetical effect is superior to those of fenoxaprop,chlorsulfuron,bensulfuren-methyl and chlorotoluron.

关 键 词：甲磺隆 杂草 麦田杂草 除草剂 稻茬 

分 类 号：S451.221[农业科学—植物保护]