山东农业科学2018,50(4):108~11lShandong Agricultural SciencesDOI:10.14083/j.issn.100l一4942.2018.04.024不同除草剂对高梁地杂草防除效果研究刘宾,王海莲,管延安,杨延兵,秦岭,陈二影,王润丰,张华文(山东省农业科学院作物研究所,山东济南250100)摘要:本试验研究9种化学除草剂对‘济粱1号’播后苗前和苗后田间杂草防效、产量等性状的影响,筛选出既能有效防除杂草又能保证‘济粱1号’正常生长的除草剂。即:苗前单一除草剂50%异甲·莠去津悬乳剂200 mL(666.7m2用量,下同)和33%二甲戊灵150 mL封闭喷雾,苗后5—6叶期喷施单一除草剂75%氯吡嘧磺隆8 g和复配除草剂(56%二甲四氯27 mL+50%二氯喹啉酸10 g+38%莠去津79 mL+75%氯吡嘧磺隆2 g)均可用于高梁杂交种‘济粱1号’的杂草防治。关键词:高粱;除草剂;杂草防效;产量中图分类号:S482.4 文献标识号:A 文章编号:1001—4942(2018)04—0108—04Control E肌cts of Di舭rent Herbicides on Wbeds in Sorgh哪FieldsLiu Bin,Wang Hailian,Guan Yan’an,Yang Yanbing,Qin Ling,Chen Erying,Wang Runfeng,Zhang Huawen(Cn0P胍enrc^加mu￡e,鼢口,渤愕Acn如my旷Ag廊Hftumf Sciewes,^mn 250100,铂iM)Abstract In order to screen out the herbicides which had emcient weed control ef【Iects and could ensuI℃the no瑚al gm卅h of Jiliang 1,the weed control eH'ect and yield under 9 kinds of herbicide treatments were re—searched in the experiment before and after emergence.The results showed that before emergence,the 200 mLof 50%ISO—pmpylene compound atrazine and 150 mL of 33%pendimethalin per 666.7m2 could be sin91eused for closed spmy,which were safe for the weed control of sorghum hybrid Jiliang 1.At the 5—6 leaf stageafter emergence,8 g 0f 75%halosulfuron—methyl and compound herbicide(27 mL of 56%MCPA+10 g of50%quinclorac+79 mLof 38%atrazine+2 g of 75%halosulfuron—methyl)per 666.7m2 could beused forthe weed contml of Jiliang 1.Keywords Sorghum;Herbicide;Weed contml efkct;Yield