20%精喹禾灵乳油防除大豆田杂草的田间试验  

Field Experiments on Quizalofop- p- ethyl 20% EC for Weed Control in Soybeans

作　　者：乔利东 赵小翠 田海丰 

机构地区：[1]天津市华宇农药有限公司,天津300384

出　　处：《杂草科学》2014年第3期62-64,共3页Weed Science

摘　　要：采用田间小区试验方法进行20％精喹禾灵乳油防除大豆田一年生禾本科杂草的田间药效试验。结果表明：20％精喹禾灵乳油用药有效成分剂量应为45．0～52．5 g/hm2，该剂量下，20％精喹禾灵乳油搭配笔者单位自主研发的HY-01增效剂，能够有效防除夏大豆田的马唐、牛筋草、稗草；施药后30d，对禾本科杂草的鲜质量防效在95％以上，可见在推荐剂量下施用对大豆安全。Field experiments were conducted of determine the efficacy of quizalofop-p-ethyl 20% EC against annual grassy weeds in soybeans.The effective dose of quizalofop-p-ethyl 20%EC was 45.0~52.5g/hm2 .When applied at lower doses in combination with HY-01,a synergist developed by Huayu Agrochemical Co.,it provided very good control of Digitaria sanguinalis （ L.） Scop,Eleusine indica （ L.） Gaertn.,and Echinochloa crusgalli （ L.） Beauv in summer soy-bean fields.Thus at 30 days after application,grass control based on fresh weight was above 95%with selectivity to soy-beans.

关 键 词：精喹禾灵 增效剂 大豆田杂草 药效试验 

分 类 号：S451.224[农业科学—植物保护]