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15种除草剂防除打碗花、葎草效果评价 被引量:9

Evaluating on 15 Herbicides Efficacy against Calystegin hederacea and Humulus scandens
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摘要 在春季采用茎叶处理的施药方式,对比分析了15种防除阔叶杂草的除草剂田间使用防除打碗花、葎草幼苗的效果。药后30d调查结果表明:不同除草剂对打碗花、葎草防效差异很大。15种除草剂中,防除打碗花效果较好的有20%氯氟吡氧乙酸EC、10%嘧草硫醚AS、72%2,4-滴丁酯EC、56%2甲4氯SP、88%2,4-滴异辛酯EC,试验剂量下对打碗花鲜重防效在85%以上。防除葎草效果较好的有40%嗪草酮WP、75%苯磺隆WG、88%2,4-滴异辛酯EC、72%2,4-滴丁酯EC、10%嘧草硫醚AS、10%苄嘧磺隆WP,试验剂量下对葎草鲜重防效在85%以上。80%溴苯腈SP、25%辛酰溴苯腈EC、5%嗪草酸甲酯EC、40%唑酮草酯WG对二者有触杀性防效,但最终防效较低或无防效。 15 herbicides were applied postemergence to evaluate herbicide efficacy against calystegin hederacea and humulus scandens in fields. It was shown that fluroxypyr 20% EC, pyrithiobac-sodium 10% AS, 2,4-D butylate 72% EC, mcPA 56% sP, 2,4-D isooctyl ester 88% ec gave very good to excellent (〉85%) control of calystegin hederacea, while metribuzin 40% WP, tribenuron 75% Wg, 2,4-D isooctyl ester 88% ec, 2,4-D butylate 72% ec, pyrithiobacsodium 10% As, bensulfuron 10% WP provided good to excellent (〉85%), control of Humulus scandens. Phytotoxicity was observed after treatment by carfentrazone-ethyl 40% WG, fluthiacet-methyl 5% EC, bromoxynil octanoate 25% EC, bromoxynil 80% SP at all concentrations tested, but effects were low or non-existent after treatment.
出处 《农药》 CAS 北大核心 2009年第9期686-688,共3页 Agrochemicals
基金 国家"十一五"科技支撑重大项目(2006BAD08A09) 山东省资源节约型社会科技支撑体系建设专项计划项目(2007GGC02002)
关键词 除草剂 打碗花 葎草 防效 herbicides calystegin hederacea Wall. humulus scandens (lour.) merr. control effect
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