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75％氯吡嘧磺隆水分散粒剂对夏玉米田杂草的防除效果

Yun-tao FENG,Run-xiang ZHANG,Xia LI,Guang-yu LI,Qin YU,Yue GAO,Ren-jun FAN

Journal of Shanxi Agricultural Sciences（2015）

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Abstract
为了解75％氯吡嘧磺隆水分散粒剂对夏玉米田杂草的防除效果及对作物发育的影响,于2013-2014年连续2个生长季节,设置了45,52.5,60,105g/hm2共4个剂量水平,于7月份夏玉米出苗后进行茎叶喷雾.调查结果表明,75％氯吡嘧磺隆水分散粒剂45 ～ 105g/hm2对夏玉米田主要阔叶杂草在药后15,35 d的株防效和鲜质量防效均达95％以上,夏玉米产量比清水对照增加0.4％ ～ 3.1％,该药剂对夏玉米安全,未见药害症状.
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