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75%氟磺唑草胺WG对田旋花的防除效果

Effect of Sulfentrazone 75% WG on Control of Bindweed(Convolvulus arvensis L.) in Soybean Field

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【Author】 WANG Yi-sheng1,LI De-chun2,GUO Dong-mei3,ZHAO Yan-qin4,WANG Kai-xu5, WANG Guang-xiang1(1.Jilin Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management on Crops in Northeast, Ministry of Agriculture,Changchun 130033,China;2.Jilin Yiheng Pesticide Corporation of Limited Liability,Gongzhuling 136100 China;3.Master Station of Agricultural Technology Extension of Jilin Province,Changchun 130021,China; 4.Master Station of Agricultural Technology Extension of Yidan Town of Yitong County in Jilin Province,Yitong 130700,China; 5.Agricultural Technology Extension Station of Liufangzi Town of Gongzhuling City in Jilin Province,Gongzhuling 136100,China)

【机构】吉林省农业科学院/农业部东北作物有害生物综合治理重点实验室；吉林省益恒农药有限公司；吉林省农业技术推广总站；吉林省伊通县伊丹镇农业技术推广站；吉林省公主岭市刘房子镇农业技术推广站；

【摘要】为验证75%氟磺唑草胺WG对多年生杂草田旋花的防除效果和持效期,采用大豆播种后苗前土壤喷雾,定期调查的方法进行田间药效试验。结果表明,75%氟磺唑草胺320～440 g a.i./hm2,兑水750 L/hm2喷雾,药后40 d对田旋花的株防效为68.4%～98.3%,第二年对田旋花株防效依然能达到45.3%～90.1%。更多还原

【Abstract】 In order to test the control efficiency and effective period of sulfentrazone 75%WG on the perennial weed bindweed(Convolvulus arvensis L.),field trial was conducted by soil spraying with the herbicide after soybean seeds sowing but before seedling emergence,and by regular investigation.The results showed that when sulfentrazone 75%WG was applied at the dose of 320~440 g a.i/hm2,adding 750 L/hm2 of water to spray,the individual plant control efficiency of bindweed was 68.4%~98.3% after spray herbicide for 40 days,and was still reach to 45.3%~90.1% in the second year.更多还原

【关键词】氟磺唑草胺；田旋花；
【Key words】 sulfentrazone； Convolvulus arvensis L.；

【文献出处】杂草科学 ,Weed Science , 编辑部邮箱 ,2012年04期

【分类号】S451
【被引频次】3
【下载频次】85

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