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当前位置: 首页 > 文章 > 氟氯吡啶酯与双氟磺草胺复配的田间除草效果及其对作物安全性评价 植物保护学报 2016,43 (3) 514-522
Position: Home > Articles > Weed control effect and safety to crops of a mixed formulation( halauxifen-methyl 10% + florasulam 10%) Journal of Plant Protection 2016,43 (3) 514-522

氟氯吡啶酯与双氟磺草胺复配的田间除草效果及其对作物安全性评价

作  者：
李美;高兴祥;房锋;李健;吴加军;李茂昇
单  位：
山东省农业科学院植物保护研究所;陶氏益农农业科技(中国)有限公司
关键词：
氟氯吡啶酯;双氟磺草胺;除草效果;作物;安全性
摘  要：
氟氯吡啶酯属于人工合成激素类除草剂全新类别,是芳香基吡啶甲酸类家族的第1位成员,为明确其作用特点、除草活性、与双氟磺草胺复配后的除草效果以及对小麦和后茬作物的安全性,连续2年分别于小麦越冬前和返青初期施药,在冬小麦田进行了田间试验。结果表明,7.5 g/L氟氯吡啶酯EC在7.5 g/hm2用量下,对猪殃殃、播娘蒿防效较好,2次施药末次调查对猪殃殃防效为96.5%和100%,对播娘蒿防效为94.1%和81.1%;对麦瓶草防效较差,末次调查为57.1%和27.9%,对麦家公无效。复配制剂20%氟氯吡啶酯·双氟磺草胺WG在15、20、30 g/hm2用量下,对猪殃殃、播娘蒿、麦瓶草防效均较好,株防效为90.5%~100%,对麦家公防效略差,越冬前施药株防效为78.8%~98.6%,返青初期施药株防效为20.9%~82.5%;末次调查时杂草总鲜重防效为90.1%~98.2%,2次施药结果差异不显著。小麦田喷施该复配制剂15~45 g/hm2剂量,对小麦安全,未见任何药害症状;且对后茬作物玉米、大豆、花生、棉花、谷子均安全。
译  名：
Weed control effect and safety to crops of a mixed formulation( halauxifen-methyl 10% + florasulam 10%)
作  者：
Li Mei;Gao Xingxiang;Fang Feng;Li Jian;Wu Jiajun;Lee Maosheng;Shandong Key Laboratory of Plant Virology,Institute of Plant Protection,Shandong Academy of Agricultural Sciences;Dow Agro Sciences (China) Co.,Ltd.;
关键词：
halauxifen-methyl;;florasulam;;weed control effect;;crop;;safety
摘  要：
Halauxifen methyl( 4-amino-3-chloro-6-( 4-chloro-2-fluoro-3-methoxy-phenyl)-pyridine-2-carboxylic acid methyl ester) is a novel arylpicolinate herbicide with an auxinic mode of action. Field trials were conducted to determine its weed control effect,safety of halauxifen-methyl and halauxifenmethyl + florasulam to winter wheat and the following rotational crops in two growth seasons in Jinan,Shandong Province. The results showed that halauxifen-methyl 7. 5 g / L EC alone achieved a high control effect of 96. 5%- 100% and 81. 1%- 94. 1% to Galium aparine and Descurainia sophia,at the dosage of 7. 5 g / hm2 when applied during spring or autumn in winter wheat,but failed to control Lithospermum arvense,and Silene conoidea. The formulation halauxifen-methyl 10% + florasulam 10% WG could well control G. aparine,D. sophia and S. conoidea,with a control effect of 90. 5%- 100% at the rates of15,20 and 30 g / hm2 when applied during spring or autumn in winter wheat. It only achieved moderate control of Lithospermum arvense with a plant effect of 78. 8%- 98. 6% and 20. 9%- 82. 5% when applied during autumn and spring,respectively. The total fresh weight control effect was 90. 1%-98. 2% in the two growth seasons,and there was no remarkable difference. No injuries to wheat and the rotational crops,including maize,soybean,peanut,cotton and millet,were observed after halauxifenmethyl 10% + florasulam 10% WG was applied at the rates of 15- 45 g / hm2.

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