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当前位置: 首页 > 文章 > 氟噻草胺在大豆田的除草效果和安全性 杂草学报 2020 (3) 68-72
Position: Home > Articles > Weed Control Efficacy and Selectivity of Flufenacet in Soybean Fields Journal of Weed Science 2020 (3) 68-72

氟噻草胺在大豆田的除草效果和安全性

作  者：
李秉华;刘小民;许贤;田胜民;王贵启;聂东兴
单  位：
河北省作物栽培生理与绿色生产重点实验室/河北省农林科学院粮油作物研究所;农业农村部农药检定所
关键词：
氟噻草胺;杂草;大豆;安全性;除草效果
摘  要：
为了明确氟噻草胺在大豆田的应用效果,2016年和2017年在河北省进行田间小区试验,研究氟噻草胺的除草效果和安全性。结果表明,在大豆播后苗前使用氟噻草胺进行土壤处理,能够有效防除禾本科杂草和部分小粒种子阔叶杂草,对铁苋菜的防效较低,对杂草的鲜重防效高于株数防效。使用氟噻草胺后,大豆生长正常,产量较空白对照有显著性增加。推荐氟噻草胺在大豆田的使用剂量为630～810 g a.i./hm~2,该剂量下药后28 d对杂草的合计鲜重防效达84.9%～92.0%,且对大豆安全。氟噻草胺的杀草谱和防效与乙草胺相近,可以作为乙草胺的替换产品在大豆田使用。
译  名：
Weed Control Efficacy and Selectivity of Flufenacet in Soybean Fields
作  者：
LI Bing-hua;LIU Xiao-min;XU Xian;TIAN Sheng-min;WANG Gui-qi;NIE Dong-xin;Key Laboratory of Crop Cultivation Physiology and Green Production of Hebei Province/Institute of Food and Oil Crops,Hebei Academy of Agriculture and Forestry Science;Institute for the Control of Agrochemicals,MARA;
关键词：
flufenacet;;weed;;soybean;;safety
摘  要：
To develop application technology for flufenacet in soybean fields,field plot experiments were conducted to study its herbicidal efficacy and selectivity in Hebei Province in 2016 and 2017. Flufenacet sprayed as a soil treatment in pre-emergence effectively controlled grass weeds and some small-grained broadleaf weeds;it was less effective on Acalypha australis. The biomass control effect of flufenacet was higher than that based on plant number. Soybean grew normally at flufenacet doses of up to 1 260 g/hm~2 in the growth period,and its yield increased significantly compared with the untreated check. The recommended dosage of flufenacet in soybean fields was 630～810 g/hm~2. Efficacy based on total weed at 28 days after treatment was 85%～92% at the recommended the dose. Flufenacet was selective to soybean. The herbicidal spectrum and efficacy of flufenacet was similar to those of acetochlor,and it could be used as a replacement for acetochlor in soybean fields.

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