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《Plant Protection》 2014-02
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Chemical control effects of 30 kinds of herbicides on Ambrosia artemisiifolia and Mikania micrantha

Guo Chenglin;Ma Yuefeng;Qin Jianlin;Ma Yonglin;Institute of Plant Protection,Guangxi Academy of Agricultural Sciences,Guangxi Key Laboratory for Biology of Crop Diseases and Insect Pests;  
In order to screen new effective herbicides against the ragweed Ambrosia artemisiifolia and South American climber Mikania micrantha,the chemical control effects of 30 kinds of herbicides were tested during the seedling stage of ragweed and South American climber by foliar spraying method.The results showed that 11 kinds of herbicides,namely bromoxynil octanoate(375 g/hm2),dicamba(216 g/hm2),paraquat(600 g/hm2),glufosinate-ammonium(540 g/hm2),glyphosate-isopropylammonium(922.5 g/hm2),fluoroglycofen-ethyl(90 g/hm2), acifluorfen-sodium(540 g/hm2),fomesafen(427 g/hm2),atrazine(1 140 g/hm2),ametryn(3 000 g/hm2)and bentazone(1 440 g/hm2)had significant control effects against ragweed,of which the fresh weight control effects were 100% after 30 d.Bromoxynil octanoate(375 g/hm2),dicamba(216 g/hm2),2,4-D sodium(125 g/ hm2),fluroxypyr(180 g/hm2),fluroxypyr-meptyl(150 g/hm2),glufosinate-ammonium(540 g/hm2),glyphosate-isopropylammonium(922.5 g/hm2),bentazone(1 440 g/hm2)and paraquat(600 g/hm2)were effective against South American climber with a fresh weight control effect of more than98%.The results can provide guidance on the chemical control of the ragweed and South American climber.
【Fund】: 国际科技合作项目(2011DFB30040);; 广西自然科学基金项目(2013GXNSFAA019061);; 广西科学基金项目(桂科自0832012Z);; 广西农科院基金项目(桂农科2013YM21);; 广西作物病虫害生物学重点实验室基金(13-051-47-ST-9)
【CateGory Index】: S451.2
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