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2,4-D antagonizes glyphosate in glyphosate-resistant barnyard grass Echinochloa colona

文献类型: 外文期刊

作者: Li, Jingbo 1 ; Han, Heping 2 ; Bai, Lianyang 3 ; Yu, Qin 2 ;

作者机构: 1.Hunan Univ Humanities Sci & Technol, Collaborat Innovat Ctr Field Weed Control, Loudi, Peoples R China

2.Univ Western Australia, Sch Agr & Environm, Australian Herbicide Resistance Initiat AHRI, Perth, WA, Australia

3.Hunan Acad Agr Sci, Changsha, Peoples R China

关键词: antagonism; glyphosate resistance; tank mixing; uptake and translocation

期刊名称:JOURNAL OF PESTICIDE SCIENCE ( 影响因子:1.101; 五年影响因子:1.182 )

ISSN: 1348-589X

年卷期: 2020 年 45 卷 1-2 期

页码:

收录情况: SCI

摘要: Glyphosate is often tank-mixed with auxinic herbicide 2,4-D for grass and broadleaf weed control. Here we examined the possible interaction of 2,4-D and glyphosate in barnyard grass, Echinochloa colona (L.) Link. The results showed that 2,4-D antagonizes glyphosate remarkably in glyphosate-resistant populations but only marginally in susceptible populations. This antagonism is related to reduced glyphosate uptake and (to a lesser extent) translocation. As 2,4-D has multiple, unpredictable effects on other herbicides, care must be taken when tank-mixing herbicides with 2,4-D.

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