Journal of Pesticide Science
Online ISSN : 1349-0923
Print ISSN : 1348-589X
ISSN-L : 0385-1559
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2,4-D antagonizes glyphosate in glyphosate-resistant barnyard grass Echinochloa colona
Jingbo LiHeping HanLianyang BaiQin Yu
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2020 Volume 45 Issue 2 Pages 109-113

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Abstract

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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© Pesticide Science Society of Japan 2020. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) License (https://creativecommons.org/licenses/by-nc-nd/4.0/)

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
http://creativecommons.org/licenses/by-nc-nd/4.0/
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