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Tolerance of Chinese Milkvetch (Astragalus sinicus) to Herbicides

Published online by Cambridge University Press:  12 June 2017

Zhongling Cai ,
Stanton E. Brauen ,
David R. Gealy ,
William J. Johnston  and
Thomas A. Lumpkin
Zhongling Cai
Affiliation:
Dep. Crop Soil Sci., Wash. State Univ., Pullman, WA 99164
Stanton E. Brauen
Affiliation:
Dep. Crop Soil Sci., Wash. State Univ., Pullman, WA 99164
David R. Gealy
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., 215 Johnson Hall, Wash. State Univ., Pullman, WA 99164
William J. Johnston
Affiliation:
Dep. Crop Soil Sci., Wash. State Univ., Pullman, WA 99164
Thomas A. Lumpkin
Affiliation:
Dep. Crop Soil Sci., Wash. State Univ., Pullman, WA 99164
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Abstract

Chinese milkvetch is the most important green manure crop in the rice producing regions of China. The tolerance of Chinese milkvetch to 29 herbicides approved for other legume crops was determined in the greenhouse. Chinese milkvetch was tolerant to bentazon, diclofop-methyl, and EPTC at 2.0, 1.6, and 6.0 kg ai ha–1, respectively. Barban, bromoxynil, 2,4-DB, dinoseb, fluazifop, quizalofop, sethoxydim, and triallate at 0.5, 0.6, 1.0, 1.5, 0.3, 0.3, 0.5, and 1.0 kg ai ha–1, respectively, slightly injured Chinese milkvetch but did not substantially reduce biomass. Trifluralin, propham, DCPA, acifluorfen, and MCPA were moderately phytotoxic to Chinese milkvetch at 0.5, 3.0, 5.0, 0.5, and 0.5 kg ai ha–1, respectively.

Keywords

acifluorfen, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acidbarban, 4-chloro-2-butynyl 3-chlorophenylcarbamatebromoxynil, 3,5-dibromo-4-hydroxybenzonitrileDCPA, dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylatediclofop, (±)-2-[4-(2,4-dichlorophenoxy)phenoxy]propanoic aciddinoseb, 2-(1-methylpropyl)-4,6-dinitrophenolEPTC, S-ethyl dipropyl carbamothioateMCPA, (4-chloro-2-methylphenoxy)acetic acidpropham, 1-methylethyl phenylcarbamatequizalofop, (±)-2-[4-[(6-chloro-2-quinoxalinyl)oxy]-phenoxy]propanoic acid2,4-DB, 4-(2,4-dichlorophenoxy)butanoic acidChinese milkvetch, Astragalus sinicus L.Herbicidal selectivityweed controlnew crop
Type
Research
Information
Weed Technology , Volume 6 , Issue 1 , March 1992 , pp. 104 - 107
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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