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Effects of Chlorimuron Applied Postemergence to Cotton (Gossypium hirsutum)

Published online by Cambridge University Press:  12 June 2017

Michael G. Patterson ,
C. Dale Monks ,
Thomas Rayburn  and
Glenn Wehtje
Michael G. Patterson
Affiliation:
Dep. Agron. Soils and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
C. Dale Monks
Affiliation:
Dep. Agron., Univ. GA.; Athens, GA 30602
Thomas Rayburn
Affiliation:
Cotton Gin Lab., Stoneville, MS 38776
Glenn Wehtje
Affiliation:
Dep. Agron. and Soils and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
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Abstract

Chlorimuron applied postemergence at 2.2, 4.4, 8.8, 18, and 35 g ai/ha to cotton at either the 4-leaf, pinhead-square, first-bloom, or full-bloom growth stage was evaluated for potential as a plant growth regulator. Chlorimuron did not reduce bolls per plant at any rate or time of application, but the proportion of open to closed bolls decreased as rate increased. Seed cotton yields decreased with increasing chlorimuron rate and cotton age. The use of chlorimuron as a plant growth regulator for cotton appears limited.

Keywords

Chlorimuron, 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acidcotton, Gossypium hirsutum L. ‘DPL 50’ ♯3 GOSHIPlant growth regulatorPGRsulfonylureaGossypium hirsutumGOSHI
Type
Research
Information
Weed Technology , Volume 4 , Issue 2 , June 1990 , pp. 314 - 317
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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