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Protecting Cotton (Gossypium hirsutum) from Fluometuron Injury with Seed Protectants

Published online by Cambridge University Press:  12 June 2017

Billy R. Corbin Jr.
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Robert E. Frans
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701

Abstract

Field experiments were conducted in 1986 and 1987 to evaluate the potential of growth regulators mepiquat chloride and chlormequat chloride as seed treatments to protect cotton from fluometuron injury. Fluometuron at two and three times the recommended use rate reduced cotton stand and height on Taloka and Convent silt loam soils both years. Cotton grown on a Sharkey silty clay soil was not injured by fluometuron. Mepiquat chloride and chlormequat chloride increased cotton stands on a Taloka silt loam soil when averaged over rates and years. In general, fluometuron injury to cotton was not reduced by treating seed with 1000 ppmw concentrations of chlormequat chloride or mepiquat chloride. Chlormequat chloride reduced chlorosis and necrosis of cotton treated with fluometuron, but neither growth regulator eliminated cotton injury or yield reduction caused by fluometuron at two or three times the recommended rates.

Type
Weed Control and Herbicide Technology
Copyright
Copyright © 1991 by the Weed Science Society of America 

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