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Cotton (Gossypium hirsutum) Development and Yield Following Fluometuron Postemergence Applied

Published online by Cambridge University Press:  12 June 2017

David S. Guthrie  and
Alan C. York
David S. Guthrie
Affiliation:
Crop Sci. Dep., N.C. State Univ., Raleigh, NC 27695–7620
Alan C. York
Affiliation:
Crop Sci. Dep., N.C. State Univ., Raleigh, NC 27695–7620
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Abstract

Fluometuron at 1.1 kg ai/ha was applied postemergence (over-the-top) to cotton in the V3 to V4 stage to determine effects on flower and boll production, yield, and fiber quality. Treated plants produced more bolls but boll weight was reduced. Lint yield was not affected. Flower and boll production during the first 2 weeks of flowering were reduced, but treated plants produced more flowers and bolls during mid- and late bloom. A delay in sympodia development delayed development of fruiting structures. Fluometuron treatment promoted sympodia development on monopodia at nodes three and four. Fiber micronaire was reduced in 1 of 2 yr. Fiber strength, length, and length uniformity were not affected.

Keywords

Fluometuron, N,N-dimethyl-N′-[3-(trifluoromethyl)phenyl]ureacotton, Gossypium hirsutum L. ‘McNair 235’Cotton flower productioncotton boll productioncotton fiber quality
Type
Research
Information
Weed Technology , Volume 3 , Issue 3 , September 1989 , pp. 501 - 504
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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