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Preemergence Velvetleaf (Abutilon theophrasti) Control in Cotton (Gossypium hirsutum)

Published online by Cambridge University Press:  12 June 2017

Charles E. Snipes
Charles E. Snipes*
Affiliation:
Miss. Agric. For. Exp. Sta., Delta Branch, P.O. Box 197, Stoneville, MS 38776
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Abstract

Experiments were conducted from 1987 through 1989 to determine the most effective and consistent control of velvetleaf in cotton with soil-applied herbicides. Norflurazon was applied at 1.1 or 1.7 kg ha-1 either preplant (PPI) or preemergence (PRE) or by splitting these rates and applying half PPI and the other half PRE. All methods of norflurazon application were compared with and without a PRE application of diuron at 1.1 kg ha-1. The most consistent control was achieved with PPI norflurazon at either 1.1 or 1.7 kg ha-1 followed by diuron. In 1988, crop injury at 2 wk varied and was 29% or greater for preemergence norflurazon tank-mixed with diuron.

Keywords

Cotton, (Gossypium hirsutum L. ‘DES 119’)velvetleaf, Abutilon theophrasti Medik. ♯ ABUTHdiuron, N′-(3,4-dichlorophenyl)-N,N-dimethylureanorflurazon, 4-chloro-5-(methylamino)-2-(3-trifluoromethyl)phenyl)-3(2H)-pyridazinoneSoil-applied herbicidescultivationnorflurazondiuronABUTH
Type
Research
Information
Weed Technology , Volume 5 , Issue 1 , March 1991 , pp. 142 - 146
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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