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Response of Cotton to Combinations of Herbicides and Disulfoton

Published online by Cambridge University Press:  12 June 2017

H. W. Ivy
H. W. Ivy*
Affiliation:
Delta Branch, Mississippi Agr. and Forestry Exp. Sta., Stoneville, Mississippi
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Abstract

A 3-year field experiment was initiated in 1967 to study the effects of herbicides in combination with the systemic insecticide, O,O-diethyl S-2-[(ethylthio)ethyl] phosphorodithioate (disulfoton) on cotton (Gossypium hirsutum L.). Herbicide treatments of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron), 1,1-dimethyl-3-(α,α,α,-trifluoro-m-tolyl)urea (fluometuron), 3-(hexahydro-4,7-methanoindan-5-yl)-1,1-dimethylurea (norea), 4-(methylsulfonyl)-2,6-dinitro-N,N-dipropylaniline (nitralin), and α,α,α,-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine (trifluralin) did not significantly affect yield of weed-free cotton while disulfoton treatment significantly increased yield over the 3-year period. Yield with disulfoton was negatively correlated with number of thrips (Thripidae sp.). No interaction occurred between herbicides and disulfoton on yield, and only in 1 year was there an effect on stand.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 4 , July 1971 , pp. 338 - 340
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

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