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Preplanting Applications of Diuron With and Without Trifluralin in Cotton

Published online by Cambridge University Press:  12 June 2017

K. C. Hamilton  and
H. F. Arle
K. C. Hamilton
Affiliation:
Arizona Agr. Exp. Sta., Tucson, AZ 85721
H. F. Arle
Affiliation:
Arizona Agr. Exp. Sta., Tucson, AZ 85721
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Abstract

Preplanting applications of diuron [3-(3,4-dichlorophenyl)-1,1-dimethylurea] with and without trifluralin (a,a,a-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine) were made for 5 years in irrigated cotton (Gossypium hirsutum L.). All treatments containing trifluralin temporarily stunted cotton. In two of the 5 years, trifluralin reduced diuron injury to cotton seedlings which resulted in better crop stands. The trifluralin-diuron combinations resulted in better weed control at harvest than either herbicide alone. The 5-year average yield of cotton was greater with trifluralin-diuron combinations than with the same rates of diuron alone.

Type
Hamilton and Arle: Diuron and Trifluralin in Cotton
Information
Weed Science , Volume 23 , Issue 1 , January 1975 , pp. 75 - 77
Copyright
Copyright © 1975 by the Weed Science Society of America 

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References

Literature Cited

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