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Effect of Herbicides on Weed Control and Growth of Pecan Trees

Published online by Cambridge University Press:  12 June 2017

Jack A. Norton  and
J. Benton Storey
Jack A. Norton
Affiliation:
Pomology, Department of Soil and Crop Sciences, Texas A&M University, College Station, Texas
J. Benton Storey
Affiliation:
Pomology, Department of Soil and Crop Sciences, Texas A&M University, College Station, Texas
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Abstract

Simazine (2-chloro-4,6-bis(ethylamino)-s-triazine), 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron), and a,a,a-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine (trifluralin) were evaluated for weed control in pecan (Carya illinoensis (Wang.) K. Koch) orchard establishment. Maximum weed control and tree growth occurred in plots treated with diuron and simazine applied at 3.0 and 4.0 lb/A, respectively. During the second year, phytotoxic symptoms were observed in plots which had received superimposed annual treatments of diuron at 3.0 lb/A, but none appeared in simazine or trifluralin plots.

Type
Research Article
Information
Weed Science , Volume 18 , Issue 4 , July 1970 , pp. 522 - 524
Copyright
Copyright © 1970 Weed Science Society of America 

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References

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