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Time and Rate of Nicosulfuron Application in Peanut (Arachis hypogaea)

Published online by Cambridge University Press:  12 June 2017

Terry A. Littlefield ,
Daniel L. Colvin ,
Barry J. Brecke  and
Lambert B. McCarty
Terry A. Littlefield
Affiliation:
Dep. Agron., Univ. Florida, Gainesville, FL 32611
Daniel L. Colvin
Affiliation:
Dep. Agron., Univ. Florida, Gainesville, FL 32611
Barry J. Brecke
Affiliation:
Ag. Res. Ed. Cent., Jay, FL 32565
Lambert B. McCarty
Affiliation:
Dep. Envir. Hortic., Univ. Florida, Gainesville, FL 32611
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Abstract

In field experiments conducted near Marianna, Trenton, and Archer, FL in 1990 and 1991, nicosulfuron applied 55 weeks after planting (WAP) at 18, 27, 36, or 54 g ai/ha injured peanut initially. When applied 7 WAP, only the two higher nicosulfuron rates injured peanut more than 10%. By 6 wk after application, crop injury was less than 8% for all treatments, except the highest (54 g/ha) rate. Nicosulfuron applied 5 or 7 WAP at 54 g/ha reduced peanut yield and sound mature kernels.

Keywords

Nicosulfuron, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N-dimethyl-3-pyridinecarboxamidepeanut, Arachis hypogaea L. ‘Sunrunner.’Crop injurysulfonylurea

Information

Type
Research
Information
Weed Technology , Volume 9 , Issue 1 , March 1995 , pp. 34 - 36
Copyright
Copyright © 1995 by the Weed Science Society of America 

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