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Sweet Corn (Zea mays) Hybrid Tolerance to Nicosulfuron

Published online by Cambridge University Press:  12 June 2017

Cathy A. Morton  and
R. Gordon Harvey
Cathy A. Morton
Affiliation:
Dep. Agron., Univ. Wis., Madison, WI 53706
R. Gordon Harvey
Affiliation:
Dep. Agron., Univ. Wis., Madison, WI 53706
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Abstract

Tolerance of eight processing sweet corn hybrids to nicosulfuron was evaluated in field studies conducted at Arlington, Wis. in 1988 and 1989. Magnitude of sweet corn vigor reduction varied between years. Greater vigor reduction occurred to ‘Jubilee’ sweet corn than to the other seven hybrids. Injury to the hybrids increased as nicosulfuron rate increased. In 1988, some of the hybrids were stunted slightly by all of the herbicide rates, but within a hybrid there was no significant difference among herbicide rates. In 1989 none of the hybrids, including Jubilee, was stunted by even 140 g ai ha–1 nicosulfuron compared with the corresponding check. Effects of nicosulfuron on yields of the eight hybrids in 1988 and in 1989 are best described by a quadratic regression equation.

Keywords

Nicosulfuron, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N-dimethyl-3-pyridinecarboxamidesweet corn, Zea mays L.Postemergence herbicidesulfonylurea
Type
Research
Information
Weed Technology , Volume 6 , Issue 1 , March 1992 , pp. 91 - 96
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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