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Response of Sweet Corn (Zea mays) Cultivars to Nicosulfuron plus Rimsulfuron

Published online by Cambridge University Press:  12 June 2017

John O'Sullivan ,
Ronald A. Brammall  and
William J. Bouw
John O'Sullivan
Affiliation:
Hortic. Exp. Stn., Simcoe, ON, Canada N3Y 4N5
Ronald A. Brammall
Affiliation:
Hortic. Exp. Stn., Simcoe, ON, Canada N3Y 4N5
William J. Bouw
Affiliation:
Hortic. Exp. Stn., Simcoe, ON, Canada N3Y 4N5
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Abstract

Sixteen sweet corn cultivars, representing a range of endosperm genotypes, were evaluated to determine cultivar tolerance to nicosulfuron plus rimsulfuron in greenhouse and field studies conducted over a two-year period. Response to nicosulfuron plus rimsulfuron varied widely, depending on cultivar and application rate. In the field, four cultivars were tolerant to applications of nicosulfuron plus rimsulfuron at rates of 50 g/ha. In the greenhouse, eight cultivars were tolerant to nicosulfuron plus rimsulfuron at 25 g/ha. ‘Merit’ and ‘Silver Extra Sweet’ were most sensitive, with applications of nicosulfuron plus rimsulfuron resulting in death of all plants. ‘Miracle,’ ‘Extra Early Super Sweet,’ ‘Bunker Hill,’ and ‘Sweet Belle’ were tolerant.

Keywords

Nicosulfuron, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl] amino]sulfonyl]-N,N-dimethyl-3-pyridinecarboxamiderimsulfuron, N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(ethylsulfonyl)-2-pyridinesulfonamidesweet corn, Zea mays L.Cultivarsherbicide injurypostemergencesulfonylurea
Type
Research
Information
Weed Technology , Volume 9 , Issue 1 , March 1995 , pp. 58 - 62
Copyright
Copyright © 1995 by the Weed Science Society of America 

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References

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