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Tolerance of Corn (Zea mays) to Sethoxydim Applied With Precision Postemergence-directed Sprayer Equipment

Published online by Cambridge University Press:  12 June 2017

Craig D. Kleppe  and
Robert G. Harvey
Craig D. Kleppe
Affiliation:
Dep. Agron., Univ. Wis., Madison, WI 53706
Robert G. Harvey
Affiliation:
Dep. Agron., Univ. Wis., Madison, WI 53706
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Abstract

The tolerance of 41- and 76-cm tall corn to sethoxydim applied with a precision postemergence-directed sprayer was evaluated in field studies in 1987 and 1988. Corn 41 cm tall at application tolerated directed sethoxydim more than corn 76 cm tall. Sethoxydim plus crop oil concentrate at 110 to 220 g/ha plus 1.3% (v/v) applied to 41-cm corn resulted in little or no injury and no corn grain yield reductions. When sethoxydim at rates exceeding 110 g/ha plus crop oil concentrate was applied to corn 76 cm tall, injury occurred which reduced corn grain yield. Good tolerance of 41-cm tall corn validates the safety and effectiveness of postemergence-directed sethoxydim when applied with precision sprayer equipment.

Keywords

Sethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onecorn, Zea mays L.Dual orifice nozzlescrop oil concentratepetroleum oilBCH-815SBAS-09002S
Type
Research
Information
Weed Technology , Volume 3 , Issue 4 , December 1989 , pp. 663 - 667
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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