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Common Dandelion (Taraxacum officinale) Control with Postemergence Herbicides in No-Tillage Glufosinate-Resistant Corn

Published online by Cambridge University Press:  20 January 2017

Aaron S. Franssen  and
James J. Kells
Aaron S. Franssen
Affiliation:
Department of Crop and Soil Sciences, Michigan State University, East Lansing, MI 48824
James J. Kells*
Affiliation:
Department of Crop and Soil Sciences, Michigan State University, East Lansing, MI 48824
*
Corresponding author's E-mail: [email protected]
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Abstract

Common dandelion has developed into a troublesome agronomic weed for no-tillage corn producers. A postemergence herbicide application is often required to reduce common dandelion competition. Field experiments were conducted in 2002 and 2003 to evaluate 22 postemergence herbicide treatments for efficacy on established populations of common dandelion in no-tillage corn. All herbicides were applied to five- to six-collar corn at registered rates with typical adjuvants. At 28 d after treatment (DAT) the most effective treatments included glufosinate and mesotrione providing at least 76% control of common dandelion. All other herbicide treatments provided less than 40% common dandelion control 28 DAT. Common dandelion control was evaluated 56 DAT when regrowth of treated plants was observed for some herbicide treatments. AT 56 DAT, dicamba + diflufenzopyr was the most effective treatment, providing 83% control of common dandelion. In 2002, all herbicide treatments, with the exception of flumiclorac, resulted in corn yields greater than the nontreated.

Keywords

Dicambadiflufenzopyrflumicloracglufosinatemesotrionecommon dandelion, Taraxacum officinale Weber TAROFcorn, Zea mays L.Dicambadiflufenzopyrflumicloracglufosinatemesotrionecommon dandelion
Type
Research
Information
Weed Technology , Volume 21 , Issue 1 , March 2007 , pp. 14 - 17
Copyright
Copyright © Weed Science Society of America 

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