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1 January 2007 Common Dandelion (Taraxacum officinale) Control with Postemergence Herbicides in No-Tillage Glufosinate-Resistant Corn
Aaron S. Franssen, JAMES J. KELLS
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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.

Nomenclature: Dicamba, diflufenzopyr, flumiclorac, glufosinate, mesotrione, common dandelion, Taraxacum officinale Weber TAROF, corn, Zea mays L

Aaron S. Franssen and JAMES J. KELLS "Common Dandelion (Taraxacum officinale) Control with Postemergence Herbicides in No-Tillage Glufosinate-Resistant Corn," Weed Technology 21(1), 14-17, (1 January 2007). https://doi.org/10.1614/WT-04-190.1
Received: 31 March 2004; Accepted: 1 February 2006; Published: 1 January 2007
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