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Incorporation Depths of Imazaquin, Metribuzin, and Chlorimuron for Common Cocklebur (Xanthium strumarium) Control in Soybeans (Glycine max)

Published online by Cambridge University Press:  12 June 2017

Richard A. Wesley Jr. ,
David R. Shaw  and
William L. Barrentine
Richard A. Wesley Jr.
Affiliation:
Dep. Plant Pathol. Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
David R. Shaw
Affiliation:
Dep. Plant Pathol. Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
William L. Barrentine
Affiliation:
Delta Branch, Miss. Agric. For. Exp. Stn., Stoneville, MS 38776
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Abstract

Field experiments were conducted in 1986 and 1987 to evaluate the effect of herbicide incorporation to various depths on common cocklebur control with imazaquin, a tank mix of imazaquin and metribuzin, and a preformulated mixture of chlorimuron and metribuzin in soybeans. Herbicide rates included were two-thirds and the full registered rate. All treatments, except chlorimuron plus metribuzin (50 plus 320 g ai/ha, respectively), controlled more common cocklebur when incorporated to depths of 2.5 to 7.6 cm than when left unincorporated. Also, imazaquin at 90 g ai/ha and the tank mix of imazaquin plus metribuzin at 90 plus 280 g ai/ha, when incorporated, controlled more common cocklebur than higher rates of the same combination when not incorporated. Common cocklebur control was similar with 2.5-, 5.0-, and 7.6-cm soil incorporation depths.

Keywords

Chlorimuron, 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)-amino]carbonyl]amino]sulfonyl]benzoicic acidimazaquin, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl-5-oxo-1H-imdazol-2-yl]mzol-2-yl]-3-quinolinecarboxylic acidmetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5-(4H)-onecommon cocklebur, Xanthium strumarium L. ♯3 XANSTsoybean, Glycine max (L.)MerrReduced rateXANST
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 37 , Issue 4 , July 1989 , pp. 596 - 599
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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