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Decreasing Rates of Nonselective Herbicides in Double-Crop No-Till Soybeans (Glycine max)

Published online by Cambridge University Press:  12 June 2017

Carroll M. Moseley  and
Edward S. Hagood Jr.
Carroll M. Moseley
Affiliation:
Dep. Plant Pathol., Physiol., Weed Sci., Va. Polytech. Inst. State Univ., Blacksburg, VA 24061
Edward S. Hagood Jr.
Affiliation:
Dep. Plant Pathol., Physiol., Weed Sci., Va. Polytech. Inst. State Univ., Blacksburg, VA 24061
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Abstract

Experiments were conducted in 1988 and 1989 at four sites in Virginia to test weed control efficacy in double-crop, no-till soybean production systems with reduced rates of nonselective herbicides. Chlorimuron plus linuron at 0.04 plus 0.46 kg ha-1 gave more than 94% control of five weed species, but only 81 to 86% control of three weed species. Tank mix additions of reduced rates of either glyphosate, HOE-0661 or paraquat to the chlorimuron plus linuron treatment increased large crabgrass and common ragweed control.

Keywords

Chlorimuron, 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acidglyphosate, N-(phosphonomethyl)glycineHOE-0661, ammonium (3-amino-3-carboxypropyl)methylphosphinatelinuron, N′-(3,4-dichlorophenyl)-N-methoxy-N-methylureaparaquat, 1,1′-dimethyl-4,4′-bipyridinium ionlarge crabgrass, Digitaria sanguinalis (L.) Scop. ♯ DIGSAsoybean (Glycine max (L.) Merr.) ‘DP 105’, ‘Essex’, ‘Shenandoah’, and ‘York’ChlorimuronglyphosateHOE-0661linuronparaquatDigitaria sanguinalisAMAREDIGSAIPOHEIPOLPOLPYSETFASIDSP

Information

Type
Research
Information
Weed Technology , Volume 5 , Issue 1 , March 1991 , pp. 198 - 201
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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