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Yellow Nutsedge (Cyperus esculentus) Control, Regrowth, and Tuber Production as Affected by Herbicides

Published online by Cambridge University Press:  12 June 2017

Philip A. Banks
Philip A. Banks*
Affiliation:
Agron. Dep., Univ. of Georgia, Athens, GA 30602
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Abstract

Nine soil-applied herbicides were evaluated in the field in cotton (Gossypium hirsutum L.) and soybeans [Glycine max (L.) Merr.] and in the greenhouse without crops to determine their effects on the control, regrowth, and tuber production of yellow nutsedge (Cyperus esculentus L.). Fluridone {1-methyl-3-phenyl-5-[3-(trifluoromethyl) phenyl]-4(1H)-pyridinone} and norflurazon [4-chloro-5-(methylamino)-2-(α,α,α-trifluoro-m-tolyl)-3(2H)-pyridazinone] provided the best (100%) control in the greenhouse. Tubers exposed to herbicide-treated soil in the greenhouse for 4 or 8 weeks produced fewer new tubers when transplanted into nontreated soil than nontreated tubers did. Yellow nutsedge shoot and tuber populations in the field were significantly reduced by all herbicides, except for alachlor [2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide], after 2 yr of treatment in cotton and soybeans.

Keywords

PyridinonethiocarbamatechloroacetamideperfluidoneUBI-S-734
Type
Research Article
Information
Weed Science , Volume 31 , Issue 3 , May 1983 , pp. 419 - 422
Copyright
Copyright © 1983 Weed Science Society of America 

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References

Literature Cited

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