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Yellow Nutsedge (Cyperus esculentus) Management in Transplanted Onions (Allium cepa)

Published online by Cambridge University Press:  12 June 2017

J. Wayne Keeling ,
David A. Bender  and
John R. Abernathy
J. Wayne Keeling
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
David A. Bender
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
John R. Abernathy
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
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Abstract

Studies were conducted to evaluate preplant incorporated (PPI), preemergence (PRE), and postemergence (POE) herbicide treatments on yellow nutsedge control and on growth and yield of transplanted onions. Most effective yellow nutsedge control (≥80%) was achieved with metolachlor applied PPI plus PRE. Metolachlor and SAN 582H were more effective applied PPI than PRE. Bentazon alone applied POE adequately controlled yellow nutsedge only 1 of 2 yr. Highest onion yields and percent jumbo bulbs were produced when treatments included metolachlor applied PPI.

Keywords

Bentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxidemetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamideSAN 582H (chemistry not released)onion, Allium cepa L.yellow nutsedge, Cyperus esculentus L. ♯3 CYPESMetolachlorbentazonCYPES
Type
Research
Information
Weed Technology , Volume 4 , Issue 1 , March 1990 , pp. 68 - 70
Copyright
Copyright © 1990 Weed Science Society of America 

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References

Literature Cited

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