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Effect of Adjuvants on Bentazon Efficacy in Green Pea (Pisum sativum)

Published online by Cambridge University Press:  12 June 2017

Kassim Al-Khatib ,
Sorkel Kadir  and
Carl Libbey
Kassim Al-Khatib
Affiliation:
N.W. Res. Ext. Cent., Washington State Univ., Mt. Vernon, WA 98273
Sorkel Kadir
Affiliation:
N.W. Res. Ext. Cent., Washington State Univ., Mt. Vernon, WA 98273
Carl Libbey
Affiliation:
N.W. Res. Ext. Cent., Washington State Univ., Mt. Vernon, WA 98273
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Abstract

Bentazon efficacy was evaluated in early, normal, and late plantings of green pea with the addition of four adjuvants: crop oil concentrate (COC), LI-700, Sylgard 309, and X-77. Weed control was improved by all adjuvants in normal and late plantings of green pea, but only by Sylgard 309, X-77, and LI-700 in the early planting. In normal and late plantings, weed control with bentazon applied at 0.56 kg/ha with any adjuvant was equal to weed control with bentazon applied alone at 1.12 kg/ha. Bentazon injury on green pea plants varied from slight to severe, with the lowest injury resulting from bentazon applied with COC and LI-700 and highest injury from bentazon applied with Sylgard 309. Bentazon injury was greater in normal and late plantings than in the early planting.

Keywords

Bentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4-(3H)-one 2,2-dioxidegreen pea, Pisum sativum L. ‘Bolero.’Crop oil concentratenonionic surfactantorganosilicone adjuvantpenetrating agentLAMPU
Type
Research
Information
Weed Technology , Volume 9 , Issue 3 , September 1995 , pp. 426 - 431
Copyright
Copyright © 1995 by the Weed Science Society of America 

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References

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