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Influence of Adjuvants on Hemp Sesbania (Sesbania exaltata) Control by Chlorimuron

Published online by Cambridge University Press:  12 June 2017

David L. Jordan  and
Ann B. Burns
David L. Jordan
Affiliation:
Northeast Res. Stn., Louisiana State Univ. Agric. Center. P.O. Box 438, St. Joseph, LA 71366
Ann B. Burns
Affiliation:
Northeast Res. Stn., Louisiana State Univ. Agric. Center. P.O. Box 438, St. Joseph, LA 71366
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Abstract

Hemp sesbania control by chlorimuron applied with crop oil concentrate at 1.0% v/v, BCH 815 at 1.0% v/v, methylated seed oil at 1.0% v/v, a blend of methylated seed oil and organosilicone surfactant at 0.5% v/v, organosilicone-based surfactant at 0.125% v/v, and nonionic surfactant at 0.25% v/v was evaluated in field studies in 1994 and 1995. Control by chlorimuron at 4.5 g ae/ha was greater when applied with BCH 815, organosilicone-based surfactant, and nonionic surfactant than with crop oil concentrate, methylated seed oil, and a blend of methylated seed oil and organosilicone surfactant. When chlorimuron was applied at 4.5 g/ha with BCH 815 or nonionic surfactant, hemp sesbania control was similar to that by chlorimuron at 9 g/ha applied with methylated seed oil, the blend of methylated seed oil and organosilicone surfactant, or organosilicone-based surfactant.

Keywords

Chlorimuron, 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acidhemp sesbania, Sesbania exaltata (Raf.) Rydb. ex A. W. Hill # SEBEXSpray additiveBCH 815crop oil concentratemethylated seed oilmethylated seed oil and organosilicone surfactant blendorganosilicone-based surfactantnonionic surfactantSEBEX
Type
Research
Information
Weed Technology , Volume 11 , Issue 1 , March 1997 , pp. 19 - 23
Copyright
Copyright © 1997 by the Weed Science Society of America 

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