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Hairy Nightshade (Solanum sarrachoides) Control in Potatoes (Solanum tuberosum) with Bentazon Plus Additives

Published online by Cambridge University Press:  12 June 2017

Charlotte V. Eberlein ,
Mary J. Guttieri  and
William C. Schaffers
Charlotte V. Eberlein
Affiliation:
Dep. Plant. Soil, and Entomol. Sci., Univ. Idaho, Aberdeen, ID 83210
Mary J. Guttieri
Affiliation:
Dep. Plant. Soil, and Entomol. Sci., Univ. Idaho, Aberdeen, ID 83210
William C. Schaffers
Affiliation:
Dep. Plant. Soil, and Entomol. Sci., Univ. Idaho, Aberdeen, ID 83210
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Abstract

Field studies were conducted to examine hairy nightshade control with, and potato tolerance to, bentazon or bentazon plus nonionic surfactant (NIS), petroleum oil concentrate (POC), methylated seed oil (MSO), BCH-815, or urea-ammonium nitrate (UAN). Bentazon treatments were applied early or late POST. Hairy nightshade control with bentazon at 0.56 kg ha–1 plus POC, MSO, BCH-815, or UAN was equal to or better than bentazon alone at 1.12 kg ha–1 regardless of time of application. Potato injury with bentazon plus additives applied late POST was sometimes greater than with bentazon alone, but use of additives did not reduce potato yield or quality. Yield of US ♯1 tubers was lower when bentazon was applied late POST than when applied early POST in one of two years.

Keywords

Bentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxidehairy nightshade, Solanum sarrachoides Sendtner ♯ SOLSApotato, Solanum tuberosum L. ‘Russet Burbank’Herbicide injuryadjuvantsSOLSA
Type
Research
Information
Weed Technology , Volume 6 , Issue 1 , March 1992 , pp. 85 - 90
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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