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Protection from Primisulfuron Injury to Corn (Zea mays) and Sorghum (Sorghum bicolor) with Herbicide Safeners

Published online by Cambridge University Press:  12 June 2017

Marulak Simarmata  and
Donald Penner
Marulak Simarmata
Affiliation:
Dep. Crop Soil Sci., Michigan State Univ., E. Lansing, MI 48824
Donald Penner
Affiliation:
Dep. Crop Soil Sci., Michigan State Univ., E. Lansing, MI 48824
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Abstract

Greenhouse studies were conducted to evaluate and compare herbicide safeners for protection of corn and sorghum from herbicidal injury from metolachlor, primisulfuron, and the interaction of primisulfuron with terbufos, an insecticide. With the exception of CGA-133205 which killed corn, the safeners oxabetrinil, flurazole, naphthalic anhydride, dichlormid, and R-29148 protected against significant injury from the interaction between primisulfuron (40 g ai ha−1) and terbufos (9.8 kg ha−1 equivalent to 750 g per 1000 m of row) and from metolachlor (6.7 kg ai ha−1). No primisulfuron-terbufos interaction was observed in sorghum and none of the safeners protected sorghum from primisulfuron injury. PRE application of the antioxidants, piperonyl butoxide and metyrapone, increased primisulfuron injury to corn. Piperonyl butoxide by itself did not influence the growth of corn seedlings, but metyrapone caused slight injury. The increased injury from piperonyl butoxide plus primisulfuron applied at 40 g ha−1 was protected by naphthalic anhydride, flurazole, and R-29148, whereas at 80 g ha−1 protection was provided by flurazole and R-29148. None of the safeners tested protected against increased injury from metyrapone. Naphthalic anhydride was also an effective safener against increased corn injury when 3000 ppm piperonyl butoxide was applied foliarly 3 d prior to primisulfuron application. 14C-Primisulfuron absorption by corn was not influenced by piperonyl butoxide or the safener, naphthalic anhydride. However, metabolism of 14C-primisulfuron was inhibited by piperonyl butoxide. This inhibition was not totally reversed by the safener, naphthalic anhydride.

Keywords

CGA-133205, 0-(1,3,dioxolan-2-yl-methyl)-2,2,2-trifluoro-4′-chloroacetophenone-oximedichlormid, 2,2-dichloro-N,N-di-2-propenylacetamideflurazole, phenylmethyl 2-chloro-4-(trifluoromethyl)-5-thiazolecarboxylatemetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamidemetyrapone, 2-methyl-1,2-di-3-pyridyl-1-propanonenaphthalic anhydride, 1H,3H-naphthol[1,8-cd]pyran-1,3-dioneoxabetrinil, α-[(1,3-dioxolan-2-yl-methoxy)-imino]benzeneacetonitrilepiperonyl butoxide, α[2-(2-butoxyethoxy)ethoxy]-4,5-methylenedioxy-2-propyltolueneprimisulfuron, 2-[[[[[4,6-bis(difluoromethoxy)-2-pyrimidinyl]amino]carbonyl]amino]-sulfonyl]benzoic acidR-29148, 3-(dichloroacetyl)-2,2,5-trimethyl-1,3-oxazolidineterbufos, S-[[(1,1-dimethylethyl)thio]methyl]0,0-diethyl phosphorodithioatecorn, Zea mays L.and sorghum, Sorghum bicolor L.AntidoteprotectantsCGA-133205dichlormidflurazolemetolachlormetyraponenaphthalic anhydrideoxybetrinilpiperonyl butoxideR-29148terbufos
Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 174 - 179
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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