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New Herbicides for Postemergence Application in Sugarbeet (Beta vulgaris)

Published online by Cambridge University Press:  12 June 2017

Robert G. Wilson
Robert G. Wilson*
Affiliation:
Dep. Agron., Univ. of Nebraska, Scottsbluff, NE 69361
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Abstract

Field experiments were conducted near Scottsbluff, NE, to evaluate the selectivity of sequential POST applications of ethofumesate and triflusulfuron for weed control in sugarbeet. When applied alone ethofumesate and triflusulfuron reduced common lambsquarters, hairy nightshade, and redroot pigweed density while triflusulfuron also reduced kochia density compared with an untreated control. Combining ethofumesate with desmedipham plus phenmedipham increased sugarbeet injury compared with desmedipham plus phenmedipham. Combining triflusulfuron with desmedipham plus phenmedipham increased kochia control but did not increase sugarbeet injury over that obtained with desmedipham plus phenmedipham. Weed control and sugarbeet injury from herbicides generally were unaffected by application in 97 or 182 L/ha of water carrier. However, herbicide control of hairy nightshade in 1993 was greater with 97 than 182 L/ha of water carrier.

Keywords

Desmedipham, ethyl[3-[[(phenylamino)carbonyl]oxy]phenyl]carbamateethofumesate, (±)-2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonatephenmedipham, 3-[(methoxycarbonyl)amino]phenyl (3-methylphenyl)carbamatetriflusulfuron, methyl 2-[[[[[4-((dimethylamino-6-(2,2,2-trifluoroethoxy))-1,3,5 triazin-2-yl]amino]carbonyl]amino]sulfonyl]-3-methylbenzoatecommon lambsquarters, Chenopodium album L. ♯ CHEALhairy nightshade, Solanum sarrachoides Sendtner ♯ SOLSAkochia, Kochia scoparia (L.) Schrad. ♯ KCHSCredroot pigweed, Amaranthus retroflexus L. ♯ AMAREsugarbeet, Beta vulgaris L. ‘Monohikari.’DesmediphamethofumesatephenmediphamtriflusulfuronAmaranthus retroflexusChenopodium albumKochia scopariaSolanum sarrachoidesAMARECHEALKCHSCSOLSA
Type
Research
Information
Weed Technology , Volume 8 , Issue 4 , December 1994 , pp. 807 - 811
Copyright
Copyright © 1994 Weed Science Society of America 

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References

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