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Influence of Application Rate and Timing on Efficacy of DPX-PE350 Applied Postemergence

Published online by Cambridge University Press:  12 June 2017

David L. Jordan ,
Robert E. Frans  and
Marilyn R. McClelland
David L. Jordan
Affiliation:
Dep. Agron., Fayetteville, AR 72703
Robert E. Frans
Affiliation:
Dep. Agron., Fayetteville, AR 72703
Marilyn R. McClelland
Affiliation:
Dep. Agron., Fayetteville, AR 72703
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Abstract

Broadleaf weed control with DPX-PE350 at 56, 84, 110, 140, and 170 g ae ha−1 applied postemergence was evaluated. DPX-PE350 was less effective and higher rates were required when applied to three- to six-leaf weeds compared to one- to two-leaf weeds. Listed in order of increasing susceptibility are sicklepod, tall morningglory, pitted morningglory = palmleaf morningglory, and entireleaf morningglory = hemp sesbania = velvetleaf.

Keywords

DPX-PE350, sodium 2-chloro-6-(4,5-dimethoxy-pyrimidin-2-ylthio)benzoateentireleaf morningglory, lpomoea hederacea var. integriuscula Gray # IPOHGhemp sesbania, Sesbania exaltata (Raf.) Rybd ex A. W. Hill # SEBEXpalmleaf morningglory, lpomoea wrightii Gray # IPOWRpitted morningglory, Ipomoea lacunosa L. # IPOLAsicklepod, Cassia obtusifolia, L. # CASOBtall morningglory, Ipomoea purpurea L. Roth. # PHBPUvelvetleaf, Abutilon theophrasti Medicus # ABUTH;Abutilon theophrastiCassia obtusifoliaIpomoea hederacea var. integriusculaIpomoea lacunosaIpomoea purpureaIpomoea wrightiiSesbania exaltataABUTHCASOBIPOHGIPOLAIPOWRPHBPUSEBEX
Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 216 - 219
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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