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Sequential Herbicide and Plant Growth Regulator Treatments on Bermudagrass (Cynodon spp.)

Published online by Cambridge University Press:  12 June 2017

B. Jack Johnson  and
Tim R. Murphy
B. Jack Johnson
Affiliation:
Univ. of Ga., Ga. Stn., Griffin, GA 30223-1797
Tim R. Murphy
Affiliation:
state and Hatch funds allocated to the Ga. Agric. Exp. Stn.
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Abstract

Sequential applications of MSMA plus metribuzin with selected plant growth regulators interacted synergistically and increased injury of ‘Tifway’ bermudagrass 1 and 2 wk after treatment. However, the higher injury at 3 wk after treatment, from sequential MSMA plus metribuzin with flurprimidol plus mefluidide or paclobutrazol with mefluidide, was additive. The vegetative growth suppression of bermudagrass at 2 wk after treatment with 2,4-D plus mecoprop plus dicamba with flurprimidol was antagonistic. The higher growth suppression 2 wk after treatment for MSMA plus metribuzin and flurprimidol plus mefluidide was additive compared to flurprimidol with mefluidide alone.

Keywords

Dicamba, 3,6-dichloro-2-methoxybenzoic acidflurprimidol, α-(1-methylethyl)-α-[4-(trifluoromethoxy)phenyl]-5-primidine methanolmecoprop, (±)-2-(4-chloro-2-methylphenoxy)propanoic acidmefluidide, N-[2,4-dimethyl-5-[[(trifluoromethyl) sulfonyl]amino]phenyl]acetamidemetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-oneMSMA, monosodium salt of methylarsonic acidpaclobutrazol, (±)-(R*R*) β-[(4-chlorophenyl)methyl-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol2,4-D, (2,4-dichlorophenoxy)acetic acid‘Tifway’ bermudagrass (Cynodon transvaalensis Burtt-Davy ♯ CYNTR x bermudagrass [C. dactylon (L.) Pers. ♯ CYNDA]Flurprimidolmefluididemetribuzin plus MSMApaclobutrazolpost-emergence herbicidesCYNTR x CYNDA
Type
Research
Information
Weed Technology , Volume 5 , Issue 3 , September 1991 , pp. 607 - 611
Copyright
Copyright © 1991 Weed Science Society of America 

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References

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