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Plant Growth Regulators Suppress Established Orchard Sod and Dandelion (Taraxacum officinale) Population

Published online by Cambridge University Press:  12 June 2017

Stephen S. Miller  and
B. Joe Eldridge
Stephen S. Miller
Affiliation:
USDA-ARS Appalachian Fruit Res. Stn., Kearneysville, WV 25430
B. Joe Eldridge
Affiliation:
USDA-ARS Appalachian Fruit Res. Stn., Kearneysville, WV 25430
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Abstract

Several plant growth regulators applied to established sod driveways in an apple orchard suppressed growth of the ground cover sufficiently to eliminate one to three mowings. MH at 4.5 or 6.7 kg ai/ha applied spring and fall reduced the growth of a single species sod cover crop, ‘Kentucky 31’ tall fescue, the year after treatment. MH at both rates also reduced the dandelion population growing in the mixed species orchard sod. Paclobutrazol or EPTC applied in the spring before or during initial grass growth reduced dry matter production in the fescue sod cover crop and the number of mowings compared to the mowed and non-mowed control plots.

Keywords

EPTC, S-ethyl dipropylcarbamothioateMH, 1,2-dihydro-3,6-pyridazinedionepaclobutrazol (R*,R*)-(±)-B-[(4-chlorophenyl)methyl]-q-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanolapple, Malus domestica Borkhdandelion, Taraxacum officinale Weber in Wiggers #3 TAROFtall fescue, Festuca arundinacea Schreb. # FESARGrass controlMHpaclobutrazolEPTCTaraxacum officinaleFestuca arundinaceaMalus domesticaTAROFFESAR
Type
Research
Information
Weed Technology , Volume 3 , Issue 2 , June 1989 , pp. 317 - 321
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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