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Arboriculture & Urban Forestry Online
Volume 14, Issue 4 — April 1988
https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry

Control of Acer Rubrum Growth with Flurprimidol    (View PDF)

C.H. Gilliam, D.C. Fare and J.T. Eason

Abstract: Flurprimidol effectively suppressed growth of Acer rubrum when applied as a subsoil injection. Rates of 1.0 and 2.0 g ai/inch of diameter supressed height growth for about three years; whereas, 0.5 g ai/inch of diameter suppressed growth less than the higher rates, and effectiveness subsided during the second year. Diameter growth suppression increased with flurprimidol rates, though suppression was not as pronounced as with height growth. Tree height, diameter, and shoot length were suppressed with all rates of flurprimidol compared to nontreated trees. Tree appearance was affected by flurprimidol. Reduced petiole length and smaller, dark-green leaves were evident with treated maples compared to nontreated plants, though appearance was not objectionable.

Keywords: EL-500; Growth Retardants; Red Maple

https://doi.org/10.48044/jauf.1988.024


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