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Arboriculture & Urban Forestry Online
Volume 18, Issue 2 — March 1992

Paint-On Application of Acephate for Aphid Control on Crape Myrtle    (View PDF)

S.C. Doughty, D.K. Pollet, R.J. Constantin, D.W. Wells and K.L. Koonce

Abstract: Orthene 75 S (acephate) in a 3:1 and 4:1 (v:v ratio) water slurry was painted on the trunks of row-planted, seedling crape myrtle, Lagerstroemia indica, for control of the crape myrtle aphid, Tinocallis kahawaluokalani. The amount of slurry banded on the trunk was based on the trunk diameter of test plants. Evaluation of the treatments was made by periodic counts of aphid populations. Treatments showed four weeks control of aphid populations after apparent absorption through the bark. No phytotoxicity was observed as a result of any treatments.


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