Abstract

Abstract Phytotoxicity of fenpropathrin 2.4EC was evaluated on 15 woody ornamentals produced in south Alabama. Plants were grown in an amended pine bark medium. F. japonica, M. bealei, R. X 'Coral Bell', R. X 'Mrs. G. G. Gerbing', and T. japonica were grown under 47% shade; other species in full sun. Overhead impulse sprinklers were used for irrigation. Treatments were applied to all leaf surfaces to run-off Apr 8, Apr 27, and May 11, at 0.075, 0 . 1 , and 0.4 lb ai/100 gal water with hand-pumped, compressed air sprayers. Phytotixicity evaluations were made 1 wk after each application and 4 wk after the last application. There were 5 single-plant replicates/species arranged in a completely randomized design.

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