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- Author or Editor: Henry M. Cathey x
Abstract
Growing Acer rubrum L. plants under an integrated system of supplemental lights for 4-hours (2200-0200) at 10 ft-c., aluminum reflective soil mulch, and disulfoton soil insecticide treatments, produced nursery liners in 1 season that were equal to 2- or 3-year-old seedlings grown by conventional methods. Increased available light in response to the reflective radiation from the A1 soil mulch was the most significant single factor. Added growth effects were obtained by combining chemical soil treatments under aluminum mulch along with the supplemental lighting. Amber lights and incandescent lights were equally stimulative. Potato leafhoppers (Empoasca fabae (Harris)), which commonly stunt tip growth of many deciduous nursery liners, were repelled by the aluminum mulch and killed by the disulfoton insecticide.