Abstract
Abstract Transplants were set 4 Sep on 2.5-ft-wide by 8-inch-high beds of EauGallie fine sand covered with black polyethylene mulch. Plots consisted of 10 staked plants set in a single row on 18-inch centers. Each treatment was replicated 4 times in a randomized complete block design. Treatments were applied 23 and 29 Sep; 6, 13, 20, and 27 Oct; and 3 Nov with a 2.5-gal, hand-held CO2-pressurized sprayer operated at 40 psi and delivering 50-120 gal/acre (volume increased as plants grew). On 30 Sept each plant in each plot was visually inspected, and the numbers of beet armyworm (BAW) larvae counted. The numbers of southern armyworm (SAW) larvae were counted during 5- and 2-minute searches, respectively, of each plot on 21 Oct and 10 Nov. On 12 Nov, 50 fruit were harvested from each plot and the numbers of undamaged fruit and the numbers of fruit damaged by armyworm larvae were determined. The percentages of damaged fruit were calculated, and analyses of variance were performed on all data.
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