Abstract

Transplants were set 21 Mar, 18 inches apart within the row on 8-inch-high and 32-inch-wide beds of Myakka fine sand covered with white polyethylene mulch. Each plot consisted of a single 18-ft long row with rows spaced 5 ft apart and 7 ft end to end. Treatments were replicated four times in a randomized complete block design and were applied with a 2.5 gal, hand-held CO2-powered sprayer at 60 gpa on 25 Apr, 10 and 23 May, and at 90 gpa on 6 Jun (Table 1). The sprayer was fitted with a D-5 disk and #45 core and was operated at 60 psi. The number of Liriomyza trifolii leafmines ≥ 0.5 inch long were counted on 25 May and 8 Jun during a 1 min search of each plot by two individuals, and the numbers were totaled for analysis. On 10 May, the middle 10 plants of selected plots were shook and the numbers of beneficial insects dislodged were counted. Fruit were harvested on 31 May and 21 Jun from the middle 10 plants of each plot and the number and weight of non-damaged fruit and the number of fruit damaged by armyworm larvae and stink bugs were determined.

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