Abstract
Abstract ‘Ohio 7870’ tomato transplants were planted no-till in 25-ft rows on 24 May with a 2-row Holland transplanter equipped with a 2-inch-wide flutted coulter in front of each planter shoe. Plots consisted of a single treatment row buffered on each side by an untreated guard row. The distance between rows was 64 inches and the distance between plants within the row was 12 inches. Transplanting was made in overwintered wheat. The plots were arranged in a randomized complete block design with 4 replicates. The soil was a Norfolk A loamy sand. All spray treatments were mixed in 10 gal water and applied with a custom-built row crop sprayer. Each row was covered by 6 drop nozzles delivering 50 gal/acre at 90 psi. Treatments were applied 13 and 27 Jul and 4 Aug. In evaluating the treatments, direct counts of CPB adults and larvae/10 plants and the percentage of defoliation were recorded. Yields were taken on 30 Aug from a 10-ft section of row.
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