Abstract
Abstract Plots were planted 5 May at the Red River Research Station, Bossier City, LA, and were 4 rows X 100 ft on 40-inch centers. All plots had Temik 15G (0.5 lb [AI]/acre) and Terraclor Super-X 10-2.5G (1.0 + 0.25 lb [AI]/acre) applied infurrow at planting. Experimental design was a RCB with 4 replications. Plots were oversprayed with Vydate C-LV (0.25 lb [AI]/acre) for plant bugs and boll weevils on 6, 19, and 23 Jun and for boll weevils with Penncap-M (0.25 lb [AI]/acre) and twice with methyl parathion 4EC (0.33 lb [AI]/acre) on 3, 11, and 26 Aug, respectively. Plots were oversprayed for the bollworm/tobacco budworm complex with Karate 1EC (0.03 lb [AI]/acre) on 26 Aug. Insecticide treatments were applied in 5.4 gpa/acre at 60 psi with TX-3 hollow-cone nozzles spaced 20 inches apart (2 nozzles/row). Treatments were applied with a high-clearance sprayer equipped with a CO2 system for spraying small plots. Insecticide treatments were applied on 21, 28 Jul, 7, and 14 Aug. Infestations of larvae and square damage were monitored on 24, 31 Jul and 11 Aug by examining 25 squares/plot. Boll damage was monitored on 18 Aug by examining 25 bolls/plot. Yields were determined by mechanically harvesting the center 2 rows of each plot on 9 Oct.
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