Abstract

The efficacy of two unregistered organically acceptable insecticides on SWD was assessed in June and July, 2014. The experiment was conducted at the Horticultural Crops Research Station near Castle Hayne, NC in a planting of rabbiteye blueberries, var. Premier. Treatments were replicated four times and arranged in an RCB design, blocked by rows, with a one-row buffer in between blocks. Plots consisted of five plants, 0.00415 acres, each. The following four treatments were compared: untreated control (UTC), Veratran D, Ecotec + TriTek, and Entrust SC (Table 1). Following label recommendations, Entrust was tank mixed with a nonionic surfactant, Dyne-Amic. Treatments were applied on 23 June using a CO2 pressurized backpack sprayer fitted with three solid cone nozzles (TeeJet TG 5 with medium size filter) calibrated to deliver a spray volume of 50 gpa at 45 psi pressure. Due to issues with the filter clogging during the Veratran D application, the following adjustments …

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