Abstract

The objective of this study was to evaluate the efficacy of insecticides against Bagrada hilaris when applied as surface-banded soil applications on broccoli under low desert growing conditions. Broccoli “Emerald Crown” was direct seeded into double row beds on 42-inch centers on 16 September 2014. Plots were two beds in width by 30 ft in length. Stand establishment was achieved using overhead sprinkler irrigation and irrigated with furrow irrigation thereafter. Four replications of each treatment were arranged in an RCB design. Product formulations and rates for each compound are provided in Tables 1 and 2. The soil insecticides were applied as a surface-band treatment using a single-bed boom equipped with a single flat fan nozzle (8004VS) oriented parallel with each seed line and calibrated to deliver 25 gpa spray at 40 psi. A 2–3 inch spray band was placed directly over …

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