Abstract
The objective of this study was to evaluate the efficacy of organically approved insecticides against Bagrada hilaris in broccoli relative to a conventional standard 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 wide by 35 ft in length and bordered by two untreated beds. Stand establishment was achieved using overhead sprinkler irrigation, and irrigated with furrow irrigation thereafter. Four replications of each treatment were arranged in a randomized complete block design. Formulations and rates for each compound are provided in the tables. Three foliar sprays were applied on 29 September, 5 and 13 October as broadcast applications delivered through 2 …
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