Abstract
Abstract SN72129, a water soluble powder containing 50% AI, was applied to rolled oats and soft spring wheat by mixing an appropriate amount of insecticide with water (1.0 ml) which was sprayed evenly over the commodity with an air brush sprayer, and to whole wheat flour by mixing as the dry powder. Three replicates of each dosage were mixed thoroughly in 1-liter jars. Fifty young adults were placed in each jar: sawtoothed grain beetle (SGB) on oats, red flour beetle (RFB) on wheat flour, and rice weevil (RW) on wheat. The culture jars were maintained under controlled conditions: 27+2 C, 60_10%RH, 16:8 L:D photoperiod. The adults were removed after 7-10 days exposure to the treated commodity and mortality was assessed. The jars were incubated an additional 40 days to determine the effect on the number of progeny per female, assuming even sex distribution of initiating adults. The results were analyzed by analysis of variance.
Published Version
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