Abstract
Diflubenzuron (70g of AI/ha) was applied to cotton at 2.3, 4.7, and 9.4 liters of nonphytotoxic oil (Sun Oil 7N® or Dimoil®) per ha with ground and aerial equipment. There was a significant reduction in the number of adult weevils, Anthonomus grandis grandis Boheman, reared from puncture squares when compared with the untreated control. There was no statistical difference in emergence of adults from infested squares collected in plots treated with the three volumes of oils.
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