Source: NCSU COLLEGE OF AG & LIFE SCIENCES, 4/15/21


Petal Fall Spray Options
With petal fall spray imminent in most locations, insecticide options will depend on what was applied before bloom and whether or not OFM mating disruption is being used. Another consideration is the level of bee activity in an orchard. For insecticides toxic to bees, which include many recommended at petal fall, it is important that bees are removed from orchards before sprays are applied.

The key insect pests to target at petal fall include plum curculio, oriental fruit moth and rosy apple aphid. Among these insects, the plum curculio presents the greatest threat, because petal fall is essentially the only time that it can be effectively controlled, while other options are available for OFM and rosy apple aphid.

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