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Scouting Report for 14 April

Most tree fruit varieties including McIntosh are at green tip, with the first green tissue showing on Friday. Dr. Rosenberger will have specific information on apple scab management on his blog site.

The first Red Banded Leafroller was captured in traps with SGFW increasing in pheromone traps. It is the earliest of the tortricid group found in pheromone traps. Larva will emerge near petal fall and will be controlled with materials used against OBLR at that timing. If you choose Actara for plum curculio management it will have very low levels of control for the lepidopteran insects and will require a specific insecticide for Lep. larva. rblr1 Fact sheet on RBLR describing biology and fruit injury.

The overwintering BMSB have been observed flying from structures such as homes, to deciduous trees in woodlands over the weekend. No sightings in orchards have been seen during scouting.

We are seeing a ten fold increase in oviposition from pear psylla during the past week. Hatch has yet to be observed.Image 1Psylla eggs in stem scales