Disease risks from yesterday’s rain

The rain events on 4/16/11 at Winchester started on 4:20AM and lasted until 9:40PM or so, and then the relative humidity was high (>90%) until 10:20PM.  Thus, this potential infection event accounted for 20 hours of wetness and the average temperature during the event was 55F.  It was long and warm enough for both Phomopsis and black rot infection.

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