Sunday, July 11, 2010

Disease risks from yesterday's rain and vineyard meetings

We received a series of thunderstorms from Friday night to Saturday morning.  At Winchester, the rain started around 8:00 PM Friday night and lasted until around 9:40 AM Saturday morning.  Soon after the last drops of rain, the sun came through the clouds and things were dried up again. Thus, it accounted for about 13:40 hours of wetness with an average temperature of about 75F.  It was warm and long enough for downy mildew, black rot, and Phomopsis.

We will have a vineyard meeting tomorrow from 11 AM at Blenheim Vineyards.  If you have a time, please stop by.

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