The second rain event on Sunday night ended up with about 10.5 hours of estimated wetness with an average of 70 F. It was infection event for Phomopsis, black rot,… Read more
It looks like we have thunderstorms every weekend! There were a few line of rains went through Winchester area, and two risk events were observed. One was on Saturday morning… Read more
Rain fall in 8-9 July resulted in 15 hours of estimated wetness event with an average temperature of 72F. It was infection event for Phomopsis, black rot, Botrytis, and downy… Read more
There were two storms on Monday and Wednesday went through Winchester area, but these were too short to count as disease events. Only potential exception is downy mildew, which can… Read more
Winchester area received precipitations from another storm that started shortly after midnight. It was approximately 8 hours of wetness with an average temperature of 68F. It was infection events for… Read more
Winchester area received a severe storm in lat Friday night, and that brought us an estimated 11 hours of wetness with an average of 68F. It was risk events for… Read more
Finally, I had a time to update a list of fungicides for home garden grape production. This updated list contains name of fungicide products that you can purchase from home… Read more
Oops, this one slipped out from my mind over the weekend! I calculated the value, satisfied, and forgot to upload! In anyway, from Friday night, we had a wetness event… Read more
Most of VA started a week with a rainy Monday. At Winchester, the first estimated wetness period started 5 AM Monday morning, lasted until 3 PM (10 hours) with an… Read more
Here’s some of downy mildew symptoms (on Vidal). 1) On upper leaf 2) Underside close-up 3) On young berries 4) Up-close and personal You can find more pictures of downy… Read more