Slides and handouts for tonight’s master gardener trainee meeting

It’s bit off-topic for this blog, but we have a series of presentations at a local Master Gardener class tonight. Here are slides and handouts for the meeting. The major… Read more

See you all at the VVA meeting!

I have several presentations at the upcoming VVA meeting. Here are handouts for my presentations. If click the link, it will open a new window for Google Drive that contains… Read more

Winter time vineyard meetings 2017!

First of all, Happy New Year! I hope you had a nice holiday season. Here’s a table of upcoming vineyard meetings. 2017 Upcoming Virginia Vineyard Extension Meetings Program name Location… Read more

Rain rain…

It has been pretty wet week so far. At Winchester, we observed about 11 hours of wetness on the 26th with an average temperature of 64F, 50+ hours (and counting)… Read more

On these unusually slow ripening issues

Maybe I should keep posting that rains are coming… Each time I do, it looks like rains disappear. 😉 If you have not subscribed to the email list of Dr.… Read more

List of low PHI materials for Botrytis, powdery mildew, and downy mildew

Well, I was hoping that the rest of the season would be nice and sunny, but I was little naive. Looks like some portion of VA may be affected by… Read more

Last stretch!!

I heard that some of early cultivars are ready to be picked on 7-10 days.  Looks like no tropical storms to worry, yet… (crossing my fingers!) There have been frequent… Read more

Another extensive rain event recorded

As many other parts of VA, we have been experiencing thunderstorms running through our area in the past week for so. Yesterday, we had about 9 hours of wetness with… Read more

A quick reminer on downy mildew

At Winchester, we had 8 hours of wetness observed on last Thursday, then there are several short rains/thunderstorms. Moreover, the night time relative humidity has been fairly high (> 95%)… Read more

Seasonal disease management considerations toward the end of the season.

Most of us are about to finish critical time when clusters are susceptible to infection by downy mildew, powdery mildew, and black rot.  This critical time varies by varieties, but… Read more
© 2026 Virginia Grape Disease Updates - Theme by WPEnjoy · Powered by WordPress