A quick reminder before in-coming rain events

Looks like we will likely to have another round of rain from Hurricane Irma sometimes next week.Just a reminder that we do not have any curative materials for Botrytis and… Read more

Late season downy mildew management and a list of low PHI materials

At Winchester, night time temperature in recent few days is getting pretty low to the point that relative humidity during the night is close to 100%. In addition, we are… Read more

Disease management considerations toward bunch closure

In a typical year, the fourth of July weekend is the time the critical period for cluster infection by downy mildew, powdery mildew, and black rot will end for many… Read more

Post bloom disease management considerations

As of today, it is about 10% bloom at our Chardonnay plots. Since bud break was about 2 weeks ahead of a typical year, things are moving along as we would… Read more

Observations from the field

Some shoots of our vines are about to reach the second catch wire, but I saw many that were still about 10-12 inches too. It looks like series of rain… Read more

Bloom time disease management considerations

Many of our vines at VT’s AHS AREC are about to reach the first catch wire and going strong. When shoots are about 10-12 inches long, downy mildew, powdery mildew,… Read more

From bud break to pre-bloom disease considerations

Our reds broke buds, and whites have about 1-inch shoot growth on it today, and more rains in the weather forecast. It is time to think about Phomopsis! What happen… Read more

Bud break (for us)!!

It looks like the 2017 season for us has officially begun. Our 8 years old Chardonnay at Virginia Tech’s Winchester AREC was about 10% bud break as of yesterday. Despite… Read more

Early season disease reminder: Phomopsis cane and leaf spot

Our Chardonnay and some of the hybrid vines are in bud swell stage as of this week, and others are tagging along.  It looks like we will see bud break… Read more

Presentations and handouts from Weekend Warrior IPM workshop

It was very nice to see you all at the Weekend Warrior Grape IPM workshop. I think we had a very good time with lots of discussions. Hopefully to see… Read more
© 2025 Virginia Grape Disease Updates - Theme by WPEnjoy · Powered by WordPress