Potential disease events coming up

Looks like we will rains throughout the week.  Our chardonnay vines are about 1-2 inches shoot length, and we have been spraying mancozeb and sulfur this morning to provide protection… Read more

Early season disease management

Looks like we are expecting three days with high chance of rain from Monday.  I sprayed our vines with mancozeb (3 lb/A) and sulfur (3 lb/A) yesterday. At this point… Read more

Disease risks from the 24th

I was out of town, and I did not realize it, but Winchester area received precipitations from a thunderstorm on the night of the 24th.  Since relative humidity was not… Read more

Home stretch!

I think many of you are either harvesting or getting ready for it.  We harvested our Chardonnay and Merlot yesterday. (Of course most of them are damaged due to our… Read more

Initial infection event for powdery mildew

Well, it typically won’t happen until May or so, but under this weather conditions, you cannot expect the usual trend.  Often time, powdery mildew is common under dry weather because… Read more

Rains and rots

Boy, it has been a rainy month of September!If you are subscribing to Mark Chien’s “Wine Grape Information from Penn State”, you probably seen this, but here’s a link to… Read more

Disease risks from weekend’s rain

Irene stayed little longer than I expected in our area.  At the end of Sunday, Winchester area received a total of about 0.5 inches of rain. I was monitoring the… Read more

Irene update 4

I hope none of you (and your crops) were severely affected by Irene.  Although southeastern part of the state saw more of it (e.g., Richmond area received 3-4 inches of… Read more

Irene update 3

It looks like Irene’s path has been moved more to the east. Eastern shore area may still receive some rain, though. Read more

Irene update

Just an update on Irene.  The predicted path has not changed much as of today.  Southern VA and some part of Northern VA may be affected during this weekend. Read more
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