Damages from Monday’s frost event showed up a few days after. About 5-10% of shoots (or leaves) on our Merlot vines which is located near the bottom of a hill… Read more
Looks like some of us got a frost bite here and there. I hear some people got mid-20’s this morning. It is probably too early to tell, but most of… Read more
Well, it looks like finally we have some break from rains. In Winchester area, rain started around 9AM on the 6th, and although there were a few interruptions, relative humidity… Read more
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
The total hours of wetness was about 18h with the average temperature at 50-56F. It was long and warm enough for both Phomopsis and black rot. Also, these spring rains… Read more
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
Here comes 2013 version of “Workbook for Developing an Effective Fungicide Spray Program for Wine Grapes in Virginia“. Although I finished it a few weeks ago, and used in… Read more
Both Chardonnay and Merlot are near 100% bud break as of today. At this point, one disease to be considered is Phomopsis cane and leaf spot. If you have a… Read more
The two hot days we had pushed things quickly. Our Chardonnay buds are swelling and some are even broke. Our Merlot is bit behind, but not by much. Cab sauvignon… Read more
It looks like things are finally warming up! We will see how it will go next week. I updated my spray guide for non-bearing grapevines. This guide also contains basic… Read more