Early Season Black Rot (revised)

I received three emails from different vineyards (Southern, Northern, and Central VA) with black rot pictures.  Yes, it is a little early for us to talk about black rot, but… Read more

Reminder: Vineyard meeting at Barren Ridge

As Tony noted in his email, we will have a vineyard meeting on this Wednesday. April 25th  Barren Ridge Vineyards, http://www.barrenridgevineyardsva.com/                   John and Shelby Higgs                   984 Barren Ridge… Read more

Disease risks from on-goin rain

A series of rain events started around 3:00 PM on 21 April in Winchester area.  We are still receiving some precipitations today, and the relative humidity was high (>90%) all… Read more

Disease risks from yesterday’s rain

Winchester area received a series of rain events from 5:30AM on 18 April.  It lasted about 10 PM.  Since the rain stopped at night, leaf wetness is still on-going (i.e.,… Read more

Disease risks from yesterday’s rain

There was a very short shower went through Winchester area around midnight last night.  It lasted about 1.5 hrs, the air was relatively dry (~80% RH), and the average temperature… Read more

Vineyard meeting tomorrow!

It is just a reminder that we will have a vineyard meeting tomorrow, starting at 11 AM at Horton vineyard and winery, then move to Barboursville.  Tony, Tremain, and I… Read more

Disease risks from 4/9/12 precipitation

Winchester area received some precipitation last night; however, the length of the rain event was short (30-40 min), the average temperature was low (48-49F), and relative humidity did not stay… Read more

2012 Fungicide Workbook

Here comes 2012 version of “Workbook for developing an effective fungicide program for Wine grapes in VA” (<- click to download a pdf file).  If you receive Tony’s Viticulture Notes,… Read more

Disease risks from 4/2/12 precipitation

Rain from yesterday (4/2/12) started around 9PM on 4/1, and lasted until 2:30AM or so.  The RH was high (>90%) until 3:55AM, thus this was about 7 hours of wetness… Read more

Frost damage from 3/27/12

As of 3/29/12, about 20% of our Chardonnay buds and shoots are showing the injuries from the frost event on 3/27/12.  Damages on Merlot is about 5%.  I hope your… Read more
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