Here’s an updated version of 2011 spray guide. It is essentially the same as the one went out with the Viticulture Notes. Typos, some minor items, and grammatical mistakes were… Read more
Winchester area received a series of rain event since the morning of 4/22/11. The first event started at 9:40AM on 22nd, and lasted until 12:40PM on 23rd. Since the relative… Read more
Winchester area received a light rain (0.02 inches) during early hours today. It started around 1AM and even though the rain stopped soon, the relative humidity was above 90% until… Read more
At Winchester, we received 0.25 inches of rain on 4/19/11. It started from 9:20AM and lasted until 4:20 PM or so, and the relative humidity was above 90% until 5:00… Read more
During this winter, I received a few questions about a sanitation (= removal of infected tissues) as a part of disease management. Our understanding is that most of the grape… Read more
The rain events on 4/16/11 at Winchester started on 4:20AM and lasted until 9:40PM or so, and then the relative humidity was high (>90%) until 10:20PM. Thus, this potential infection… Read more
We will have this year’s first vineyard meeting on 4/27/11 at De Vault Vineyards. I will present seasonal reminder on grape disease management and Tony and/or Tremain will provide viticulture… Read more
I meant to post this message on Friday, but I could not find a time for it. As of Thursday (4/14/11), I counted buds of 50-60% and 30-40% of Chardonnay… Read more
I counted 10-15% and 30-40% of our Chardonnay and Merlot vines, respectively, are having buds that are swelled noticeably a few days ago, and today’s counts were 40-50% and 70-80%… Read more
It is hard to believe, but it has been almost one year since our horticulturist, Dr. Rongcai Yuan passed away. We will hold a one-year memorial event on April 14th… Read more