At Winchester, the night time relative humidity has been still very high, close to 100%, in nearly every nights in the past three weeks. In addition, we have been observing… Read more
Most of us are about to finish the critical time when clusters are susceptible to infection by downy mildew, powdery mildew, and black rot. This critical time varies by varieties,… Read more
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
It has been pretty wet week so far. At Winchester, we observed about 11 hours of wetness on the 26th with an average temperature of 64F, 50+ hours (and counting)… Read more
Most of us are about to finish critical time when clusters are susceptible to infection by downy mildew, powdery mildew, and black rot. This critical time varies by varieties, but… Read more
Some of our early cultivars such as Alandale is changing it color. It is just a matter of time to see other cultivar to enter phase of veraison. Hopefully, we… Read more
Most of us are about to see the end of critical time for berry infection by black rot, powdery mildew, and downy mildew. Please keep up as much as you… Read more
It finally stopped raining, but we (Winchester area) are having an on-going wet event since 10/9/13. I counted >108 hours of wetness with an average temperature of 54F (ranging from… Read more
I received comments from Anton on the previous post about Botrytis. He is more concerned about Rovral (=Meteor), Vangard, and Scala than I indicated. I wasn’t very clear on the… Read more
There are still a chance of an afternoon rain, but here are estimated disease risks from rains from yesterday to this morning. We had about 16 hours of an estimated… Read more