2012 version of home garden fungicide list

Finally, I had a time to update a list of fungicides for home garden grape production.  This updated list contains name of fungicide products that you can purchase from home… Read more

Bud Break!

Our 4-yr old Chardonnay was about 10% bud break yesterday (the 21st) morning.  Our 4-yr old Merlot was <5% bud break. Older vines are still holding off. Well, the season… Read more

Fungicide planning template 2012

Thanks for those of you attended our first annual grape IPM workshops!  The number of attendee was about 110 people! I am still working on the 2012 version of the… Read more

Removal of clusters and canes from the vineyard?

I just saw Tony sent an email this afternoon to discuss about the sanitation issues.  I want to add a few more comments here to discuss this important issue.  (by… Read more

2011 Fungicide Spray Guide for Bearing vines, 2nd Ed.

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

What may happen on a vineyard floor this time of the season

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

Rate of sulfur treatment

Tony sent out March-April issue of Viticulture Notes yesterday. Along with the newsletter, he sent my fungicide spray guideline for 2010. If you haven’t received it, please let me know… Read more

Pruning wound treatments

I had several inquiries on the pruning wound protection in last few weeks, so, here’s some information about it. Pruning wound treatment has been discussed in different places and with… Read more

I’ll be out of office until 8/11

I’m at a conference until 8/11. In the mean time, we will have a vineyard meeting at Winchester AREC on 8/5. I cannot attend, of course, but I prepared a… Read more

More rains in the forecast

Rain on this Monday did not last long, but since it started later in the day, the relative humidity was high (>90%) until next morning. Thus, we had >15 hours… Read more
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