Nita lab

Grape Pathology lab at Virginia Tech

Research
Extension
Resources
日本語

Research
Extension
Resources
日本語

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Virginia Grape Disease Updates

Recent grape disease risk events June 12, 2021
It looks like we all received much-needed rains, which is good for vine growth. However, since most of our vines are still within the critical period for cluster infection by downy mildew, powdery... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
A quick reminder about downy mildew May 31, 2021
Just a quick note that recent rain events were risk events for downy mildew based on the NEWA DMCast model. It seems that northern VA received more and longer rain events. In addition, we may see... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
At bloom disease management tips May 18, 2021
Recent cooler weather seems to have slowed down vine development, but it looks like vines in the south are about to bloom. Bloom is a start of the critical time for cluster infections by downy... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
A quick note on Pierce's Disease management May 13, 2021
Since the past winter was more or less steady and mild, in terms of temperature fluctuations, there are less likely that many of us saw the minimum temperature at 15F or lower. For example, at... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
Slides from today's virtual meeting and RSS feed April 22, 2021
Thank you to those of you who were able to join us today. Here are some of the items we discussed. Slides from today's presentation (will open a pdf file in a new window)RSS feed address for... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
VCE Vineyard meetings and update on the commercial grape PMG April 20, 2021
Upcoming virtual vineyard meetings The viticulture group at the AHS Jr. AREC will be hosting a series of four monthly, on-line viticulture meetings starting Thursday, 22 April 2021. The content of... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
Start of the 2021 season! April 14, 2021
Our eight years old chardonnay is about 50% bud break as of yesterday, and I am sure that growers in the south have seen buds and shoots already with the early season cultivars. Although the chance... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
Reminder for Phomopsis management April 6, 2021
It looks like our Chardonnay buds are swelling, which probably means that growers in the south and central Virginia either start to see bud break. Then the forecast is calling for rains next week. I... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
Grape Disease Management Workshops and grapeIPM.org training March 26, 2021
If you wish to attend upcoming grape disease workshops and grapeIPM.org training, please register using this form (CLICK this line) so that I can send you an invitation to the lecture... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]
2021 Pest Management Guides for grapes (UPDATED 24 March 2021) March 24, 2021
Updated: Links below are for the 2021 edition of Pest Management Guides. The first one is for home gardens, and the second is for commercial productions. I asked them to provide by chapter (= crop)... [[ This is a content summary only. Visit my website for full links, other content, and more! ]]

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