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Nita lab

Grape Pathology lab at Virginia Tech
  • Research
    • trunkdiseaseID.org
    • SCRI Trunk disease project
    • Cumberland-Shenandoah Fruit Workers Conference
  • Extension
    • GrapeIPM.org
    • Virginia Sentinel Vineyard Project
    • VCE Grape Disease Management YouTube Videos
    • Community, Local, and Regional Food Systems
    • Maryblyt
  • Resources
    • AHS AREC GP Weather Station Data
    • Resources for the Lab
    • Reading
    • Writing
    • Nita lab internal use
  • 日本語
  • Research
    •         - trunkdiseaseID.org
    •         - SCRI Trunk disease project
    •         - Cumberland-Shenandoah Fruit Workers Conference
  • Extension
    •         - GrapeIPM.org
    •         - Virginia Sentinel Vineyard Project
    •         - VCE Grape Disease Management YouTube Videos
    •         - Community, Local, and Regional Food Systems
    •         - Maryblyt
  • Resources
    •         - AHS AREC GP Weather Station Data
    •         - Resources for the Lab
    •         - Reading
    •         - Writing
    •         - Nita lab internal use
  • 日本語

Category Archives: Writing

＊＊＊　日本ワインブドウ栽培協会 会員限定 ワインブドウ用抗カビ剤検索サイト　＊＊＊

By MizuhoJune 26, 2023WritingJVA

Today’s achievement by Mizuho was 35 min!!!

By MizuhoSeptember 20, 2016Writing

Today’s achievement by Mizuho was 35 min!!!

By MizuhoSeptember 20, 2016Writing

Writing category

By MizuhoSeptember 20, 2016Writing

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RSS feed: Virginia Grape Disease Updates Virginia Grape Disease Updates

  • Grape Disease Risks: 8/12-8/19/2026 and Downy Mildew Forecast August 20, 2026
    Grape Disease Risks: 8/12-8/19/2026 NEWA is an Agricultural Weather Station Network, and we are part of the team. Here is a snapshot from last week showing the number of days with risk for each disease: Ph = Phomopsis, PW = Powdery...
  • Grape Disease Risk: 8/5-8/12/2026 and Downy Mildew Forecast August 12, 2026
    Vine Status The majority of Chardonnay clusters are in the middle of veraison. For some reason, our Merlot dodged the frost, and its clusters started to accumulate sugars. Grape Disease Risks: 8/5-8/12/2026 NEWA is an Agricultural Weather Station Network, and we...
  • Grape Disease Risks: 7/29-8/5 and Downy Mildew Forecast August 5, 2026
    Grape Disease Risks: 7/29 – 8/5/2026 NEWA is an Agricultural Weather Station Network, and we are part of the team. Here is a snapshot from last week showing the number of days with risk for each disease: Ph = Phomopsis, PW...
  • Weekly Grape Disease Updates, Seasonal Disease Management Reminders, and a List of short PHI materials. July 29, 2026
    Vine Status We received much-needed rain (~0.9 inches) yesterday! Many Chardonnay, Chardonel, and Vidal clusters are getting soft and approaching veraison. Some others, e.g., Frontenac and many table grapes, are at different stages of veraison. Grape Disease Risks: 7/22-7/29/2026 NEWA is...
  • Grape Disease Risks: 7/15-22/2026 and downy mildew forecast July 22, 2026
    Vine status Some table grapes started veraison. One early cultivar (Everest, not pictured) had one cluster survive the frost and start to accumulate sugar. Many Chardonnay clusters are at bunch closure. Vidal is at bunch closure; some others, e.g., Chardonel...
  • Grape Disease Risk: 7/8-7/15/2026 July 15, 2026
    Vine status If anything, this year has been a Phomopsis year! These spots on the leaf in the picture are Phomopsis lesions. You do not need to manage this disease right now. We will manage them next spring. Many Chardonnay...
  • Grape Disease Risks: 7/2-7/8/2026 and Downy Mildew Forecast July 8, 2026
    Vine status Still behind on canopy management, and vines are filling the canopy with many laterals. Some of the Chardonnay clusters on primary shoots are at bunch closure, and others are BB-size. Hybrids and table grapes are a bit more...
  • Grape Disease Risks: 6/24-7/1/2026, Downy Mildew Forecast, and EPA Public Comment July 1, 2026
    Vine status Still behind on canopy management, and vines are filling the canopy with many laterals. Hybrids and table grapes are a bit more consistent with fruits. Vidal is pea-sized; some others, e.g., Chardonel, Frontenac, were almost at the bunch...
  • Grape Disease Risks: 6/17-24/2026, and Downy Mildew Forecast June 24, 2026
    Vine status We hedged our Chardonnay vines this week. Still behind on canopy management, as you can see in the picture above. Hybrids and table grapes are a bit more consistent with fruits. Vidal is BB-size, some others, e.g., Chardonel,...
  • VA Grape Disease Risks:6/10-6/17/2026, and downy mildew forecast June 17, 2026
    Vine status I found several third instars of spotted lanternfly (toward upper right, just below the catch wires) and ants enjoying their honeydew on a leaf. The situation is similar to last week. Our Chardonnay vines are reaching the top...
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