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Discipline: Grape pathology

Investigator: Mizuho Nita

Title: Virginia Grape Disease Updates

Description: Seasonal updates on wine grape disease management, extension meeting announcements, and other related topics from a grape pathology lab at AHS AREC.

Virginia Grape Disease Updates

  • Reminders for early-season grape disease management Phomopsis cane and leaf spot One of the diseases you need to consider soon after bud break is Phomopsis cane and leaf spot. It causes minor leaf spots, which are more evident to our eyes, but necrotic lesions cause more...
  • Spring Viticulture Meetings, 2024 There will be a couple of vineyard workshops focusing on pest management.  These meetings have a hybrid format; you can meet in person or join the meeting through Zoom. Please register for the meetings: https://forms.gle/T4vdn1e3TxQ4zxez5 21 March, Vineyard IPM Workshop from...
  • Last disease risk post and Second report from the Sentinel Vineyard Project Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and DM = Downy mildew. At this point, you can ignore...
  • Grape Disease Risks 9/6 – 9/13/2023 According to the Sentinel Vineyard Core Group discussions, many growers are harvesting early season cultivars right now. Sugar accumulation and the cleanliness of the crop has been particularly good this year. We will see how it will translate into the...
  • Sentinel Vineyard Newsletter, upcoming Virtual Vineyard Meeting, and SLF survey Sentinel Vineyard Newsletter Here’s is our newsletter #1 for this year. Virtual Vineyard Meeting Our next Virtual Vineyard Meeting (and will be the last one for the season) will be held next Thursday (9/14/2023) from 1 PM. If you have...
  • Grape Disease Risks 8/30 – 9/6/2023 Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and DM = Downy mildew. At this point, you can ignore...
  • Grape Disease Risks 8/23 – 8/30/2023 Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and DM = Downy mildew. At this point, you can ignore...
  • Grape Disease Risks 8/16 – 8/23/2023 Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and DM = Downy mildew. At this point, you can ignore...
  • Grape Disease Risks 8/9 – 8/16/2023 Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and DM = Downy mildew. At this point, Phomopsis and black...
  • My slides from today’s meeting Thank you for joining our virtual meeting today. Here are my slides. Plus, PSU SLF management site that Tremain mentioned.