Grape Disease Risks: 5/22 – 5/29/2024

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… Read more

Grape Disease Risks: 5/15 – 5/22/2024

At Winchester, our Chardonnay vines are in the trace bloom stage. This is the earliest bloom since I joined VT in 2009. Here’s a snapshot from the last week, showing… Read more

Grape Disease Risks: 5/8 – 5/15/2024

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… Read more

Grape Disease Risks: 5/1 – 5/8/2024

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… Read more

Slides from today (including disease risks from the past four weeks)

Thank you again for joining the session earlier today. Please see my slides below. We also discussed the requirement to check the limited area for restricted pesticides. Please visit this… Read more

Grape Disease Risks 4/12 – 17/2024

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… Read more

Grape Disease Risk Assessment for this week plus a link to this year’s Pest Management Guides

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… Read more

Slides from yesterday and first NEWA map for the season

Thanks for joining us yesterday. Please see my slides below. Here’s a snapshot from the last week, showing the number of days with the risk of each disease: Ph =… Read more

2024 VCE Virtual Vineyard Meetings, starting April 5th at 1 PM

Dear all, We will hold monthly virtual vineyard meetings again this year. A team of researchers at Virginia Tech, Dr. Drew Harner, Dr. Mizuho Nita, and Mr. Tremain Hatch, will… Read more

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… Read more
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