Pest Management Guides 2023

Dear all, Here are links to the new Pest Management Guides. It should open a pdf file. If the link becomes inaccessible in the future (it happened last year), please… Read more

Grape disease risk events: 4/21/2023 – 4/27/2023

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… Read more

Grape disease risk events: 4/12/2023 – 4/20/2023

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… Read more

Grape disease risk events: 4/4/2023 – 4/11/2023

It looks like pretty much all of us are experiencing a bud burst 2-3 weeks ahead of a typical year (which seems to happen rather rarely nowadays). Based on the… Read more

Registration link to our monthly virtual viticulture meeting series

Dear all, It looks like the 2023 season has started for many of us. I saw some bud breaks in central VA last week, and our Chardonnay started to open… Read more

2023 Fungicide application template

Please find an updated version of the fungicide application template at the end of this post. As usual, I thank Mr. Robert Ramsey, who shared his original template.  This is… Read more

Early Season Grape Disease Management Reminders

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

Reminder on grape disease management workshops next week

Vineyard workshops from Virginia Tech/VCELink for registration: Disease management and grapeIPM.org workshops March 29 from 2 PM to 4 PM: Grape Disease Management Workshop, Loudoun Co. Extension office (750 Miller… Read more

Slides from Ohio and Pennsylvania meetings, plus a few announcements.

It was great to see you at the Ohio Grape and Wine and Pennsylvania Wine and Grape Industry Conferences. Here are my slide sets. Ohio: Late season grape rots: identification… Read more

Presentation slides from the VVA and Eastern Viticulture and Enology Forum

It was really nice to see you all at the VVA. Please find my presentation slides from the meeting. The first file is the same as I presented at the… Read more
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