Blogs

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

My slides from the VVA meeting Thank you for attending the workshop! Please see my slides below. I hope to see you at one of our IPM workshops!
Pest Management Guides, 2026 Here are the 2026 editions of our Pest Management Guides (PMG). Click the link to open a PDF. Commercial grapes Home garden
2026 Winter Grape IPM and Disease/pest ID workshops We will host a series of grape IPM and disease/pest ID workshops in March to kick off the season! Grape IPM workshops (Fee: $20, Check ONLY)3/4/2026: Nelson Co. Extension Office, 9 AM – 3:45 PM3/11/2026: Loudoun Co. Extension Office, 9...
Grape Disease Risks: 9/24-10/1/2025, an 8-day downy mildew forecast, and slides from the previous meeting – last weekly update for the season. Grape disease risks from the NEWA Here is 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...
Grape Disease Risks: 9/17-9/25/2025, and an 8-day downy mildew forecast Grape disease risks from the NEWA Here is 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...
Grape disease risks 9/10-17, and ~8-day downy mildew forecast Grape disease risks from the NEWA Here is 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...
Grape disease risks: 9/4 – 9/10/2025 and 8-day downy mildew forecast Grape disease risks from the NEWA Here is 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...
Grape disease risks: 8/27-9/3/2025, an 8-day downy mildew risks, and upcoming AHS AREC Events Grape disease risks from the NEWA Here is 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...
Grape Disease Risks: 8/20-8/27, and an 8-day downy mildew forecast Grape disease risks from the NEWA Here is 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...
Grape Disease Risks 8/13-8/20/2025, and an 8-day downy mildew forecast Grape disease risks from the NEWA Here is 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...