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

Announcement from the Virginia Pesticide Collection Program Please see the information below for Pesticide Collection! Virginia’s Pesticide Collection Program assists agricultural producers, licensed pesticide dealers, pest control firms, golf courses and homeowners with the proper disposal of unwanted pesticides. The program is an effort by the Virginia...
2026 Monthly Virtual Viticulture Meetings We will host the 2026 Monthly Virtual Viticulture Meeting. Following last year’s format, we will hold meetings on the first Thursday of each month at 1 PM. The first meeting will be on 4/2. Our viticulturist, Dr. Drew Harner, and...
Pruning Workshop 3/9/26 at Winchester AREC I forgot to advertise this event… Pruning Workshop When: 3/9/2026, 9 to 12 PMWhere: AHS Jr. AREC, 595 Laurel Grove Rd., Winchester, VA 22602When you come in, please enter the main entrance to meet us. No registration required! Agenda 8:30-...
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...