VA grape disease risks from last week and an 8-day downy mildew forecast

[Nita, Mizuho]

Grape Disease Risks: 7/16 – 7/23/2025 and downy mildew 8-day forecast – Virginia Grape Disease Updates

Grape Disease Risks: 7/16 - 7/23/2025 and downy mildew 8-day forecast Grape disease risks from the NEWA Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powde ext.grapepathology.org

See you at the VVA!

Mizuho

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Mizuho Nita, PhD

Associate Professor and Extension Specialist, Grape Pathology

AHS Jr. Agricultural Research and Extension Center, Virginia Tech

595 Laurel Grove Rd., Winchester, VA 22602

Phone: 540-232-6047

Web: http://grapepathology.org