Grapevine Leafroll Disease: Detection, Transmission, and Management

Grapevine Leafroll Disease Seminar hosted by Napa Valley Grapegrowers, Napa Valley Vineyard Technical Group, and UC Cooperative Extension:


Leafroll Disease: Detection, Transmission & Management

Tuesday, Feb. 28, 2012

8 a.m. – Noon

Yountville Community Hall

6516 Yount Street, Yountville

Registration begins at 7:30 a.m. with coffee and pastries

8 a.m. Introduction: Concerns about Leafroll Disease for Growers

Randy Heinzen, Beckstoffer Vineyards

8:15 Laboratory Testing: Everything Growers Need to Know

Vicki Klaassen, UC Davis, Foundation Plant Services

8:45 Beyond Laboratory Testing: Other Potential Methods for Monitoring Leafroll Disease in the Vineyard

Matthew Staid, Vine View Imaging

9 Leafroll Disease Transmission Ecology: How do the Viruses Move?

Rodrigo Almeida, UC Berkeley

9:45 Managing Mealybugs as a Vector of Leafroll-Associated Viruses

Kent Daane, UC Berkeley

10:30 Break

10:45 Working Together to Combat Leafroll Disease: Strategies for Neighborhood Groups

Neil McRoberts, Department of Plant Pathology, UC Davis

11:30 What is the Future for Clean Plant Material?

Deborah Golino, UC Davis, Foundation Plant Services

Noon: Conclusions: BMP’s (clean plant material), testing, other red leaf concerns, management and economics

Monica Cooper, Napa County Viticulture Farm Advisor


NVG & Vit Tech Member Admission: $15*

* Seminar Co-Hosts, the University of California Cooperative Extension & Napa Valley Vineyard Technical Group, are covering $45 of the regular $60 seminar admission fee for members of both organizations

General Admission: $90

NVG Season Pass Event: $250 per person

(includes the 3-part Sustainable Vineyard Practices Series, Ahead of the Curve & the Organic Winegrowing Conference)

To register, visit or call the NVG office (707) 944-8311.