WSU CAHNRS

WSU Viticulture and Enology

Research and Extension

Grape Virology program

Advancing prosperity of the grape and wine industry in Washington State

The Washington State Grape and Wine Industry has identified management of virus diseases impacting fruit quality and vine health as a key research priority for achieving the central goal of tripling the economic value of the industry by 2020. The Grape Virology program at WSU-Irrigated Agriculture Research and Extension Center (IAREC) in Prosser is responding by establishing an integrated program of research, extension, and education.

3-D approach:

- Discovery of knowledge
- Development of tools and techniques, and
- Deployment of knowledge-based strategies

Goals:

- Better understand the biology and epidemiology of virus diseases in Washington vineyards
- Develop management strategies to mitigate negative impacts of virus diseases on vine health and fruit and wine quality

Fundamental and applied research on wine grape virus diseases has been done in a holistic manner through interdisciplinary and trans-institutional collaborations, drawing expertise and funding from a variety of sources. Established partnerships with grape and wine industry stakeholders and regulatory agencies translate science-based knowledge into practical applications via extension and outreach programs.

Outcomes:

- Promotes sustainable growth of a high-value perennial fruit crop contributing to Washington State’s economic prosperity
- Creates experiential education opportunities for Viticulture and Enology undergraduate students to interact with industry professionals and gain professional, essential life skills to become future leaders of the wine industry
- Demonstrates practical agricultural and basic science impacts, and benefits other grape-growing regions, creating a global scope for the grape virology program at WSU-IAREC

Naidu Rayapati

Naidu Rayapati

Naidu Rayapati says, “Multidisciplinary research is often the most effective approach to develop solutions to complex problems in agricultural production systems. The long term goal of our grape virology program is to promote healthy growth of the state’s wine grape industry by being the primary resource for contemporary, science-based information on diseases of wine grapes and their management. Our main objective is to work with growers in a participatory approach and provide them with best management practices to deal with diseases.”

Contact

Dr. Naidu A. Rayapati
Associate Professor (Virology)
Department of Plant Pathology
Irrigated Agriculture Research & Extension Center
Washington State University
24106 N. Bunn Road, Prosser, WA 99350, USA
Phone: 509-786-9215
Mobile: 509-788-5350
Fax: 509-786-9370
naidu@wsu.edu

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Fact sheets & Bulletins

  • Major Grapevine Diseases: Fanleaf and Leafroll [English]
  • Grapevine Leafroll Disease [English]
  • Grapevine Leafroll Disease [Spanish]

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