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Sustainable WinegrowingAuthor: Vineyard Team
Get the latest science and research for the wine industry with Sustainable Wine Growing. Vineyard Team brings you industry professionals and experts on resource issues and business trends related to sustainable agriculture to help you put sustainability into practice. Language: en Genres: Education, How To, Natural Sciences, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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290: Fighting Powdery Mildew with UVC Light
Episode 290
Wednesday, 19 November, 2025
With fungicide resistance on the rise, grape growers are looking for new ways to manage powdery mildew. Lexi McDaniel, Viticulture Extension Specialist at North Carolina State University, explores the science behind using UVC light to combat this grapevine disease by directly disrupting the DNA bonds needed for replication. She shares insights from her trials, including why the light must be applied at night, how often it needs to pass through the vineyard, and how this technique compares to traditional fungicide programs in both cost and effectiveness. Resources: 117: Grapevine Mildew Control with UV Light 197: Managing the Sour Rot Disease Complex in Grapes 219: Intelligent Sprayers to Improve Fungicide Applications and Save Money 235: Battling Fungicide Resistance with Glove Sampling 266: Soft Pesticide Trial: Powdery Mildew, Downy Mildew, Botrytis, and Sour Rot Field-Scale Ultraviolet-C Light Applications to Manage Grapevine Powdery Mildew Grapevine Powery Mildew UV-C Information Introducing UVC applications for powdery mildew control in grapevines Lexie McDaniel North Carolina State Extension Ultraviolet-C (UVC) Light Can Be a Powerful Tool Against Grapevine Powdery Mildew Vineyard Team Programs: Juan Nevarez Memorial Scholarship - Donate Online Courses – DPR & CCA Hours SIP Certified – Show your care for the people and planet Sustainable Ag Expo – The premiere winegrowing event of the year Vineyard Team – Become a Member
