Leaf Removal – What, When and Why | Eliminación de hojas – ¿Qué?, ¿Cuándo? y ¿Por qué?

A changing climate and increased mechanization in vineyards has increased the options available to viticulturists when addressing leaf pulling. Dr. Patricia Skinkis will present current research from Oregon on the implications of timing and new practices on fruit quality and style. Dr. Stefano Poni will summarize the principles of early leaf removal and present modalities to achieve full and partial mechanization of this important vineyard practice.

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Speaker Bios

Dr. Stefano Poni is full professor of viticulture and past chair of the department of sustainable crop production at the Università Cattolica del Sacro Cuore in Piacenza, Italy. He is the director of the International Master VENIT (Viticulture and Enology: Innovation meets Tradition). Stefano has authored or co-authored 257 papers, 136 of which have been published in international peer-reviewed journals and 43 edited in international refereed proceedings.

Stefano has been an invited speaker at 37 conferences worldwide. He has been awarded the “”Perdisa”” prize in 1994, the “Enotecnici” prize in 2004, and the Rudolph Hermanns Foundation Prize in 2011. He won the “2013 Best Paper Award” from the American Society of Enology and Viticulture. Stefano is a peer reviewer for 21 scientific journals and has been associate editor for the American Journal of Enology and Viticulture since 2006 and associate editor for the Australian Journal of Grape and Wine Research since 2014. He was a member of the national evaluation panel for assessment of the quality of research in Italy from 2011-2014.

Dr. Patty Skinkis conducts applied research at Oregon State University and provides outreach and education programs for the Oregon winegrape industry. Her research program focuses on applied viticulture and whole plant physiology studies designed to understand causes and management of vine vigor/vine balance and impacts on fruit composition and wine quality. As extension specialist, Patty develops educational programs and informational publications for the industry statewide. Her outreach efforts include bringing industry members together in technical groups to foster information exchange between the University and industry. She also teaches undergraduate and graduate level viticulture courses at OSU. Her efforts expand beyond Oregon, as she is a member of the National Clean Plant Network—Grapes advisory board, is an associate editor for the American Journal of Enology and Viticulture and Catalyst Journal, and is president of the American Society for Enology and Viticulture 2020-2021.

More Resources from the Session

Download Slide Presentation (Poni)

Download Slide Presentation (Skinkis)