Winemaking for Challenging Environments Symposium

Speakers representing regions with cold, warm, and hot climates throughout the U.S will address environmental challenges from the vineyard to the winery. Conditions contributing to challenging environments will be introduced. The program’s focus will be on some of the viticultural and enological issues arising from environmental challenges. Topics include vineyard management to make the best of a challenging situation, improving must and wine quality in the winery (e.g., green flavors, phenols, acid-pH balance) and variety development for these climates (fruit/wine quality and cold hardiness) including for Pierce’s disease.

Symposium Organizing Committee:
Sara Spayd (Chair), North Carolina State University, Raleigh
Ed Hellman, Texas A&M AgriLife Extension and Texas Tech University, Lubbock
Andrew Walker, University of California, Davis


8:00 am – 8:05 am Welcome
Jim Kennedy, CSU Fresno, ASEV President
8:05 am – 8:25 am Introduction: Premise for Challenging Environments
Sara Spayd, North Carolina State University, Raleigh
8:25 am – 9:10 am Dealing with Environmental Challenges in the Vineyard: Delivering the Best Product to the Winemaker
Ed Hellman, Texas A&M AgriLife Extension and Texas Tech University, Lubbock
9:10 am – 9:55 am Snake Oil or Alchemy-Techniques to Salvage a Vintage in the Winery
Misha Kwasniewski, University of Missouri, Columbia
9:55 am – 10:15 am Break
10:15 am – 11:00 am Origin of Green Flavors in Wine and Their Management
Justin Scheiner, Texas A&M AgriLife Extension, College Station
11:00 am – 11:45 am Managing Acidity and pH in Wine
Roger Boulton, University of California, Davis
11:45 am – Noon Q&A
Noon – 1:30 pm Lunch on own
1:30 pm – 2:15 pm Malolactic Fermentation under Low pH Conditions
Thomas Henick-Kling, Washington State University, Tri-Cities
2:15 pm – 3:00 pm Color and Phenolic Issues
Anna Katharine Mansfield, Cornell University, New York
3:00 pm – 3:15 pm Break
3:15 pm – 3:45 pm From Elmer Swenson to Chardonel
Peter Hemstad, University of Minnesota
3:45 pm – 4:30 pm New Possibilities: Hope for Pierce’s Disease Regions?
Andrew Walker, University of California, Davis
4:30 pm – 5:00 pm Panel Discussion:
Mike Sipowicz, Texas Custom Wine Works, Texas
Additional Panelists To Be Confirmed