Coffee Shop Blog
Eutypa Dieback in Northern California Vineyards (Part II of III)
Welcome to part two of a three part Coffee Shop series on understanding and managing trunk diseases in Lodi vineyards. In part one of this series we discussed how to identify trunk canker diseases, practices to prevent them, and management strategies for new and...
Surface Renewal: A New Tool for Managing Vine Stress and Simplifying Irrigation Decisions
Irrigation management affects the quality of winegrapes (Chapman et al. 2005). Achieving quality standards is essential for economic viability, and research conducted by the Commission's Matthew Hoffman and his UC Davis colleagues found that winegrowers in Lodi, the...
Disruption of Vine Mealybug Mating
The invasive vine mealybug (VMB) is a carrier of grapevine leafroll-associated viruses (GRLaV) and, therefore, among the most damaging grapevine pests in the United States. While a variety of chemical and biological controls have been developed to target the VMB, none...
Frost 101: Understanding Frost in Vineyards
All winegrape growers know what frost is, but not everyone understands the physics behind how it develops. Such an understanding is useful when figuring out how to protect your vines from frost damage. This article was written by Steve Hammersmith, president of Shur...
Introducing Larry Whitted – Coffee Shop Contributor
The newest contributor to the Coffee Shop is Larry Whitted, an independent pest control adviser (PCA)based in Lodi. Larry graduated from the Pest Management Program at U.C. Berkeley in 1980 and now has 34 years of experience as a PCA working with fruit and nut crops...
Video Series: Extending Orchard IPM Knowledge in California
I want to share with Lodi growers and local PCAs this new UC Cooperative Extension library of video interviews with IPM scientists, educators, and practitioners. I hope you find this resource interesting and useful. The Integrated Pest Management approach has done...
Guide to Managing Vineyard Trunk Disease in Lodi (Part I of III)
Most vineyards in California are likely infected with trunk diseases (wood-canker). The main diseases are Botryosphaeria dieback, Esca, Eutypa dieback, and Phomopsis dieback. The infections are chronic and accumulate over time. Infected vines become less profitable...
Introducing Paul Verdegaal – Coffee Shop Contributor
As our county’s University of California Cooperative Extension viticulture Farm Advisor, Paul Verdegaal is among the most trusted people in Lodi when it comes to advice about vineyard management. In fact, my Ph.D. research found Paul to be the most connected...
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