Research Results

Click a title below to view a research summary or narrow your search by entering a specific search term or topic.  You can find research summaries keyword, funding year, primary investigator or category using the search boxes at right. Project summaries are available for every year since 1991.

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Development of Next Generation Rootstocks for California Vineyards

2015 Screening of crosses for salt resistance – chloride exclusion…

Improvement of Wine Quality: Tannin and Polymeric Pigment Chemistry

Seven vintages of UC Davis Oakville Cabernet Sauvignon spanning…

Managing Protection of Varietal Aromas From Wine Oxidation

In order to investigate the reactions of quinones with unknown…

Assessments of Difficult to Ferment Juices

The goal of this project is to uncover the causes of chronically…

Targeted Genome Editing for Trait Improvement in Vitis vinifera

Targeted genome editing to modify gene expression has rapidly…

Evaluation of New Winegrape Varieties for the San Joaquin Valley

Fifty six different red and white wine grape selections originating…

Evaluation of Grapevine Rootstock Selections

A team of academic, government, and industry partners developed…

Biology and Spread of Grapevine Red Blotch-Associated Virus

Grapevine red blotch-associated virus (GRBaV) is the causal agent…

Tannin Structure-Activity Relation to Red Wine Astringency

Optimizing wine quality with regard to mouth feel is a quest…

Formation of Volatile Sulfur Compounds in Pinot Noir Post-Fermentation

Development of volatile sulfur compounds (VSCs) post-fermentation…

Defining Crop Load Metrics for Quality Pinot Noir Production in Oregon

A three year study began in 2013 to determine the impact of varying…

Improvement of Wine Quality: Tannin and Polymeric Pigment Chemistry

The task we are undertaking is fundamental. There is currently…

Breeding Rootstocks Resistant to Aggressive Root-Knot Nematodes

The USDA Agricultural Research Service (USDA-ARS) grape rootstock…

Development of Next Generation Rootstocks for California Vineyards

2014 Pollinations – The 2014 crosses are presented in Table…

Extended Maceration

In this study we looked at the effect of extended maceration…

Breeding Rootstocks Resistant to Aggressive Root-Knot Nematodes

Summary: The USDA Agricultural Research Service (USDA-ARS) grape…

Mealybug transmission of Grapevine Leafroll-Associated Virus 3

The overarching goal of this research is to obtain information…