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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Interaction of Red Blotch Virus (GRBV) and Deficit Irrigation on Grapevine Water Relations, Disease Development, and Vine Productivity
A field experiment with two irrigation treatments – wet (W)…
Evaluation of Grapevine Rootstock Selections
The primary purpose of this project is to identify selections…
Developing an Approach to Share Monitoring Data to Advance Coordinated Disease Management Efforts Among Grape Growers
Our objective is to provide technical support for data sharing…
Deep Sequencing for Trunk Disease Diagnostics
The aim of this multi-year project is to develop rapid and cost-effective…
Spacial Patterns in Berry Skin Properties & Their Relation to Varietal, Cultural & Regional Differences in Cracking Susceptibility
The current understanding of cracking/splitting in grape and…
Quantifying Cumulative Wine Oxidation via Acetaldehyde Condensation Reaction Products
In this project, we measured the extent that acetaldehyde reacted…
Red Blotch – Associated Virus
Grapevine red blotch virus (GRBV), the causative agent of red…
Development of the Vineyard Advisor – a Mobile Application for Grape Disease and Pest Management Recommendations
The Vineyard Advisor mobile application was designed to provide…
Molecular Characterization and Improved Detection of Californian Isolates of Grapevine Pinot Gris Virus
Grapevine Pinot gris virus (GPGV) was recently detected in California…
Extension and Outreach through UC Davis Viticulture and Enology On the Road Events
At the end of the 2016-2017 funding cycle, we will have produced…
Integrating Systems Biology with Marker Assisted Selection to Guide the Stacking of Powdery Mildew Resistance Genes
The long-term goal of this project is to develop grape varieties…
Deep Sequencing for Trunk Disease Diagnostics
The aim of this multi-year project is to develop rapid and cost-effective…
The Impacts of Cluster-Thinning and Cluster-Zone Leaf Removal on the Hormone Content of Pinot Noir Grape Berries
During the third year, we confirmed that the relative developmental…
Evaluation of the Viticultural Performance of Newly Released Nematode Resistant Rootstocks in San Joaquin Valley Wine Grape Vineyards
As microscopic plant parasites, nematodes can cause extensive…
Determine the Role of Auxin-Response Factor 4 in the Timing of Ripening Initiation in Vitis vinifera
Auxin-Response Factors (ARFs) together with Aux/IAA proteins…
Evaluation of New Winegrape Varieties for Warm Climate Viticulture in the San Joaquin Valley
Fifty six different red and white wine grape selections are being…
Red Wine Tannin Interaction with Polysaccharides
The objectives of this proposal are to do the following:
…
Development of a Simulation Environment for Pathogen and Pest Spread in Vineyards
The overall goal of this research has been to develop an innovative…
Impact of Pre-Fermentation Cold Soak Conditions on Microbial Populations and Consequences for Wine Aroma
Wine aroma is one of the most important components of wine quality…
Identifying Compound(s) Responsible for Off-flavors associated with “Stressed Vine Syndrome” in Pinot Noir
One of the increased concerns of wine industry is related to…
Comparing Nitrogen Fertilization in the Vineyard versus Supplementation in the Winery on Quality of Pinot noir and Chardonnay Wines and Productivity in the Vineyard
The overall goal of this project is to understand how nitrogen…
Statewide Crop Load Project: A Researcher-Industry Partnership to Understand the Yield-Quality Relationship in Cool Climate Pinot noir and Chardonnay Production
The Statewide Crop Load project was conducted in 13 vineyard…
Investigating Fruitiness Perception in Red and White wines
This report details activities that occurred from August 2017…
Using Post-Plant Nematicide Applications for Nematode Suppression
The spray applications with Movento were made on October 19,…
Evaluating Grape Rootstocks for Nematode Susceptibility
Unfortunately the Phylloxera contamination could not be tolerated…
Coupling Surface Renewal, The VSIM Model, Infrared Thermometry and Plant Water Stress Indicators to Optimize Water Application in Vineyards
Grape growers are in need of improved precision irrigation management…
Breeding Rootstocks Resistant to Aggressive Root-Knot Nematodes
The USDA Agricultural Research Service (USDA-ARS) grape rootstock…
Evaluating the Effect of Grapevine Red Blotch Associated Virus Infection on Vine Nutrition
Principal Investigators:
Rhonda J. Smith,…
Evaluating the Effects of Grapevine Red Blotch-Associated Virus on Symptom Development and Fruit Maturity
A two year study in 2013 and 2014 evaluated the effect of grapevine…
Evaluation of New Winegrape Varieties for the San Joaquin Valley
Fifty six different red and white wine grape selections are being…
Evaluating the Effects of Sterile Membrane and Other Filtration on the Sensory and Chemical Properties of Wine
The goal of our project is to evaluate the effects of sterile…
Assessments of Difficult to Ferment Juices
The major goal of this project is to uncover the causes of chronically…
Deep Sequencing for Trunk Disease Diagnostics
The aim of this multi-year project is to develop rapid and cost-effective…
Characterization of Aroma Volatiles and their Glycosidic Precursors in Grapes and Wines
The complex aroma of wine is derived from many sources, with…
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) was isolated from…
