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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Grape Powdery Mildew Reduction
SUMMARY Spray-Induced Silencing of Grape Powdery Mildew Genes…
Tropical Fruit Aroma in Wine
Summary The overall goal of this project is to produce Chardonnay…
Smoke Taint Sensory Interactions
Evaluate and select Pinot noir and Cabernet Sauvignon wines that…
Raman for Smoke Exposure
During the 2022-2023 funding cycle, we have finished the volatile…
Malolactic Fermentation Timing and Color
The malolactic fermentation (MLF) is a key process in the production…
Field Trials of Biocontrol for Grapevine Trunk Disease
Three bacterial isolates selected from previous AVF grants (2019-2332…
Baseline Smoke-Taint Volatiles and Glycosides
Summary The increasing incidence of wildfires in grape growing…
VRI Scheduling System
Summary: Vineyards face climate change, increasing temperatures,…
Reducing Late Season Berry Dehydration
Summary: Warm, dry conditions can exacerbate late-season berry…
Botrytis Bunch Rot: Who, Where, When, and What to Use
In the 2021 field season, eleven field sites from nine different…
Spray-Induced Silencing of Grape Powdery Mildew Genes to Reduce Powdery Mildew Growth
Powdery mildew is the dominant disease of grapevine. It infects…
Achieving Tropical Fruit Aroma in White Wines: From Winemaking to Consumer Acceptance
The overall goal of this project is to produce Chardonnay wines…
Rootstock Effects on Mature Pinot Noir Growth and Productivity Under Cool Climate, Dry-farmed Conditions
Vine growth, yield, and fruit composition of Pinot noir grafted…
Online Guide to Grapevine Varieties and Rootstocks in the United States
A webpage called Grape Varieties in the USA (https://grapevarieties.info)…
Baseline Levels of Smoke-related Volatiles and their Glycosidic Precursors in California Grapes and Wines
The increasing incidence of wildfires in grape growing regions…
Developing an Efficient DNA-free, Non-transgenic Genome Editing Methodology in Grapevine
Genome editing is a plant breeding innovation that allows rapid…
On-the-go Mapping of Grape Composition in the Field Through Hyperspectral Machine-Vision
This project reports the first six months of activity for this…
Extension and Outreach through UC Davis Viticulture and Enology On the Road Events
By the end of the 2020-2021 funding cycle, we completed three…
The Role of Rootstocks and Single and Mixed Infections of Grapevine Leafroll Associated Virus-3 and Grapevine Virus A in Sudden Vine Collapse
Eighteen blocks in 12 vineyards, located in five different counties,…
Assessment of the Variability in Soil Health Indicators and Incorporating Healthy Soil Management Practices into the Context of Napa Valley Terroirs
Adoption of sustainable soil management practices is becoming…
Controlling Grapevine Trunk Diseases in California
A total of 20 vineyards from 10 counties across California were…
Physiological Responses of Grapevine to Salt Stress and Remediation by CaSO4 Amendments in Central Valley of California
Proper management of salt accumulation in soils is crucial to…
Exploring the Etiology of Berry Shrivel Ripening Disorder: Considerations of Biotic and Abiotic Factors
While there are several disorders affecting grapevine berry development,…
Spray-Induced Silencing of Grape Powdery Mildew Genes to Reduce Powdery Mildew Growth
Powdery mildews are widespread pathogens of grapevine that are…
Evaluating Grape Rootstocks for Nematode Susceptibility
In California grape production is one of the perennial high-value…
Revisiting Tartrate Stability
Despite the claim in the initial proposal that there were no…
Measuring Grape Smoke Taint Protection
Smoke taint has become a recurring issue since 2008, and one…
Tropical Fruit Aroma in Wine
The overall goal of this project is to produce Chardonnay wines…
Grape Smoke Exposure Effects: Determining the Compounds that Cause Smoke Impacts in Wine
The goal of this project is to determine the volatile chemicals…
Rootstock Effects on Mature Pinot Noir Growth and Productivity under Cool Climate, Dry Farmed Conditions
(Year 1) Vine growth, yield, and fruit composition of Pinot noir…
Characterizing Willamette Valley Soil Moisture and Grapevine Response under Drying Seasonal Conditions
Soil moisture, weather data, and vine growth response were measured…
Effect of Polysaccharides on Wine Aroma Binding and Perception
The organoleptic properties of red wine are among the essential…
Identification of Smoke Odorants by Gas Chromatography/Olfactometry and Assessment of Smoke Odorants in Grapes and Wine
There are two primary objectives for this funding cycle. One…
Utilizing Malolactic Fermentation as a Tool to Prevent Brettanomyces Bruxellensis Wine Spoilage
Brettanomyces bruxellensis is considered one of the most problematic…
Investigation of the Impact of Grapevine Red Blotch Virus (GRBV) on Phenolic Extractability and Winemaking Strategies to Mitigate
Since its identification in 2012, grapevine red blotch (RB) disease…
Investigation of Different Winemaking Protocols to Mitigate Smoke Taint Character in Wine
Research regarding smoke taint has mostly been undertaken in…
