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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Assessing Fungicide Resistance of grape powdery mildew in Wine, Table and Raisin Grapes
The 2018 assessment campaign processed >3000 samples from…
Study on the use of source-sink-reserves relations to manipulate grapevine nitrogen use efficiency, aroma and grape maturity and its relationship to yields and wine composition
Canopy management and fruit load control aim to keep a balance…
Interaction of red blotch virus (GRBV) and deficit irrigation on grapevine water relations, disease development, and vine productivity
The second year of a field experiment with two irrigation treatments…
Evaluation of grapevine rootstock selections
The purpose of this project is to identify selections from a…
Characterization of Bitter and Astringent Proanthocyanidins during Winemaking
Polyphenols, including proanthocyanidins (i.e., tannins), are…
Understanding and managing the trunk disease Esca
Summary: Vine surgery (also known as trunk renewal) has been…
Determining the role of Auxin-Response Factor 4 in the timing of ripening initiation in Vitis vinifera
The timing of ripening initiation is a major trait for wine grape…
Deep sequencing for trunk disease diagnostics
The aim of this multi-year project is to develop rapid and cost-effective…
Grapevine Virus Management in Lodi: A Collaborative Research & Integrated Outreach Effort to Help Solve a Statewide Challenge
Principal Investigator Stephanie Bolton successfully led an outreach…
Development of a genome-scale metabolic model for Saccharomyces cerevisiae for use in understanding and modifying strain performance
Two key metabolic activities of yeast relevant to wine fermentations…
Development of a prediction tool for phenolic extraction in red wines as a function of winemaking practices and fermentor design
Red wine fermentations are performed in the presence of grape…
Extension and Outreach through UC Davis Viticulture and Enology On the road Events
By the end of the 2017-2018 funding cycle, we produced the four…
Characterization of Bitter and Astringent Proanthocyanidins During Winemaking
Project Title: Characterization of Bitter and Astringent Proanthocyanidins…
Formation of a Mealybug Biocontrol Research Focus Group for Crush District 11
Summary: “Formation of a Mealybug Biocontrol Research…
Evaluation of Ten Vitis vinifera cv. Pinot gris Clones in the San Joaquin Valley of California.
In June of 2017, 25 vines per Pinot gris clone from Foundation…
Significance of Oak Ellagitannin Chemical Structure to Wine Oxidation
The pathway of wine oxidation, as currently understood, encompasses…
Development of Next Generation Rootstocks for California Vineyards
We are making strong progress in streamlining the assay’s for…
Investigating Fruitiness Perception in Red and White Wines
This report details activities that occurred from February 2017…
Determining the Impacts of Dormant Pruning Methods and Nitrogen Fertilization on Pinot Noir Bud Fruitfulness and Yield
This project is designed to provide scientifically tested information…
A Researcher-Industry Partnership to Understand the Yield-Quality Relationship in Cool Climate Pinot noir and Chardonnay Production
The long-term crop load study continued during 2017, the project’s…
Winery Cleaning and Sanitization, Monitoring Methodology and Efficacy of Cleaning and Sanitization Chemistries.
This project analyzed the ability of cleaners and sanitizers…
An Integrated Approach to Understanding How Grapevine Root Systems Respond to and Recover from Drought Stress
With our first year of funding from CGRIC, we made significant…
Determining the Role of Auxin-Response Factor 4 in the Timing of Ripening Initiation in Vitis Vinifera
The timing of the ripening initiation is a major trait for wine…
Assessing Fungicide Resistance of Grape Powdery Mildew in Wine, Table and Raisin Grapes
Throughout 2017, a field scouting campaign that covered Central…
Assessing Rootstock Biology and Water Uptake through Proximal Sensing under Different Wetting/Drying Conditions
Considering the importance of the water status as a driver of…
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…