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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Improvements and Replacements for Pre-Plant Soil Fumigation
Garlon at 5 and 10 grams active ingredient applied to foliage…
Identifying the Potential to Use Vineyard Water Status to Alter Anthocyanins and Other Phenolic Compounds in Red Winegrapes
The data from field experiments with Cabernet Sauvignon grown…
Field Evaluation of Winegrape Rootstocks
Rootstock performance is, to some degree, dependent on site and/or…
Factors Affecting Sugar Utilization and Fermentation Rates
In this grant year, the investigation of the genetic and environmental…
Factors affecting bitterness, astringency and mouthfeel in wine
The effect of varying sourness on perceived astringency has been…
Evaluation of winegrape clones
The Zinfandel clonal trial was terminated with only minor differences…
Evaluation of Root System Conversion
Root system conversion methods were evaluated in three vineyards…
Evaluation of Microsprayers for Frost Protection in California Vineyards
The experimental site was a Chardonnay vineyard located near…
Effect of Rootstocks on grapevine mineral nutrition in the Central Coast
This study is comparing the differences in vine mineral nutrient…
Development of Methodologies for Rapid Detection
The efficiency of ELISA for detecting grapevine leafroll associated…
Cultural Control of Phylloxera in Root System Conversion Treatments
Root system conversion methods were evaluated at the White Hills…
Control of Eutypa Dieback of Grapes
The objective of our research is to find an effective control…
Clonal Testing of Wine grapes in the San Joaquin Valley
The San Joaquin Valley wine cultivar clonal evaluation study…
Chemical Changes of Some Important Sulfur-Containing Compounds During Crushing, Fermentation and Storage
We have adapted an enzymatic glutathione disulfide (GSSG) analysis…
Characterize virulence and life cycles of new phylloxera strains
Summary: Characterize virulence and life cycles of new phylloxera…
Breeding grapevine rootstocks for resistance to soil-borne pests and diseases
About 8,000 seeds from the 1993 crosses were planted during the…
Alternatives to Bentonite
Bentonite is the most effective, all-purpose reliable agent for…
A Cover Crop System for Vineyard Pest, Weed and Nutrition Management
This report describes a continuing on-farm project evaluating…
A broad Nematode Screen to Evaluate Four Potential Nematode Resistant Rootstocks
In 1994 we completed our three-year screening effort for "Broad…
Control of Eutypa Dieback of Grapes
The objective of our research is to find an effective control…
Wine Grape Canopy Management Practices in the San Joaquin Valley
This work is a continuation of studies conducted in the San Joaquin…
Water Requirements During and After Vineyard Establishment for Chardonnay Grapevines Grown in the Carneros District
ABSTRACT: A study is being conducted to determine the water use…
Volatile Sulfur Compounds: Incidence and factors affecting their formation in Califomian Wines
In fermentations comparing the formation of volatile sulfur compounds…
Vineyard Management Strategies for Potassium Nutrition and Optimum Winegrape Quality
There has been some clear progress on the potassium (K) fertility…
The Potential Health Benefits of Phenolic Wine
Our progress is as follows: Establish the levels of resveratrol…
The Effect of Grapevine Latent Viruses on Non-AXR Rootstocks
1994 Final Report – Severe latent virus symptoms have been…
The Effect of Application and Timing of Cryolite on Fluoride Levels in Red and White Wines
The main purpose of this experiment was to determine the level…
Spread and Control of Biotype B Phylloxera
Phylloxera variability: Four "non-A, non-B" strains from various…
Spiders in Vineyard Agro-Ecosystems
The overall goal of this research project is to continue to elucidate…
Optimal Management of Lepidopteran Pests of Grapes
The primary objectives of this research project are: 1) To evaluate…
Meristem tip culturing for the elimination of grapevine viruses
The most important technical problem which limits the importation…
Involvement of Viroids in Grapevine Diseases and the Impact on Vine Performance
The role of viroids as agents of plant disease is well established.…
Interactions between Commercial Wine Yeast and Malolactic Bacteria
Commercial yeast and lactic acid bacteria (LAB) starter cultures…
Influence of Windbreaks on the Vegetative and Reproductive Growth
A study was initiated in spring of 1991 to determine the effects…
Influence of Trellis-Training System and Rootstocks
The first year's data from four-year-old Cabernet Sauvignon vines…
Influence of rootstock and vine spacing on root distribution, vine growth, crop
The effects of seven rootstocks (AxR#l, 110R, 039-16, 5C, 3309,…
