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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Pierce's disease epidemiology and management

The aim of this project is to evaluate the fate of the Pierce's…

Other Ethyl Carbamate Precursors

The prevailing thought regarding the origin of ethyl carbamate…

New Parameters to Measure Ripeness

The goals of the first year of this project were to: 1) Analyze…

Markers for Potential Grape Juice Concentrate Browning

The purpose of this project was to generate a preliminary data…

Improvements and Replacements for Pre-Plant Soil Fumigation

Garlon at 5 and 10 grams active ingredient applied to foliage…

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…

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…

Characterize virulence and life cycles of new phylloxera strains

Summary: Characterize virulence and life cycles of new phylloxera…

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…

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…

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…

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…