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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Field Evaluation of Winegrape Rootstocks

Data on rootstock performance is presented for 13 trials, ranging…

Factors Affecting Sugar Utilization and Rate of Fermentation

Many environmental and physiological factors influence fermentation…

Factors affecting bitterness, astringency and mouthfeel in wine

Astringency and sweetness were rated using time-intensity methods(T-I)…

Evaluation of Winegrape Clones

Three clonal trials were reported on: Zinfandel/Primitivo/Sangiovese,…

Development of Methodologies for Rapid Detection of Grapevine Viruses

1994 Final Report – A low tittered antiserum to grapevine leafroll…

Clonal Testing of Winegrapes in the San Joaquin Valley

A San Joaquin Valley wine cultivar clonal evaluation study was…

Alternatives to Bentonite

Bentonite is the most effective, reliable treatment to achieve…

A Cover Crop System for Vineyard Pest, Weed & Nutrition Management

This report describes the 1993 results of continuing, large replicated…

Winemaking Without Sulfur Dioxide

In previous years, we examined the effect of carbon monoxide…

Wine Grape Canopy Management Practices in the San Joaquin Valley

Recent wine grape vine training and trellising studies in the…

Water Conservation in Wine Grape Production

An infrared thermometer (IRT) was used to schedule irrigation…

The Effect of Grapevine Latent Viruses on Alternative Rootstocks

1993 Final Report – An epidemic of latent virus disease is…

Spread and Control of Grape Phylloxera Biotype B

Objective 1: Variability in resistance of rootstocks to phylloxera…

Spiders in Vineyard Agro-Ecosystems

The overall goal of this research project is to continue to elucidate…

Production of Antisera to Grapevine Viruses

A good supply of antisera to two isolates (type II and type III)…

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 new grapevine importation and quarantine facility at FPMS…

Influence of Windbreaks on the Vegetative and Reproductive Growth

Spring and summer months in the Salinas Valley are characterized…

Influence of Potassium Deficiency and Temporary

Executive Summary The aim of the proposed research was to study…

Grapevine Fanleaf Virus - Detection and Distribution

A uniform source of GFLV from the Golino Virus Collection has…

Field Evaluation of Winegrape Rootstocks

The objective of this project is to evaluate rootstocks for winegrape…