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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Improved Tissue Analysis Methods for Nitrogen Assessment of Wine

The limitations of petiole nitrate-N as a criteria for vine N…

Influence of Vine Trellis/Training System on Growth, Yield, Fruit

The experiment being conducted is a long term investigation of…

Modification of Wine Characteristics Through Irrigation Management

We propose to develop an approach to vine water management appropriate…

New Fining Techniques Utilizing Adsorbent Resins

To date we have evaluated the qualitative abilities of three…

New Parameters to Measure Ripeness

Grape samples were collected at two Oakville area vineyards during…

Optimal Viticulture Systems Comparison

The dual experimental constraints of only two years of data collection…

Pierce's Disease Epidemiology and Management

This is the final year of a continuing project on the fate of…

Rapid Analytical Methods For Measurement of Cork-Taint in Wine

Work has been initiated to synthesize novel compounds similar…

Rootstock Interaction with Cultural Practices

This project continues to investigate the interactions of rootstocks…

Studies on Stuck Fermentations and on Factors that Control the Rates of

We have found that the factor(s) that determine whether or not…

Studies on the Interaction of Flavor Compounds With Non-Volatile

During the previous year of this proposal we focused on developing…

The Extraction of Condensed Tannins in Red Wine Fermentations

The first year of this project was designed to survey the effects…

Rootstock Interaction with Cultural Practices

This project continues to investigate the interactions of rootstocks…

Studies on Stuck Fermentations and on Factors that Control the Rates of

We have found that the factor(s) that determine whether or not…

Studies on the Interaction of Flavor Compounds With Non-Volatile

During the previous year of this proposal we focused on developing…

The Extraction of Condensed Tannins in Red Wine Fermentations

The first year of this project was designed to survey the effects…

Water Use and Effects of Deficit Irrigation on Chardonnay Grapevines

A study is being conducted to determine the water use or vineyard…

A Study of Anagrus Egg Parasitoids Important for Biological Control

During year one of research, collections of Anagrus egg parasitoids…

Alternatives and Improvements to Soil Fumigation with Methyl Bromide

We have now reached the point where certain treatments are ready…

Alternatives to Bentonite 1995

Wine hazes are considered to be a visual sensory defect. Bentonite…

Biology and Genetics of Rootstock Resistance to Grape Phylloxera

Phylloxera resistant grape rootstocks which also resist nematodes,…

Breeding Grapevine Rootstocks for Resistance to Soil-Borne Pests

Crosses - About 1,300 seedlings from the 54 crosses made in 1994…

Chemical Changes of Some Important Sulfur-Containing Compounds

We have used an HPLC method to assay reduced and oxidized glutathione…

Clonal Testing of Wine Grapes in the San Joaquin Valley

The San Joaquin Valley wine cultivar clonal evaluation study…

Control of Eutypa Dieback of Grapes

The objective of this research is to find an effective control…

Develop and Test Capillary Electrophoresis Methods for Cations

As discussed in the interim report, the cation method has been…

Development and Evaluation of a Polymerase Chain

The primary objective of this research project was to develop…

Development of Methodologies for Rapid Detection of Grapevine Viruses

Additional experiment was completed to compare the efficiency…

Evaluation of Root System Conversion Methods in the Lodi-Woodbridge

Root system conversion methods were evaluated in an own-rooted…

Evaluation of Trellis Training Systems and Subsurface

The 1995 season represents the initial year of data collection…

Factors Affecting Sugar Utilization and Rate of Fermentation

Protracted or stuck fermentations are a recurring problem in…

Factors Affecting the Formation of Hydrogen Sulfide and Acetic Acid

The formation of hydrogen sulfide during fermentation was followed…