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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Production of Antisera to Grapevine Viruses

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

Reducing Bitterness in Wines

As reported previously (Noble, final report, AVF 91), astringency…

Soil Pest Profile for Grape Rootstocks

At this time we can present a ranking of sixteen rootstocks and…

Spiders as Beneficials in Grape Agro-ecosystems

Spiders represent an entirely predacious group of organisms whose…

Spread and Control of Biotype B Phylloxera

Summary From the 1990-1991 Report: Known biotype B sites are…

Trellises for Wine Grape Canopy Management in the San Joaquin Valley

A wine grape trellis trial was designed and planted in 1986 at…

Investigation of pattern of utilization of nitrogen compounds and urea

A field experiment, fertilized at seven different nitrogen levels…

Vineyard canopy management practices for improving grapevine

The main conclusions from a four-year study of trellising, row…

Water Conservation in Wine Grape Production

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

Winemaking Without Sulfur Dioxide

Spoilage organisms: Zygosaccharomvces and Kloeckera, whose presence…