EVALUATING VINEYARD SOILS IN TRENCHES

February 17th, 2016
EVALUATING VINEYARD SOILS IN TRENCHES

We wine grape growers invest great efforts in managing canopies, crops, and other vineyard attributes above ground.  In comparison, our efforts below ground are often nominal.  And yet, the vineyard below ground is essential to the success and long-term viability of our vineyard businesses.  In the vineyard soil lies about 16% to 27% of vine biomass, depending on time of year, and about 43% of stored carbohydrate reserves. And it…

View More

Control of Overwintering Structures of Grapevine Pathogens

February 17th, 2016
Control of Overwintering Structures of Grapevine Pathogens

W. Douglas Gubler, Department of Plant Pathology, University of California, Davis, CA Fungal pathogens of grapevines all produce structures that allow them to overwinter on grapevine cordons, spurs, and canes.  In this way the fungi produce spores the following year that can further cause disease.  For example, grapevine powdery mildew produces a structure called a chasmothecium (cleistothecium) that washes from the leaves in the fall and winter.  They reside on…

View More
Event Calendar
  1. EXECUTIVE COMMITTEE MEETING

    September 28 @ 1:00 pm - 2:00 pm
  2. CD11 LODI PCA NETWORK BREAKFAST

    October 3 @ 7:30 am - 9:00 am