Coffee Shop Blog
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...
NRCS SOIL SURVEY INFORMATION IMPORTANT TO VINEYARDS
Vineyards have two environments - one above ground and another below ground. The above ground environment is our visible domain where we can witness both atmospheric events and grapevine responses to them. In contrast, our ability to observe events underground, or...
Micronutrient Management In Vineyards
Micronutrients are mineral elements required in small quantities by plants for normal growth and development. They include iron, manganese, copper, zinc, boron, molybdenum, and chloride. The micronutrients tend be overshadowed by the macronutrients, especially...
Nitrogen Part II: Effective Nitrogen Management for Vineyards
In my last Lodi Growers Coffee Shop article, we considered nitrogen's pivotal role and impacts on grapevines. In this article, we investigate nitrogen management. As in the management of all mineral nutrients, vine nutrient demand is the place to begin development of...
Nitrogen Part I: The Pivotal Mineral Nutrient in Vineyards
In wine grape growing, nitrogen (N) receives a great deal of attention for several reasons. First, N is a component of numerous molecules essential for life, including a wide array of proteins, nucleic acids, and chlorophyll. As a result, nitrogen has broader...
Negotiation Tips for Winegrape Growers
Grape growers are expected to be competent at a wide-ranging of tasks. For example, they have to be good at equipment maintenance, pruning, labor relations and finances, to list but a few of the skills that are necessary to succeed as a grower. Of all the skills that...
In the Vineyard with Paul Verdegaal
The 2015 Harvest came to a close by the second week of October. Harvest began on the earliest date that most anyone can remember. It is an interesting year to say the least, but there have been previous harvest starts in July. Let’s look back on some local...
Red Blotch Virus Update from ICVG
I had the great pleasure of attending the 18th International congress on viruses of the grapevine (ICVG) held on September 7-11 in Ankara, Turkey. Every three years, ICVG brings together the world's best and brightest minds to report on the cutting-edge frontier of...
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