- Author: Olivia Pisano
On November 14, 2013, Cornell Plant Virologist, Dr. Marc Fuchs, began a three-stop, Red Blotch speaking tour of Northern California. He began in Davis, speaking to a crowd of close to 200 at UC Davis, before moving on to Napa and Mendocino. As Dr. Fuchs is on the forefront of Grapevine Red Blotch Disease research, we on the West Coast were very lucky to have the opportunity to hear him speak. His presentation at Davis, Red Blotch: Challenges and Opportunities, was recorded and has been posted online here. You can also find the...
- Author: Olivia Pisano
Have you ever wondered about the different clones of a grape variety? Or are you looking for a nursery where you can purchase a specific grape variety?
I have just the place for you –
The National Grape Registry (NGR) was created in 2006 through funding from the Viticulture Consortium West and the American Vineyard Foundation as a comprehensive list of all available grape materials in the United States....
- Author: Olivia Pisano
With all the news about Grapevine Red Blotch, I’ve been linking to the UC Integrated Viticulture website quite frequently.
This website is a useful tool for newcomers to grape growing and the seasoned viticulturist alike. The information comes from the experts, the University of California Cooperative Extension Farm Advisors, UC Faculty, and others who specialist in grape care...
- Author: Olivia Pisano
Earlier this year, I blogged about Grapevine Red Blotch associated Virus (GRBaV) – a newly discovered virus associated with red blotchy leaves in grapevines which had been in the forefront of viticulture news since it was announced at the 17th Congress of the International Council for the Study of Virus and Virus-like Diseases of the Grapevine (ICVG) in October. This past Wednesday, February 20, Red...
- Author: Olivia Pisano
In November, Grapevine Red Blotch Disease was announced by University of California, Davis scientists, Mysore Sudarshana and James Wolpert. The disease was discovered after grapevines that appeared to be exhibiting symptoms of Leafroll Disease tested free of Leafroll and Rugose Wood viruses.
The symptoms include irregular red blotches on leaf blades of basal portions of shoots starting in late August, reddening of the secondary and tertiary veins, and a low Brix units. Occasionally reddening of leaf blades in the interveinal zones occurs,...
