Posts Tagged: Red Blotch virus
A Bug That's Not Wanted in the Vineyards
Back in July of 2016, a team of researchers affiliated with the University of California, Davis,...
The three-cornered alfalfa leaf hopper, Spissistilus festinus, transmits the grapevine red blotch virus. (Photo by Kathy Keatley Garvey)
A three-cornered alfalfa leaf hopper, Spissistilus festinus, on a grape leaf. (Photo by Kathy Keatley Garvey)
The leaf on the right has grapevine red blotch virus. (Photo by Raul Girardelo, UC Davis)
UC Davis Scientists Targeting Grapevine Red Blotch Virus and Vectors
UC Davis scientists, in collaboration with UC Berkeley and Oregon State University researchers, are...
Grapevine red blotch disease, depicted on the right leaf, can have a significant impact on wine quality. (Raul Girardello/UC Davis)
The three-cornered alfalfa hopper, Spissistilus festinus,on a grape leaf. (Photo by Kathy Keatley Garvey)
How a Bag of Red Leaves Led to the Red Blotch Scoop.
The Red Blotch webinar is available for viewing now on YOUtube. Hello Fodder Followers! My...
Bahder discovers Red Blotch vector!
Brian Bahder, UC Davis Entomology post-doc, and Frank Zalom, UC Davis Entomology Professor,...
Red Blotch Disease
At a recent meeting held at UC Davis titled “Current Issues in Vineyard Health”, a newly-discovered viral disease being expressed in California’s vineyards was discussed. Currently named ‘Red Blotch Disease’, its symptoms distinguish it from leafroll virus expression, as does its PCR fingerprint. Presently, the most complete information available on the disease can be found in a brochure developed by Jim Wolpert, Viticulture Extension Specialist, UC Davis and Mysore Sudarshana, Plant Pathologist, USDA-ARS, UC Davis.
If you experienced low soluble solids (Brix) or had lower than expected yields in 2012 that cannot be explained, you might want to learn more about Red Blotch Disease.
LEARN MORE:
http://ucanr.edu/red-blotch-disease-2012