Dan Bryant

With Verticillium wilt now infecting more than 2,200 acres of lettuce ground in California’s Salinas and Pajaro valleys, plant pathologists and breeders are intensifying efforts to bridle the disease’s rapid spread...

The California garlic and onion industry remains under threat from white rot, a devastating fungal pathogen of allium crops around the world, as researchers attempt to develop plant resistance and to refine uses of...

Management of iris yellow spot virus (IYSV), a global disease of onions and other allium crops spreading through California and other Western states, eludes any single practice or material and calls for an integrated...

University of California researchers have come up with a three-step, IPM approach to managing tomato spotted wilt virus (TSWV), an increasing threat to processing tomato crops in the Central Valley...

USDA breeders, aiming to improve the bottom line of the California raisin industry, are developing a new generation of grape cultivars having lower production costs and greater consumer health benefits...

“No matter what we spray or how often, resistance to pesticides is something we need to watch for and manage to prevent it as much as possible.” ...

Verticillium wilt infections accelerated in lettuce fields during the 2009 season in the Salinas and Pajaro valleys of California’s Central Coast, and researchers say grass cover crops may be contributing to the...

Malva, or cheeseweed, may play a role as a reservoir host in the spread of impatiens necrotic spot virus (INSV) in Salinas Valley lettuce fields, but how to deal with the disease remains a mystery...