UC Davis researchers have uncovered important genetic clues about the pathogen that causes grape powdery mildew, among the most destructive vineyard pests throughout California and the world.

Q: Last year my grapes had such bad powdery mildew that even the grapes dried up and looked moldy and shriveled. I was told by the master gardeners at the farmer’s market that I needed to do something ...

Grape breeders across the country are working to develop varieties that won’t fall victim to powdery mildew, a fungus that threatens grapes just about anywhere they are grown, and now artificial ...

Grape growers and winemakers around the world will be able to easily assess powdery mildew in the field with the help of a mobile application just released globally. PMapp, which supports decisions ...

While Botrytis is the most destructive plant pathogen in grapes, powdery mildew is also a persistent U.S. vineyard threat. Mevalone is a formidable tool to assist growers in their fight against both ...

One of the biggest threats to vineyards local grape growers face is powdery mildew, a fungus that can ruin their crop if left unchecked. But spraying can be problematic, so the more than 200 vineyard ...

Q: I have a 5-year-old Thompson grape that was a great producer for the last four years. Last year, the grape leaves had a white "dust" on them, the grapes were small, and some did not ripen at all.

Willamette Valley Vineyards is using a special band of ultraviolet light, called UVC, to help preserve it’s prized wine grapes. “In our research, we found that the special band of light also kills ...

Whether you’re a novice or avid gardener, discovering your greenery is dealing with a disease is never a pleasant surprise. One frequent problem that often pops up during the warmer months: powdery ...

UC Davis researchers have uncovered important genetic clues about the pathogen that causes grape powdery mildew, among the most destructive vineyard pests throughout California and the world.

Grape growers and winemakers around the world will be able to easily assess powdery mildew in the field with the help of a mobile application just released globally. Grape growers and winemakers ...