Learn how to identify, prevent, and treat powdery mildew with this guide. Discover organic and chemical treatment options, as well as management strategies for long-term control.

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The U.S. Environmental Protection Agency and the California Board of Pesticide Regulation have approved a new fungicide developed by BASF Crop Protection to fight powdery mildew in vineyards. The ...

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 ...

It creeps into the garden on humid summer nights, coating leaves with ghostly white: powdery mildew. From bee balm to phlox and lilacs to apple trees, hundreds of common garden plants can be ...

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.

When tending to your garden, you'll want to make sure that your plants are in good, healthy standing. One thing to monitor your plants for is powdery mildew, a fungal disease that can easily infect ...

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 ...

Cereals have natural resistance to pathogenic fungi, but powdery mildew, for example, can overcome this resistance. A team at ...

The gardening season has started and if you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty and ...

The grayish white powdery growth you are seeing on the dahlia leaves is caused by a fungus and can also be a common garden problem on other plants. Many species of fungi can cause powdery mildew on ...

I have two beautiful lilacs with leaves that are covered with a pale white powder. The garden-center people said it was powdery mildew and recommended I buy a rather expensive fungicide to control it.