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.

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.

“The leaves of my peonies are covered with what appears to be a white mold, with some of the leaves even turning brown already. What is this problem, and will it affect the plants next year? Should I ...

Powdery mildew is one of the most dreaded plant diseases: The parasitic fungus afflicts crops such as wheat and barley and is responsible for large harvest shortfalls every year. Beat Keller and ...

Roman Gonzalez is the creator of the urban gardening blog MrBrownThumb, founder of the Chicago Seed Library, and a co-founder of One Seed Chicago. Powdery mildew is a widespread and easy to recognize ...

Here's how to make and use a simple DIY spray that studies show can protect your plants from powdery mildew. Powdery mildew is a common plant disease that affects ornamentals and edible crops, causing ...

When powdery mildew pops up on your roses, here's get rid of this common plant disease fast. Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching ...

How do I spot powdery mildew? How can I prevent powdery mildew? How do I treat plants affected by powdery mildew? What should I do with plant debris infected by powdery mildew? Which types of powdery ...

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 ...

One of the best parts about having a garden in the summer is watching your plants grow throughout the season. But if you’re out gazing at your garden one day and notice some white circular spots on ...

The powdery mildew from the USA, which was also imported, hybridized with the resident Japanese mildew strains, and the resulting hybrids successfully attacked newly bred wheat varieties." To study ...