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 ...

Due to California’s dry summers, powdery mildews are more prevalent in Marin County than many other leaf-infecting diseases. These fungi affect virtually all kinds of plants: cereals, grasses, ...

As the growing season progresses, keep an eye out for a white or grayish-white powder on your plants. That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, ...

Q: My peonies have powdery mildew and I'm wondering what I can do to get rid of it. What causes this? I'm planning to divide them this fall but I don't want to spread it into a different flower bed. - ...

Powdery mildew on Tatarian maple leaves. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park ...

Powdery mildew, predominantly caused by Podosphaera macularis, continues to be a critical challenge for hop (Humulus lupulus) growers, affecting both yield and quality. The disease exhibits a complex ...

Q: I'm attaching a picture of the Tannenbaum Mugo Pine tree in my front yard. In October, when the photo was taken, the needles started to turn yellow and the branches dropped a lot of needles. Do you ...

A new North Carolina State University study pinpoints the worldwide spread of a fungus that taints blueberry plants with powdery mildew, a disease that reduces blueberry yield and encourages the use ...

Powdery Mildew (PM) is a fungal leaf disease caused by Blumeria graminis , which can reduce grain yield and quality in cereal crops. B. graminis species can be subdivided into Formae specialis groups ...