This means that if your lilac plants have powdery mildew, it likely won't infect other flowers or bushes nearby—just your lilacs. You can identify powdery mildew by the following symptoms ...

the whole plant can be affected. "Powdery mildew is actually an umbrella term for a wide range of fungi that cause similar symptoms, such as fuzzy powder on leaves," says Jessie Liebenguth ...

Early symptoms begin as small yellow flecks visible ... Formae speciales of cereal powdery mildew: close or distant relatives?. Molecular Plant Pathology, 15(3), pp.304-314. In accordance with Federal ...

Is a particular pest or disease affecting your plants? Use the A to Z links to determine what's wrong and to help you deal with the problem. If you're not sure, try our interactive Pest and ...