Posts Tagged: mildew

April Gardening Tips: Powdery Mildew

As you practice social distancing during COVID-19, you may find yourself spending more time in the garden. As we move into nice weather, we are sharing a few gardening tips for pest management. Powdery Mildew Check for signs of powdery mildew on...

Are Your Roses Diseased?

Roses in the garden can be infected with a variety of bacteria, fungi, and viruses, leading to diseases like powdery mildew and rust. Roses may also be damaged by nutrient deficiencies and other environmental problems. Our Pest Notes: Roses: Diseases...

Keep an Eye out for Powdery Mildew

This time of year, you may notice a white, powdery looking growth on fruit, vegetable plants or ornamental plants in your garden. What is it? It could be powdery mildew. Powdery mildew is caused by several different fungi that may attack plant leaf...

Downy Mildew on Ice Plants

[From the April-May 2016 issue of the UC IPM Green Bulletin] A downy mildew caused by the fungus Peronospora mesembryanthemi has recently been confirmed by the USDA-APHIS from a red apple ice plant (Aptenia cordifolia) sample collected in San Diego....

Powdery mildew loves your garden, too!

Seeing white powdery growth on leaves and shoots in your garden or landscape? It's probably a sign that you have a common disease called powdery mildew. Powdery mildew occurs on many different plant species including fruits, vegetables and ornamentals,...

Powdery mildew, Sphaerotheca pannosa, on rose.

Powdery mildew, Sphaerotheca pannosa, on rose.