Posts Tagged: fungi

Finding Soot Afoot? It Could be Sooty Mold

Sooty mold is a black fungal growth that looks like a layer of soot covering the leaves of a plant or a sidewalk. The aptly named disease is common in gardens and landscapes, appearing wherever a large infestation of plant-sucking insects are...

Anthracnose Pest Note Updated

Anthracnose is a group of fungal diseases that infect many trees and shrubs, causing dark lesions on leaves and cankers on twigs and stems. In some areas of California, vegetables and turfgrass can also be infected with anthracnose. Symptoms of...

Armillaria Root Rot in Landscape Trees

What is Armillaria Root Rot? Armillaria root rot is a severe fungal disease that affects trees, woody plants, and some herbaceous plants including palms and succulents. Also known as oak root fungus, Armillaria root rot can rapidly kill trees and...

Wood Decay Fungi in Landscape Trees

Landscape trees provide welcome shade, fruit, homes for wildlife, and even a place for kids to climb. But if the wood is damaged, disease-causing fungi can infect the tree. A number of fungal diseases decay wood in both tree branches and trunks,...

Invasive Spotlight: Shot Hole Borers and the Diseases They Carry

Shot hole borers are tiny insects the size of a sesame seed that don't look particularly harmful, but don't let their diminutive size fool you. Two of these borers are invasive—the polyphagous shot hole borer and the Kuroshio shot hole borer. They...

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