Armillaria root rot causes poor growth, yellow to brown foliage, and eventual death of the tree. Armillaria root rot can infect many deciduous and evergreen trees and shrubs. Trees infected with ...

Matt MilkovichA 4-year-old cherry tree on Mahaleb rootstock infected with armillaria root rot. No known cherry ...

Armillaria root rot, also known as oak root fungus, is one of the most widespread plant diseases in California. It is most prevalent in landscapes established in areas where oaks or other native trees ...

Palms are susceptible to two different root rot fungi, including Phytophthora and Armillaria. Symptoms of Phytophthora include browning and death of young leaves, discolouration of the stem and a bad ...

Other important soil borne fungal diseases causing crown and root rot are Phytophthora and Armillaria mellea (oak root fungus). Walnut blight (Xanthomonas juglandis) is the most common nut and foliage ...