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This article is a list of diseases of rhododendron (Rhododendron spp.). Bacterial diseases. Bacterial diseases; Crown gall Agrobacterium tumefaciens: Fungal diseases
Pestalotia rhododendri is a fungal plant pathogen infecting azaleas and rhododendrons. [1] Important diseases: Pestalotiopsis tip blight of conifers, Gray leaf spot Pestalotia is primarily a secondary pathogen. It is saprophytic on dead and dying tissues and is weakly parasitic infecting wounds under moist conditions.
Chondrostereum purpureum is a fungal plant pathogen which causes Silver leaf disease of trees. It attacks most species of the rose family Rosaceae, particularly the genus Prunus. The disease is progressive and often fatal. The common name is taken from the progressive silvering of leaves on affected branches.
Caused by the Ovulinia azaleae fungus, the disease develops during periods of moist weather at flowering time. Early- and late-flowering cultivars or species tend to escape the disease. The fungus overwinters as sclerotia on diseased petals adhering to plants, on the soil surface, or in leaf mulch under the bushes. [4]
Phytophthora cactorum is a fungal-like plant pathogen belonging to the Oomycota phylum. It is the causal agent of root rot on rhododendron and many other species, as well as leather rot of strawberries. [1]: 33
This article is a list of diseases of azalea (Rhododendron spp.). Fungal diseases. Fungal diseases; Anthracnose Glomerella cingulata
Septoria rhododendri is a fungal plant pathogen infecting rhododendrons. [1] References ... USDA ARS Fungal Database This page was last edited on 10 ...
Ericoid mycorrhizas are characterized by fungal coils that form in the epidermal cells of the fine hair roots of ericaceous species. [3] Ericoid mycorrhizal fungi establish loose hyphal networks around the outside of hair roots, from which they penetrate the walls of cortical cells to form intracellular coils that can densely pack individual plant cells. [3]