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This article is a list of diseases of azalea (Rhododendron spp.). Fungal diseases. Fungal diseases; Anthracnose Glomerella cingulata
Ovulinia petal blight is commonly referred to as Ovulinia flower blight, Azalea flower blight, and Azalea flower spot. [1] First reported in the 1930s on the Belgian-Indica hybrids, petal blight can attack most azaleas under favorable weather conditions. Infected flowers first exhibit small spots, about 1 mm in diameter, which appear water ...
Exobasidium vaccinii, commonly known as “red leaf disease,” or “Azalea Gall,” is a biotrophic species of fungus that causes galls on ericaceous plant species, such as blueberry and azalea (Vaccinium and Rhododendron spp.). Exobasidium vaccinii is considered the type species of the Exobasidium genus. [1]
Azaleas have shallow root systems so adding mulch can help retain moisture and warmth in the soil. Wait until your area has had one or two frosts but before the ground is frozen.
Ovulitis azaleae is a plant pathogen affecting azaleas and rhododendrons. See also. List of azalea diseases; List of rhododendron diseases; References. External links
This article is a list of diseases of rhododendron (Rhododendron spp.). Bacterial diseases. Bacterial diseases; Crown gall Agrobacterium tumefaciens: Fungal diseases
Azalea leafy gall can be particularly destructive to azalea leaves during the early spring. Hand picking infected leaves is the recommended method of control. [4] They can also be subject to Phytophthora root rot in moist, hot conditions. [5] Azaleas share the economically important disease Phytophthora cinnamomi with more than 3000 other plants.
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