This article is a list of diseases of azalea (Rhododendron spp.).
Fungal diseases
edit Fungal diseases | |
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Anthracnose |
Glomerella cingulata |
Armillaria root rot (shoestring root rot) |
Armillaria mellea |
Botrytis petal blight |
Botrytis cinerea |
Bud and twig blight | |
Cercospora leaf spot | |
Clitocybe root rot (mushroom root rot) | |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
Damping-off, Pythium | |
Damping-off, Rhizoctonia |
Rhizoctonia solani |
Exobasidium leaf spot | Exobasidium burtii |
Leaf scorch | Septoria azaleae |
Leaf and flower gall | |
Ovulinia petal blight |
Ovulinia azaleae |
Pestalotia leaf spot twig blight, and crown rot | |
Phomopsis dieback |
Phomopsis spp. |
Phyllosticta leaf spot |
Phyllosticta spp. |
Phytophthora blight and dieback |
Phytophthora nicotianae var. parasitica |
Phytophthora root rot and wilt |
Phytophthora cinnamomi |
Powdery mildew | |
Pucciniastrum leaf rust | |
Twig blight | |
Web blight |
Rhizoctonia ramicola |
Nematodes, parasitic
editNematodes, parasitic | |
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Dagger, American | Xiphinema americanum |
Pin | Paratylenchus curvitatus |
Root-knot | Meloidogyne spp. |
Sheath | Hemicycliophora spp. |
Spiral | Rotylenchus buxophilus R. robustus |
Stubby-root | Paratrichodorus minor |
Stunt | Tylenchorhynchus claytoni |