List of rhododendron diseases
This article is a list of diseases of rhododendron (Rhododendron spp.).
Bacterial diseases
Bacterial diseases | |
---|---|
Crown gall | Agrobacterium tumefaciens |
Fungal diseases
Fungal diseases | |
---|---|
Armillaria root rot Shoestring root rot | Armillaria mellea |
Botryosphaeria dieback | Botryosphaeria dothidea |
Botrytis leaf and petal blight | Botrytis cinerea |
Bud and twig blight | Pycnostysanus azaleae = Briosia azaleae |
Cercospora leaf spot | Pseudocercospora handelii |
Chrysomyxa leaf rust | Chrysomyxa ledi var. rhododendri |
Clitocybe root rot (mushroom root rot) | Armillaria tabescens |
Coryneum leaf spot | Seimatosporium rhododendri |
Cryptostictis leaf spot | Seimatosporium mariae |
Cylindrocarpon canker and wilt | |
Damping-off, Pythium | Pythium spp. |
Damping-off, Rhizoctonia | Rhizoctonia solani |
Exobasidium leaf spot | |
Glomerella canker and dieback | Glomerella cingulata |
Gray blight | |
Leaf and flower gall | |
Lophodermium leaf spot | |
Ovulinia petal blight | Ovulinia azaleae |
Pestalosphaeria leaf spot | Pestalosphaeria concentrica |
Pestalotia leaf spot | |
Phymatotrichum root rot (cotton root rot) | |
Phytophthora dieback | Phytophthora nicotianae var. parasitica |
Phytophthora root rot | Phytophthora cactorum |
Powdery mildew | Microsphaera vaccinii |
Pucciniastrum leaf rust | |
Septoria leaf spot | |
Spot anthracnose | Sphaceloma sp. |
Stem canker | Cylindrocladium theae |
Witches' broom |
Nematodes, parasitic
Nematodes, parasitic | |
---|---|
Dagger, American | Xiphinema americanum |
Lance | Hoplalaimus galeatus |
Sheath | Hemicycliophora spp. |
Spiral | Helicotylenchus erythinae |
Stubby-root | Paratrichodorus spp. |
Stunt | Tylenchorhynchus claytoni |
Viral diseases
Viral diseases | |
---|---|
Necrotic ringspot | Potato virus X group |
References
- Common Names of Diseases, The American Phytopathological Society
- Diseases and pests of rhododendrons
- Images of diseases and pests of rhododendrons