List of cattleya diseases
This is a list of diseases of cattleya (Cattleya spp.).
Bacterial diseases
Bacterial diseases | |
---|---|
Bacterial soft rot | Erwinia carotovora subsp. carotovora = Pectobacterium carotovorum |
Brown spot | Acidovorax avenae subsp. cattleyae = Pseudomonas cattleyae |
Fungal diseases
Fungal diseases | |
---|---|
Anthracnose |
Colletotrichum crassipes |
Basal rot | Sclerotium rolfsii |
Black rot | |
Bloom shoot necrosis | Alternaria sp. |
Dieback | Botryodiplodia oncidii |
Flyspeck | Schizothyrium perexiguum |
Gray mold |
Botrytis cinerea |
Leaf necrosis | Curvularia sp. |
Leaf rot | Pythium splendens |
Leaf spot |
Alternaria sp.
Cercospora angreci |
Pseudobulb and root rot | Fusarium oxysporum f. sp. cattleyae |
Root and stem rot | Rhizoctonia solani |
Root rot | Phytophthora palmivora |
Rust | Sphenospora kevorkianii Uredo nigropuncta [anamorph] |
Viral and viroid diseases
Viral and viroid diseases | |
---|---|
Flower break | genus Tobamovirus, Odontoglossum ringspot virus (ORSV) |
Mosaic | genus Potexvirus, Cymbidium mosaic virus (CymMV) genus Tobamovirus, Odontoglossum ringspot virus (ORSV) |
White cell necrosis | genus Potexvirus, Cymbidium mosaic virus (CymMV) |
Miscellaneous diseases and disorders
Miscellaneous diseases and disorders | |
---|---|
Algal spot | Cephaleuros virescens Kunze |
Blind leads | Suboptimal light levels |
Chlorotic leaf mottle | Iron deficiency |
Dry sepal | Ethylene toxicity (> 2 – 50 ppb) |
Edema | Edema |
Mesophyll collapse | Low temperature exposure |
No flowers | Extended low light periods on short-day plants |
Pimpling | High light conditions |
Sepal wilt | High soluble nitrogen or high levels of air-pollutants |
Shriveling | Senescence of pseudobulbs |
Slime molds | Fuligo spp. |
Snow mold | Ptychogaster sp. (saprotroph) |
Sooty blotch | Gloeodes pomigena |
Sooty mold | Capnodium spp. |
Sunburn | Sudden high light |
Tip necrosis | Calcium deficiency |
White streaking | Genetic flower break |
References
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