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Common Names of Plant Diseases
Diseases of Cattleya Lindl. spp.
G. W. Simone, primary collator (last update 11/08/00)
BACTERIAL DISEASES
- Bacterial soft rot
- Erwinia carotovora
subsp. carotovora (Jones 1901) Bergey
et al. 1923
- = Pectobacterium carotovorum (Jones 1901) Waldee 1945
- Brown spot
- Acidovorax avenae
subsp. cattleya (Pavarino 1911) Willems
et al. 1992
- = Pseudomonas cattleya (Pav.) Sav.
FUNGAL DISEASES
- Anthracnose
- Colletotrichum crassipes
(Speg.) Arx
- Glomerella cingulata
(Stoneman) Spauld. & H. Schrenk
- Colletotrichum gloeosporioides (Penz.) Penz. & Sacc
[anamorph]
- Gloeosporium cattleyae
Henn.
- Basal rot
- Sclerotium rolfsii
Sacc.
- Black rot
- Phytophthora cactorum
(Lebert & Cohn) J. Schroet.
- Pythium ultimum
Trow
- Bloom shoot necrosis
- Alternaria
sp.
- Dieback
- Botryodiplodia oncidii
(Henn.) Petr. & Syd.
- Flyspeck
- Schizothyrium perexiguum
(Roberge) Hoehn.
- Gray mold
- Botrytis cinerea Pers.:Fr.
- Botryotinia fuckeliana (deBary) Whetzel [teleomorph]
- Leaf necrosis
- Curvularia
sp.
- Leaf rot
- Pythium splendens
H. Braun
- Leaf spot
- Alternaria
sp.
- Cercospora angraeci
Feuillebois & Roum.
- C. odontoglossi
Prill. & Delacr.
- Chaetodiplodia
sp.
- Coniothyrium
sp.
- Corynespora cassiicola
(Berk. & M.A. Curtis) C.T. Wei
- Diplodia laelio-cattleyae
Sibilia
- D. paraphysaria
Sacc.
- Fulvia fulva
(Cooke) Cif.
- Lasiodiplodia theobromae
(Pat.) Griffon & Maubl.
- Leptothyrium
sp.
- Phoma oncidii-sphacelati
Tassi
- Phyllosticta capitalensis
Henn.
- Pseudocercospora
sp.
- Septoria selenophomoides
Cash & A.M. Watson
- Pseudobulb and root rot
- Fusarium oxysporum
Schlechtend.:Fr. f. sp. cattleyae V.
Foster
- Root and stem rot
- Rhizoctonia solani
Kühn
- Root rot
- Phytophthora palmivora
(E.J. Butler) E.J. Butler
- Rust
- Sphenospora kevorkianii
Linder
- Uredo nigropuncta
Henn. [anamorph]
- U. behnickiana
Henn.
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
- 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. (saprophyte)
- Sooty blotch
- Gloeodes pomigena
(Schwein.) Colby
- Sooty mold
- Capnodium
spp.
- Sunburn
- Sudden high light
- Tip necrosis
- Calcium deficiency
- White streaking
- Genetic flower break
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