List of cattleya diseases

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This is a list of diseases of cattleya (Cattleya spp.).

Contents

[edit] Bacterial diseases

Bacterial diseases
Bacterial soft rot Erwinia carotovora subsp. carotovora = Pectobacterium carotovorum
Brown spot Acidovorax avenae subsp. cattleya = Pseudomonas cattleya

[edit] Fungal diseases

Fungal diseases
Anthracnose Colletotrichum crassipes

Glomerella cingulata
Colletotrichum gloeosporioides [anamorph]
Gloeosporium cattleyae
Basal rot Sclerotium rolfsii
Black rot Phytophthora cactorum

Pythium ultimum
Bloom shoot necrosis Alternaria sp.
Dieback Botryodiplodia oncidii
Flyspeck Schizothyrium perexiguum
Gray mold Botrytis cinerea

Botryotinia fuckeliana [teleomorph]
Leaf necrosis Curvularia sp.
Leaf rot Pythium splendens
Leaf spot Alternaria sp.

Cercospora angraeci
C. odontoglossi
Chaetodiplodia sp.
Coniothyrium sp.
Corynespora cassiicola
Diplodia laelio-cattleyae
D. paraphysaria
Fulvia fulva
Lasiodiplodia theobromae
Leptothyrium sp.
Phoma oncidii-sphacelati
Phyllosticta capitalensis
Pseudocercospora sp.
Septoria selenophomoides
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]
U. behnickiana

[edit] 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)

[edit] 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. (saprophyte)
Sooty blotch Gloeodes pomigena
Sooty mold Capnodium spp.
Sunburn Sudden high light
Tip necrosis Calcium deficiency
White streaking Genetic flower break

[edit] References

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