Reference · Diseases
Powdery mildew
9 657 items — choose below or search on the left.
9 657
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Omphalotus
Omphalotus
Omphalotus illudens
Omphalotus illudens
Omphalotus japonicus
Omphalotus japonicus
Ghost fungus
Omphalotus nidiformis
Jack-o'-lantern mushroom
Omphalotus olearius
Oncobasidium
Oncobasidium
Onion yellow dwarf
Onion yellow
Onnia
Onnia
Onnia subtriquetra
Onnia subtriquetra
Woolly velvet polypore
Onnia tomentosa
Onygena
Onygena
Onygena corvina
Onygena corvina
Horse hoof fungus
Onygena equina
Onygenaceae fungi
Onygenaceae
Oomycetes
Oomycetes
Oomycetes
Oomycota
Oospora
Oospora
Rice oosporosis
Oospora oryzetorum
Opalina
Opalina
Opalina ranarum
Opalina ranarum
Opalinea
Opalinea
Opalinidae
Opalinidae
Opegrapha
Opegrapha
Opegraphaceae
Opegraphaceae
Ophiobolus stem blight
Ophiobolus acuminatus
Ophiocordyceps
Ophiocordyceps
Ophiocordyceps clavulata
Ophiocordyceps clavulata
Ophiocordyceps dipterigena
Ophiocordyceps dipterigena
Ophiocordyceps entomorrhiza
Ophiocordyceps entomorrhiza
Ophiocordyceps forquignonii
Ophiocordyceps forquignonii
Ophiocordyceps hirsutellae
Ophiocordyceps hirsutellae
Ophiocordyceps pruinosa
Ophiocordyceps pruinosa
Ophiocordyceps robertsii
Ophiocordyceps robertsii
Chinese cordyceps
Ophiocordyceps sinensis
Ophiocordyceps truncata
Ophiocordyceps truncata
Ophiocordycipitaceae fungi
Ophiocordycipitaceae
Ophiocytium
Ophiocytium
Ophiocytium majus
Ophiocytium majus
Ophiodothella leaf spot
Ophiodothella
Ophiodothella neurophila
Ophiodothella neurophila
Ophiodothella panamensis
Ophiodothella panamensis
Blueberry leaf spot
Ophiodothella vaccinii
Ophiognomonia
Ophiognomonia
Butternut canker
Ophiognomonia clavigignenti-juglandacearum
Walnut anthracnose
Ophiognomonia leptostyla
Ophioparma
Ophioparma
Ophioparma ventosa
Ophioparma ventosa
Ophioparmaceae
Ophioparmaceae
Ophiosphaerella patch
Ophiosphaerella
Ophiosphaerella agrostidis turf disease
Ophiosphaerella agrostidis
Ophiosphaerella root rot
Ophiosphaerella herpotricha
Necrotic ring spot
Ophiosphaerella korrae
Ophiosphaerella narmari spring dead spot
Ophiosphaerella narmari
Dutch elm disease
Ophiostoma
Ophiostoma bicolor
Ophiostoma bicolor
Ophiostoma blue stain
Ophiostoma brunneociliatum
Walnut ophiostomatosis
Ophiostoma juglandis
Ophiostoma megalobrunneum
Ophiostoma megalobrunneum
Blue stain
Ophiostoma minus
Dutch elm disease
Ophiostoma novo-ulmi
Plant disease reference
Catalogue of crop diseases: fungal, bacterial, viral diseases and nematodes. For each disease — the pathogen, typical symptoms, affected crops, effective control and prevention measures.
Diseases are linked to the catalogue: a disease page lists resistant varieties, and a variety's specs show its resistance to specific diseases. Use the filter on the left to select diseases by pathogen type or affected crop.