''Erysiphe cichoracearum'' is a fungal
plant pathogen
Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomyc ...
that causes
powdery mildew disease of
cucurbits, including
melon,
cucumber
Cucumber (''Cucumis sativus'') is a widely-cultivated Vine#Horticultural climbing plants, creeping vine plant in the Cucurbitaceae family that bears usually cylindrical Fruit, fruits, which are used as culinary vegetables. ,
pumpkin
A pumpkin is a vernacular term for mature winter squash of species and varieties in the genus ''Cucurbita'' that has culinary and cultural significance but no agreed upon botanical or scientific meaning. The term ''pumpkin'' is sometimes use ...
, and
squash. The primary symptoms are white, powder-like spots on the leaves and stems. ''
Sphaerotheca fuliginea'' causes a similar looking
powdery mildew of cucurbits.
External links
Powdery Mildew of Cucurbits
Fungal plant pathogens and diseases
Fruit and vegetable pathogens and diseases
cicnoracearum
Fungi described in 1805
{{fungus-plant-disease-stub