''Microsphaera penicillata'' is a
plant pathogen
Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like orga ...
that causes
powdery mildew
Powdery mildew is a fungus, fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of Ascomycota, ascomycete fungi in the order Erysiphales. Powdery mildew is one of the easier plant disea ...
on
sycamore
Sycamore is a name which has been applied to several types of trees, but with somewhat similar leaf forms. The name derives from the Ancient Greek () meaning .
Species of otherwise unrelated trees known as sycamore:
* ''Acer pseudoplatanus'', a ...
.
It also affects certain species of
Corylus
Hazels are plants of the genus ''Corylus'' of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family, Betulaceae,Germplasmgobills Information Network''Corylus''Rushforth, ...
including ''Corylus sieboldiana'', ''
Corylus colurna'' and ''
Corylus heterophylla
''Corylus heterophylla'', the Asian hazel, is a species of hazel native to eastern Asia in northern and central China, Korea, Japan, and southeastern Siberia.Flora of China''Corylus heterophylla''/ref>
Description
It is a deciduous shrub or ...
''.
[Perley Spaulding ]
References
External links
Index FungorumUSDA ARS Fungal Database
Fungal tree pathogens and diseases
Microsphaera
Fungi described in 1815
Fungus species
{{fungus-tree-disease-stub