Erysiphe platani | |
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Sycamore powdery mildew, Western Cape, South Africa | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Fungi |
Division: | Ascomycota |
Class: | Leotiomycetes |
Order: | Erysiphales |
Family: | Erysiphaceae |
Genus: | Erysiphe |
Species: | E. platani
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Binomial name | |
Erysiphe platani (Howe) U.Braun & S.Takam. (2000)
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Synonyms[1] | |
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Erysiphe platani, also known as sycamore powdery mildew, is a fungus native to North America that now infects sycamore tree species worldwide.[2] Infections may spread rapidly in urban settings with large groups of young trees or in plant nurseries.[3] This mildew thrives when there are high humidity conditions during the growing season.[4]
Symptomatic trees show leaf discoloration and puckering as the mildew spreads across buds and leaf surfaces.[5] The most visible effects, which include "leaf curling, stunting, and distortion,"[6] appear on vulnerable newly emerged leaves.[4] This infection only appears on leaves, it has no obvious effect on stems and branches.[5] Fertilization and pollarding increase the number of young shoots, which are the parts of the trees most vulnerable to infection.[6]
Species Fungorum synonymy
was invoked but never defined (see the help page).