Podosphaera ruborum

Fungal pathogen of plants

Podosphaera ruborum
Scientific classification Edit this classification
Kingdom: Fungi
Division: Ascomycota
Class: Leotiomycetes
Order: Helotiales
Family: Erysiphaceae
Genus: Podosphaera
Species:
P. ruborum
Binomial name
Podosphaera ruborum
(Rabenh.) M. Bradshaw & M. Liu, 2025
Synonyms
  • Oidium ruborum Rabenh., 1878

Podosphaera ruborum is a species of powdery mildew in the family Erysiphaceae. It is found across Europe and North America, on plants in the genus Rubus, including multiple commercially significant crops.

Description

The fungus forms thin, white irregular patches on the leaves of its host. Podosphaera ruborum, like most Erysiphaceae, is highly host-specific and infects only the genus Rubus. Two species in the genus (Rubus spectabilis and Rubus ursinus) are instead infected by the closely-related species Podosphaera rubi-spectabilis.[1]

Taxonomy

The fungus was formally described in 1878 by Rabenhorst with the basionym Oidium ruborum. The new combination Podosphaera ruborum was created by Bradshaw and Liu in 2025. It is a member of the Podosphaera aphanis complex of species and was formally considered conspecific with that species.[1]

References

  1. ^ a b Bradshaw, Michael; Liu, Miao; Crouch, Uma; Thomas, Jacklyn; Shoukouhi, Parivash; Jin, Dan-Ni; Liu, Shu-Yan; Paul, Andrew; Braun, Uwe (2025-07-01). "Powdery mildews on Fragaria spp. and Rubus spp. - unravelling the phylogeny and taxonomy of economically relevant species within the intricate Podosphaera aphanis s. lat. complex". Mycoscience. 66 (4): 222–231. doi:10.47371/mycosci.2025.05.001. ISSN 1340-3540.
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