Podosphaera

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Welwitschia mirabilis or Amborella trichopoda

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endangered perennial medicinal 2024 1977

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4672364-4 or Q36484

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Home Fungi ascomycota leotiomycetes helotiales erysiphaceae Podosphaera

Kunze

1823

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Climate | Habitat | History | Research

Summary

Podosphaera is a genus of obligate biotrophic fungi in the family Erysiphaceae. Species in this genus are plant pathogens, causing powdery mildew, notably on hops and cucurbits. The section Podosphaera (formerly the genus Podosphaera) parasitizes woody plants, and about 90 % of its hosts belong to the Rosaceae. The section Sphaerotheca (formerly the genus Sphaerotheca) is further divided into the subsections Sphaerotheca and Magnicellulatae. Over 50% of the hosts of the former belong to the Rosaceae, whereas hosts of the Magnicellulatae are scattered among 40 plant families but not the Rosaceae. In 2010 Takamatsu et al used ITS sequences and 28S rDNA to divide the genus into two, with clade 1 consisting of Podosphaera tridactyla (section Podosphaera) on Prunus spp. and subsection Magnicellulatae, and clade 2 consisting of the remainder of section Podosphaera and section Sphaerotheca. P. macularis is an economically important pathogen of hops; isolate HPM-609 was sequenced in 2023 and h......read more on Wikipedia.