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Podosphaera papaveris (Simonyan) U. Braun & S. Takam.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-05-17); revised.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Sphaerotheca macularis f. papaveris Simonyan; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Sphaerotheca papaveris Simonyan.

Taxonomic Literature: Taxonomic notes: +conidiophores foot-cells followed by 2 shorter cells;+ascocarp outer wall cells irregularly polygonal, inconspicuous, ca. 10-25 µm diam.;+ascoc. ext. fil. usually short, not exceeding the ascoc. diam., but sometimes longer, differentiation between appendages and hyphae difficult;. Braun U., Beih. Nova Hedwigia 89: 1-700 [115-116] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): Western Asia (Armenia).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Papaver orientale L.; Papaver, Papaveraceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, not emerging, scattered or in loose groups, .08-.125 mm in diam.. Margin: External filaments present; interwoven with surrounding mycelium, mycelioid, straight, 4-8 µm in diameter, hyaline or pigmented (later, at least at the base), few, growing all across the lower half of the ascocarp, smooth, thin, not ramified, septate.

Asci: 1 asci per ascocarp, broadly clavate (mostly immature), not stipitate, 65-80 µm long, 55-70 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 8 per ascus, subglobose or ellipsoid, 15-20 µm long, 10-12.5 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Euoidium-type; not branched; basal cells 60 µm long, 5.5 µm wide. Conidium Formation: Conidiogenous cells in chains. Conidia: Ellipsoid or cylindrical; macroconidial, not branched, 27-33 µm long, 11-16.5 µm wide; aseptate; with distintly visible fibrosin body fibrosin bodies.

(report generated 04.Okt.2007)


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