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Podosphaera balsaminae (Kari ex U. Braun) U. Braun & S. Takam.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set revised.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Sphaerotheca balsaminae (Wallr.) Kari; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Alphitomorpha lamprocarpa ß balsaminae Wallr.

Taxonomic Literature: Taxonomic notes: + ascocarp outer wall cells large, irregularly shaped, ca. 10-65

µm diam., conspicuous;.
Braun U., Beih. Nova Hedwigia 89: 1-700 [142-143] (1987); Braun U., The powdery mildews (Erysiphales) of Europe.- 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Asia-Temperate and Europe. Region(s): Siberia, Far Eastern Asia, and China (+ Central Asia). Country or state(s): former Czechoslovakia (incl. Czech Republic & Slovacia), Germany, Poland, Romania, and Former Yugoslavia [incl. Bosnia and Herzegovina, Croatia, Macedonia, Moldova, Serbia and Montenegro, Slovenia]; Japan.

Ecology: Biotroph; phytopathogenic; epiphyllous (mostly; sometimes scarcely developed) or amphigenous. Host or Phorophyte Taxonomy: Balsaminaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups (dark patches sometimes formed), .065-.1 mm in diam.. Margin: External filaments present; sometimes mycelioid (rather coarse and straight), 1-5 µm long, 4-10-(13) µm in diameter, pigmented (brown), growing all across the lower half of the ascocarp, smooth or rough (occasionally), thin, not ramified, not branched, septate.

Asci: 1 asci per ascocarp, not stipitate, 60-80 µm long, 50-65 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 6-8 per ascus, 16-22.5 µm long, 11-16.5 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Oidium-type; not branched. Conidia: Macroconidial, not branched, 28-30 µm long, 15-17 µm wide; aseptate; with distintly visible fibrosin body fibrosin bodies.

(report generated 04.Okt.2007)

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