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Neoerysiphe galii (S. Blumer) U. Braun [2000089]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-03-28); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Golovinomyces galii (S. Blumer) V. P. Gelyuta; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Erysiphe galii S. Blumer. Type: Erysiphe galii S. Blumer.

Taxonomic Literature: Taxonomic notes: +conidiophores erect, foot-cells straight, cylindric, followed by 1-3 shorter cells;+appressoria nipple-shaped to lobed, lobed ones dominant;+ascocarp outer wall cells obscure, irregularly shaped, ca. 8-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [239-240] (1987); Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Africa, Asia-Temperate, and Europe. Region(s): Northern Africa, Middle Asia, and China. Country or state(s): Denmark, Finland, United Kingdom, Norway, Sweden, former Czechoslovakia (incl. Czech Republic & Slovacia), Germany, Hungary, Poland, Switzerland (incl. Liechtenstein), Balearic Islands, France (excl. Corsica), Spain (incl. Andorra & Monaco), Bulgaria, Romania, European Turkey, Former Yugoslavia [incl. Bosnia and Herzegovina, Croatia, Macedonia, Moldova, Serbia and Montenegro, Slovenia], Belarus, Baltic States (Estonia, Lithuania, Latvia), and Ukraine; Canary Islands (Spain).

Ecology: Biotroph; phytopathogenic; growing on stems, leaves, or fruits, amphigenous. Host or Phorophyte Taxonomy: Galium aparine L.; Galium, Rubiaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, (.08)-.1-.14-(.16) mm in diam.. Margin: External filaments present (length variable, sometimes poorly developed, very short, shorter than the cleistothecial diam., or well developed); interlaced with each other (differentiation between mycelium and appendages difficult) or interwoven with surrounding mycelium, mycelioid, straight, up to 2 µm long, 3.5-7.5 µm in diameter, hyaline or faintly pigmented (later), few or numerous (number variable, sometimes poorly developed), growing all across the lower half of the ascocarp, smooth or rough, thin, not ramified, septate.

Asci: 4-12 asci per ascocarp, not stipitate or indistinctly stipitate, (35)-50-60-(75) µm long, 25-40 µm wide; dehiscence unitunicate (ascospores usually not developed in samples of the current season, asci immature, development of the spores after overwintering).

Ascospores: 1–2 or c. 4 per ascus, spores 2-4 per ascus, subglobose, ellipsoid, or ovoid, 16-21 µm long, 10-12 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Euoidium-type; not branched; basal cells 50-70 µm long, 10-14 µm wide. Conidium Formation: Conidiogenous cells in chains. Conidia: Ellipsoid, ovoid, doliiform, or sub-cylindrical; macroconidial (conidia length and width measured on fresh material), not branched, (20)-24-35 µm long, 13-17 µm wide; aseptate.

(report generated 04.Okt.2007)

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