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Oidium hardenbergiae Boesew.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-08-01). Data set reviewer(s): Schubert K. (06-07-25); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Oidium hardenbergiae Boesew. Type: Oidium hardenbergiae Boesew.

Taxonomic Literature: Taxonomic notes: +hyphae flexuous, branched at right angles near a septum, with a septum near the base of the new branch, hyphal cells (40-)45-55(-70) x 3.5-7 µm; +appressoria multilobed, 5-12.5 µm wide, single or opposite in pairs;+conidiophores foot-cells flexuous or nearly straight at the base, followed by cells of about 20-35 µm in length;. Braun U., Beih. Nova Hedwigia 89: 1-700 [607] (1987).

Biogeography: Continent: Australasia. Region(s): New Zealand.

Ecology: Biotroph; phytopathogenic; growing on leaves (evanescent, white). Host or Phorophyte Taxonomy: Hardenbergia monophylla (Vent.) Benth.; Hardenbergia, Leguminosae-Papilionoideae.

Reproduction Strategy: Only known as sterile, asexually reproducing form.

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched ((68-)87-92(-125) x 6.5-8 µm); basal cells 35-45 µm long, 6.5-8.8 µm wide. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid or cylindrical (occasionally up to 2.5 µm wider at one end); macroconidial (germ tubes at an end, simple, straight or branched, occasionally coralloid, either short with a moderately lobed or multilobed appressorium or long, 4.5 µm wide, terminating in an unlobed or moderately lobed appressorium), not branched, (32)-40-55 µm long, (12.5)-17-21 µm wide; aseptate.

(report generated 04.Okt.2007)

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