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Oidium indigoferae W. Y. Yen

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. Currently accepted name Erysiphe indigoferae (H. D. Shin & Y. J. La) U. Braun & S. Takam. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Oidium indigoferae W. Y. Yen. Type: Oidium indigoferae W. Y. Yen.

Taxonomic Literature: Taxonomic notes: +hyphae branched, septate, 4.6-6 µm wide; +appressoria nipple-shaped, slightly lobed to multilobed;+conidiophores foot-cells flexuous, often twisted, followed by 1-2 shorter cells, occasionally by cells of about the same length;. Braun U., Beih. Nova Hedwigia 89: 1-700 [609] (1987).

Biogeography: Continent: Africa, Asia-Temperate (Singapore), and Australasia. Region(s): Australia. Country or state(s): Ghana (and South Africa).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous (white, effuse, confluent). Host or Phorophyte Taxonomy: Indigofera hirsuta L.; Indigofera, Leguminosae-Papilionoideae.

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

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched (erect, 2-3-septate, 37.5-115 x 6-8.5 µm); basal cells 20-60 µm long, 6-7.5 µm wide. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid, ovoid, or cylindrical; macroconidial (germ tubes at an end, moderately long, without lobed appressorium), not branched, 25-42 µm long, 12-20 µm wide; aseptate.

(report generated 04.Okt.2007)

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