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Oidium nephelii Hadiw. ex U. Braun

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 nephelii Hadiw. ex U. Braun. Type: Oidium nephelii Hadiw. ex U. Braun.

Taxonomic Literature: Taxonomic notes: +hyphae branched, septate, 4.8-8.4 µm wide; +appressoria multilobed, often paired;+conidiophores foot-cells cylindric, followed by 1-2 shorter cells;. Braun U., Beih. Nova Hedwigia 89: 1-700 [612] (1987).

Biogeography: Continent: Asia-Tropical. Country or state(s): Peninsular Malaysia (= Malaya, Malaysia) (and Indonesia, Singapore).

Ecology: Biotroph; phytopathogenic; growing on leaves, inflorescences, or fruits. Host or Phorophyte Taxonomy: Nephelium lappaceum L.; Nephelium, Sapindaceae.

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

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched (erect); basal cells 27.6-50.4 µm long, 6 µm wide. Conidium Formation: Conidiogenous cells single. Conidia: Ovoid or doliiform; macroconidial (germ tubes at an end, short to moderately long, terminating in a lobed appressorium), not branched, (19.5)-24-39.5-(49) µm long, (10)-14-19-(26) µm wide; aseptate.

(report generated 04.Okt.2007)

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