Oidium sesami H. D. Shin

Data Set Maintenance: Data set standard item. Data set author(s): Schubert K. @EXCL@ Kainz C. (06-03-07).

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

Type Information: Basionym: Oidium sesami H. D. Shin. Type: Oidium sesami H. D. Shin.

Taxonomic Literature: Taxonomic notes: + vegetative hyphae substraight to flexuous, sometimes geniculate, 40-75 × 4-6,5 µm, branching at right or narrow angle, with a septum near the branching point; +appressoria well-developed, moderately lobed, sometimes multilobed, usually single. Shin H. D., Erysiphaceae of Korea. 1-320 [290-291]. Suwon, Korea (2000);.

Biogeography: Continent: Asia-Temperate (possibly circumglobal). Country or state(s): Korea (North & South).

Ecology: Biotroph; phytopathogenic; growing on stems, leaves, or inflorescences, amphigenous. Host or Phorophyte Taxonomy: Sesamum indicum L.; Sesamum, Pedaliaceae.

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

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type (single or two or even three on a hyphal cell, arising from the upper part of the mother cells, position central to non-central (2:1), straight or occasionally slightly flexuous at the base of foot-cells, followed by 2-3 cells, with a basal septum at the branching point of the mycelium or somewhat displaced from it); not branched; conidiophore cells 60-145 µm long, basal cells 6-9.5 µm wide. Conidium Formation: Conidiogenous cells single. Conidia: Oval or fusiform; macroconidial (germ tubes at the shoulders), not branched, 28-51 µm long, 14-21 µm wide; without distinct fibrosin body fibrosin bodies.

(report generated 04.Okt.2007)