Erysiphe capreae de Candolle, 1830

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

op Salix

on Salix

gal: mycelium beiderzijdig, wit. Appressoria tepelvormig tot meervoudig gelobd, meestal solitair. Conidia solitair gevormd, elliptisch, zonder fibrosine-lichaampjes. Basale cel van de conidiofoor cylindrisch, 25-40 µm. Cleistothecia beiderzijdig, met 5-12 asci, die 4-5 sporen bevatten. Aanhangsels 35-120, ietwat boven de equator, 0.3-1 x de diameter; ze zijn hyalien, onvertakt, ongesepteerd, bijna recht; de top is haakvormig ingerold.

gall: mycelium amphigenous, white. Appressoria nipple-shaped to multilobed, mostly solitary. Conidia formed one by one, elliptic, without fibrosin bodies. Foot-cell of conidiophore cylindrical, 25-40 µm. Cleistothecia amphigenous, with 5-12 asci, containing 4-5 spores. Appendages 35-120, somewhat above the equator, 0.3-1 x the diameter; they are hyaline, aseptate, unbranched, almost straight; the apex is uncinate-circinate.

waardplanten: Salicaceae, nauw monofaag

hostplants: Salicaceae, narrowly monophagous

Salix caprea.

synoniemen: Uncinula adunca var. regularis (Zheng & Chen) Braun, 1982; ? Pleochata mali Eliade 1986.

synonyms: >Uncinula adunca var. regularis (Zheng & Chen) Braun, 1982; ? Pleochata mali Eliade 1986.

literatuur:

references:

Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Dietrich (2016b), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a), Scheuer & Bechter (2012a).

19/04/2017