Erysiphe magnifica (Braun) Braun & Takamatsu, 2000

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

op Magnolia

on Magnolia

gal: mycelium beiderzijdig. Appressoria tepelvormig, gelobd of meervoudig gelobd, solitair of gepaard. Conidia solitair gevormd, elliptisch, zonder fibrosine-lichaampjes. Cleistothecia met 2-10 asci, die 4-6 sporen bevatten. Aanhangels 5-23, equatoriaal, 0.5-1.5 x de diameter; ± stijf, 0-1 sept, aan de basis bruin, overigens hyalien; toppen 3-6 maal snel achtereen regelmatig dichotoom vertakt.

gall: mycelium amphigenous. Appressoria nipple-shaped, lobed or multilobed, solitary or paired. Conidia formed solitary, elliptic, without fibrosin bodies. Cleistothecia with 2-10 asci, that contain 4-6 spores. Appendage 5-23, equatorial, 0.5-1.5 x the diameter; ± stiff, brown at the base, 0-septate. Apices 3-6 times regularly forked in quick succession.

waardplanten: Magnoliaceae, monofaag

hostplants: Magnoliaceae, monophagous

Magnolia acuminata, cylindrica, kobus, liliiflora, macrophylla, x soulangeana, stellata.

literatuur:

references:

Beenken & Senn-Irlet (2016a), Braun, Ale-Agha, Bolay, Boyle, Brielmaier-Liebetanz, Emgenbroich, Kruse & Kummer (2009a), Braun & Cook (2012a), Klenke & Scholler (2015a).

11/12/2016