Microbotryum flosculorum (de Candolle) Vánky, 1998

Fungi, Microbotryaceae

op Knautia, Succisa

on Knautia, Succisa

Knautia arvensis, Engeland, Vice County: Berks, VC22 © Malcolm Storey, BioImages

Microbotryum flosculorum on Knautia arvensis

Knautia arvensis, England, Vice County: Berks, VC22 © Malcolm Storey, BioImages

de meeldraden zijn gevuld met sporen

Microbotryum flosculorum on Knautia arvensis

the anthers are filled with spores

sporen

Microbotryum flosculorum: spores

spores

Succisa pratensis, België, prov. Namen, Roly © Sébastien Carbonelle

Microbotryum flosculorum: galls on Succisa pratensis

Succisa pratensis, Belgium, prov. Namur, Roly © Sébastien Carbonelle

geopende bloemen

Microbotryum flosculorum: galls on Succisa pratensis

opened flowers

gal: De helmhokken zijn veranderd in een violet-bruine poederige massa sporen. Sporen 12-16 x 14-18 µm. De aantasting is systemisch.

gall: the anthers are transformed into a purplish-brown powdery mass of spores. Spores 12-16 x 14-18 µm. The infection is systemic.

waardplanten: Caprifoliaceae, nauw oligofaag

hostplants: Caprifoliaceae, narrowly oligophagous

Knautia arvensis, dipsacifolia; Succisa pratensis.

synoniemen: Bauhinus flosculorum (de Candolle) Denchev, 1997; Ustilago flosculorum (de Candolle) Fries, 1832.

synonyms: Bauhinus flosculorum (de Candolle) Denchev, 1997; Ustilago flosculorum (de Candolle) Fries, 1832.

literatuur:

references:

Buhr (1964b), Klenke & Scholler (2015a), Lutz & Vánky (2009a), Mayor (1967a, 1975a), Redfern & Shirley (2011a), Spooner & Legon (2006a), Vánky (1994a).

18/02/2017