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Anamorph (??) on Ficaria verna
William Slosse,
10-04-2021 16:53
recently I found a large growing place of Ficaria verna subsp on the edge of a Flemish polder forest.
In search of the rust Uromyces dactylidis, which I also found, I discovered on the leaves several concentric growing clusters of yellow-orange structures that I thought were undeveloped aecia.
Under the microscope, the structures were found to be filled with conidia (?) and numerous conidiospores (?) were swimming in the reagent liquid.
I also noticed the pointed, paraphysis-like structures.
I don't find any leads in Ellis & Ellis.
Does this anamorph (?) ring a bell for someone?
Greetings, William
Björn Sothmann,
10-04-2021 17:00
Re : Anamorph (??) on Ficaria verna
Hi WIlliam,
macrroscopically this looks like spermogonia of a rust fungus. So if you found aecia of U. dactylidis/poae on the same leave,this most likely are the associated spermogonia, though there are two other Uromyces species on Ficaria that could of course have infected the same plant.
Björn
William Slosse,
10-04-2021 17:40
Re : Anamorph (??) on Ficaria verna
Thx for your suggestion, Björn.
Perhaps this also could be an Entyloma sp?
Regards,
William
Perhaps this also could be an Entyloma sp?
Regards,
William
Björn Sothmann,
11-04-2021 17:12
Re : Anamorph (??) on Ficaria verna
Entlyoma ficariae looks different. Macroscopically, it produces white leaf spots, sometimes covered with the corresponding anamorph. The conidia of the anamorph are lanceolate. Teliospores of the rust which are inside the leaf are thickwalled, hyaline and more or less round.
Chris Yeates,
12-04-2021 16:41