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Bonsoir,Le dernier du jour, en attendant votre avi
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éric ROMERO
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Toutes les tiges de gentianes jaunes de l'an passÃ
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Bonjour à nouveau, Voici une trouvaille d'hier.
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Fungicolous discomycete on Merulius tremellosus
Alex Akulov,
23-10-2011 12:56
Dear FriendsCan you advise me about mysterious fungicolous discomycete sample, which I have collected recently? It is sligthly immature, but some important for identification structures already was formed.
Grateful before,
Alex
Hans-Otto Baral,
23-10-2011 17:24
Re : Fungicolous discomycete on Merulius tremellosus
Hi Alex
the fungus looks mature! But the free spores you show look like Chalara conidia.
I remember to have seen such spores but not where. You don't have it fresh? The contents of the living paraphyses could help. Are there any hairs?
Zotto
the fungus looks mature! But the free spores you show look like Chalara conidia.
I remember to have seen such spores but not where. You don't have it fresh? The contents of the living paraphyses could help. Are there any hairs?
Zotto
Alex Akulov,
23-10-2011 17:43
Re : Fungicolous discomycete on Merulius tremellosus
Thank you, Zotto
I see not any hairs. The sample was collected 2 weeks ago and is a little dry.
I'll try to make additional preparations of this fungus.
I see not any hairs. The sample was collected 2 weeks ago and is a little dry.
I'll try to make additional preparations of this fungus.
Alex
Hans-Otto Baral,
23-10-2011 17:48
Re : Fungicolous discomycete on Merulius tremellosus
maybe you succeed with a section? Excipular structure is always important.
Zotto
Zotto
Alex Akulov,
23-10-2011 18:44
Re : Fungicolous discomycete on Merulius tremellosus
Dear Zotto
You are right. Ascospores really widely fusiform, with two large drops;
in the average 5.8 - 6.0 x 2.8-2.9 (within asci - much smaller: 4,9-5,2 x 2,8).
You are right. Ascospores really widely fusiform, with two large drops;
in the average 5.8 - 6.0 x 2.8-2.9 (within asci - much smaller: 4,9-5,2 x 2,8).
I find no any characteristic hairs. If they are present, morphologically indistinguishable from paraphyses.
AlexÂ
Hans-Otto Baral,
23-10-2011 20:41
Re : Fungicolous discomycete on Merulius tremellosus
I have one idea: Look on the DVD for Calycina (Svrcek used Calycellina) guttulifera Svrc., especially 5177a, or the type 7107. The species is not easy, and I have seen only 2 fresh collections which probably belong to 2 different species. But your fungus could well be guttulifera, though the apical ring is a bit different in your fungus (broader and stronger blue).
In the living parapghyses is a distinct refractive vacuole, and towards the base densely septate.
Zotto
In the living parapghyses is a distinct refractive vacuole, and towards the base densely septate.
Zotto
Alex Akulov,
23-10-2011 20:59
Re : Fungicolous discomycete on Merulius tremellosus
Zotto,
thank you very much for help!
Alex
thank you very much for help!
Alex