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Ascocoryne inflata ?
Pascal Ducos,
12-01-2009 10:34
J'ai récolté hier un Ascocoryne sur bois bien pourri et imbibé (Robinia ou Quercus)
après observation micro et consultation de la clé de H.O. Baral 2000 (magnifique d'ailleurs...la clé, je ne connais pas l'auteur !), j'arrive à A. inflata sp.nov.
Carpophores de 2 à 6mm mous, gélatineux, appliqués au substrat, +ou- circulaires, à ridulés au centre
asques I+ octosporées uni à irrégulièrement bisériées, à base courte
zone médullaire constituée d'hyphes fins entremêlés, 1-3µ, très lâches avec beaucoup d'espace libre et parfois quelques renflements, aucun cristal aperçu
paraphyses cylindriques, fines, à extrémités toutes fortement ampoulées, globuleuses jusquà 7,2 µ, non guttulées,à contenu finement granuleux, parfois anastomosées entre elles, septées à l'extrémité
spores allongées avec une extrémité plus aigue, guttulée, à maturité deux guttules principales 3µ (4,5), 1 vers chaque extrémité accompagnées de + petites
ensuite septées, 1 seule cloison observée
dim = 15-22 x 3,6-5,5 µ
tube germinatif cylindrique sur certaines, qui sort vers l'extrémité (la plus obtuse ?)
conidies globuleuses en chaîne, rarement isolées, 3-4,2 µ, souvent en amas de spores et conidies mêlées
Pouvez-vous me confirmer la détermination ? L'espèce est-elle valide ?
Les photos ne sont pas très bonnes, désolé
J'ai laissé les échantillons dans une boîte fermée pour essayer d'obtenir des conidies plus nombreuses et plus claires ?
Je n'ai trouvé aucune doc sur le net pour cette espèce, en existe-t-il ?
Merci d'avance
Roger
Hans-Otto Baral,
12-01-2009 13:20

Re:Ascocoryne inflata ?
Hi Roger
is it your real name? I am the key author. Yes, I fully agree wit your determination. If you let the apos get overmature you will surely find more conidia. On your photos I do not see them very well, but they may indeed disarticulate although they mostly remain as a chain.
The species is very frequent and is the source of confusion concerning sarcoides and cylichnium, as it is actually absent from the literature. Wilson named it A. inflata in her thesis perhaps over 50 years ago, as it occurs also in N-America, but never validly published it. I am plannin an article since many years, sometimes together with a Slowak worker, but this is still unfinished.
Cheers
Zotto
is it your real name? I am the key author. Yes, I fully agree wit your determination. If you let the apos get overmature you will surely find more conidia. On your photos I do not see them very well, but they may indeed disarticulate although they mostly remain as a chain.
The species is very frequent and is the source of confusion concerning sarcoides and cylichnium, as it is actually absent from the literature. Wilson named it A. inflata in her thesis perhaps over 50 years ago, as it occurs also in N-America, but never validly published it. I am plannin an article since many years, sometimes together with a Slowak worker, but this is still unfinished.
Cheers
Zotto
Pascal Ducos,
12-01-2009 15:42
Re:Ascocoryne inflata ?
Hi Zotto
Thank you for your fast answer !
It is necessary to wait several days for the surmaturity ?
Cordial greetings
PS : My name is Pascal Ducos, the nickname comes from a story of big ears !
Thank you for your fast answer !
It is necessary to wait several days for the surmaturity ?
Cordial greetings
PS : My name is Pascal Ducos, the nickname comes from a story of big ears !
Hans-Otto Baral,
12-01-2009 18:23

Re:Ascocoryne inflata ?
Hi Pascal alias Roger
difficult to answer. maybe it takes a week at room temperature. The apos may thereby deteriorate to a certain degree.
Zotto
difficult to answer. maybe it takes a week at room temperature. The apos may thereby deteriorate to a certain degree.
Zotto
Pascal Ducos,
12-01-2009 20:33
Re:Ascocoryne inflata ?
No danger for apos, the temperature is low in my house!
They are going to wait a little bit
thank you still
Pascal
They are going to wait a little bit
thank you still
Pascal
Patrice LEFRANCOIS,
14-01-2009 10:26
Re:Ascocoryne inflata ?
Bonjour,
où trouve-t-on la clé de H.O. Baral 2000 ?
merci d'avance
Patrice
où trouve-t-on la clé de H.O. Baral 2000 ?
merci d'avance
Patrice
Hans-Otto Baral,
14-01-2009 13:04
Patrice LEFRANCOIS,
14-01-2009 13:28
Re:Ascocoryne inflata ?
merci beaucoup
Patrice
Patrice