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03-05-2011 13:09

Enrique Rubio Enrique Rubio

Dear friends: This Cosmospora? species grews on o

02-05-2011 19:36

François Valade François Valade

Christian L'heure des messages est incorrecte, el

01-05-2011 23:48

Pascal Ducos

Bonjour, apothécies jaune pâle de 4 à 6-8 mm,

26-04-2011 20:41

maurice pelissier maurice pelissier

bonjour j'ai trouvé sur un tronc d'arbre fraich

25-04-2011 22:16

Rodríguez Borja Rodríguez Borja

Hola Os pido una ayuda sobre esta especie recogid

25-04-2011 22:09

Michel RIMBAUD

Bonjour, Je suis complètement perdu devant un pe

25-04-2011 00:57

Yannick Mourgues Yannick Mourgues

Bonsoir à tous. Trouvé sur branche morte encore

23-04-2011 00:49

DirkW DirkW

salut a tous, does anybody know this imperfect

20-04-2011 09:54

Eric Strittmatter

Bonjour à tous, ce printemps les collègues de

19-04-2011 21:05

Björn Wergen Björn Wergen

Hi, just a short question: Is this Phaeosphaeri

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Cosmospora sur Amphiporhe leiphaemia
Enrique Rubio, 03-05-2011 13:09
Enrique RubioDear friends:
This Cosmospora? species grews on old stromata of Amphiporthe leiphaemia on Quercus robur branches.
The perithecia are yellowish orange.
  • message #15175
Enrique Rubio, 03-05-2011 13:11
Enrique Rubio
Re:Cosmospora sur Amphiporhe leiphaemia
The spores turn brown and they have, at maturity, a cristate verrucose ornamentation
  • message #15176
Enrique Rubio, 03-05-2011 13:12
Enrique Rubio
Re:Cosmospora sur Amphiporhe leiphaemia
The peridium seems to have a hyaline pilose acute cover.
Can you help me ?
Many thanks again
Enrique
  • message #15177
Alain GARDIENNET, 03-05-2011 13:30
Alain GARDIENNET
Re:Cosmospora sur Amphiporhe leiphaemia
Hi Enrique,
Have you verify that the old stromata are those of an Amphiporthe and not those of Diatrypella quercina ?
Your photos of ascospores are wonderful !
Your recolt is probably well known by Christian.
Alain
Enrique Rubio, 03-05-2011 13:43
Enrique Rubio
Re:Cosmospora sur Amphiporhe leiphaemia
Salut Alain
Non. Je ne suis pas bien sur parce que les peritheces parasités sont tres vieux et ils n'ont pas de contenu, mais autres branches voisines sont colonisées par l'Amphiporthe.
Enrique
Christian Lechat, 03-05-2011 17:59
Christian Lechat
Re:Cosmospora sur Amphiporhe leiphaemia
Hi Enrique,
I think it's an interesting species!!!
could you please to make a vertical section of old stromata?
Ascospores of your specimen seems striate, this characteristic is unusual in the genus Cosmospora sensu lato. Moreover, it would be necessary to show the ascomata with hairs of your specimen and a vertical section of lateral wall.
Regards,
Christian
Enrique Rubio, 03-05-2011 20:38
Enrique Rubio
Re:Cosmospora sur Amphiporhe leiphaemia
Hi Christian
If you wish it, I will send you our collection
Enrique
Christian Lechat, 04-05-2011 05:10
Christian Lechat
Re:Cosmospora sur Amphiporhe leiphaemia
Ok Enrique,
We have to know its anamorphic state, we have to cultivate it for that.
Send me please your specimens dried at room temperature.
Have a nice day,
Christian
Enrique Rubio, 04-05-2011 17:57
Enrique Rubio
Re:Cosmospora sur Amphiporhe leiphaemia
OK., Christian.
Enrique