Accès membres

Mot de passe perdu? S'inscrire

02-07-2020 16:05

Thomas Læssøe

see: https://svampe.databasen.org/observations/10

08-07-2020 00:01

Shane John

I would ask the indulgence of the group to perhaps

03-07-2020 20:54

Castillo Joseba Castillo Joseba

me mandan el material seco recolectado en rama de

07-07-2020 00:35

Garcia Susana

Hola, He encontrado estos ascomas creciendo inmer

07-07-2020 21:07

Lieve Deceuninck Lieve Deceuninck

Dear members of this forumCould this find be Cheil

06-07-2020 17:11

Thomas Læssøe

see: https://svampe.databasen.org/observations/10

06-07-2020 12:55

Thomas Læssøe

see: https://svampe.databasen.org/observations/10

07-07-2020 13:34

Markov Sergey

I found this peziza sp. on loamy soil - on the gro

06-07-2020 11:16

Valencia Lopez Francisco Javier

Hola a tod@sHace unos días recolecte este hongo e

06-07-2020 16:40

Michel Delpont Michel Delpont

Bonjour à tous. Sur crottes de chèvres deux exe

« < 1 2 3 4 5 > »
Asco on stromata of Rhytisma salicinum
Enrique Rubio, 05-08-2013 20:01
Enrique RubioHello again

This spring we have found this strange fungus, perhaps close to the genus Ciboria, growing on old stromata of Rhytisma salicinum on decaying leaves lying on the ground of Salix sp. at 1600 m of altitude. At the same place thay are many stromata with  the ascomata of Rhytisma salicinum hanging on the branches of Salix.
This fungus was previously collected in another far place by our friend A. Román  and was showed in Ascofrance  http://www.ascofrance.com/search_forum/7900.


The ascospores are 2-nucleate, with polar dextrinoid bodys and late they seem to make sphaeric microconidia. Asci with apical pore of the Sclerotinia-type, with croziers. Medullary excipulum of textura intricata. Ectal excipulum globulosa, not blueing in IKI.  The paraphyses have not conspicuous Vb's. 


Have you any idea?
Thanks again
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
  • message #24692
Hans-Otto Baral, 05-08-2013 21:45
Hans-Otto Baral
Re : Asco on stromata of Rhytisma salicinum
Very interesting!

On Salix leaves exist with a similar spore size:
Moellerodiscus rathenowiana
Sclerotinia foliicola (Cash & Davidson) Whetzel
Ciborinia wisconsiensis  Batra

Not sure what Huhtinen 1985: 494 described as Ciborinia sp. from N-Quebec, on a flat sclerotium on salix leaves. Did he mistake the Rhytisma for a sclerotium??

Zotto
Enrique Rubio, 05-08-2013 22:07
Enrique Rubio
Re : Asco on stromata of Rhytisma salicinum
Thanks Zotto
Do you know where Huhtinen descibed the Ciborinia on Salix leaves?
Hans-Otto Baral, 05-08-2013 22:10
Hans-Otto Baral
Re : Asco on stromata of Rhytisma salicinum
You mean in which journal?

Here
Enrique Rubio, 05-08-2013 22:28
Enrique Rubio
Re : Asco on stromata of Rhytisma salicinum
Yes! I wanted this paper. Thanks

 
Really it's very difficult to know if Huhtinen's fungus is the same because he draws roundish guttules at the poles (the mine have only small guttules) and the ectal excipulum is said built by a textura angularis whereas in our fungus is clearly globulosa.


Hans-Otto Baral, 05-08-2013 22:33
Hans-Otto Baral
Re : Asco on stromata of Rhytisma salicinum
I assume he studied in the dead state, so globulosa may turn to angularis and LBs fuse :-)
Enrique Rubio, 05-08-2013 22:40
Enrique Rubio
Re : Asco on stromata of Rhytisma salicinum
Yes. You are right. It's very possible