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30-12-2024 15:53

Jean-Luc Ranger

Je pense être dans ce genre mais sans certitude:

31-12-2024 15:39

Jean-Paul Priou Jean-Paul Priou

Tout d'abord, meilleurs voeux de bonne santé à t

30-12-2024 23:57

Robin Isaksson Robin Isaksson

Hi! This one i have hard to find anything on. Does

01-01-2025 11:35

Marc Detollenaere Marc Detollenaere

Dear Forum,On rotten wood of Fraxinus excelsior I

31-12-2024 15:12

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et à tous,Pourriez-vous me conf

01-01-2025 13:45

Enrique Rubio Enrique Rubio

THESE BLACKISH ASCOMATA WERE SEMI-IMMERSED IN A HA

15-12-2024 15:44

Yannick Mourgues Yannick Mourgues

Here is a Lachnum found on dead branches of Erica

15-12-2024 14:34

Yannick Mourgues Yannick Mourgues

HI. Found this very small cf. Olla specie on deco

15-12-2024 13:56

Yannick Mourgues Yannick Mourgues

Hello. I would like to have your opinions on this

29-12-2024 23:32

ruiz Jose antonio

Hola a todos, de tamaño de unos 3 mm, algunas par

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Trichoderma sinuosum ?
Yves Antoinette, 04-11-2024 17:32
Bonjour, je pense qu'il peut s'agir de Trichoderma sinuosum = Hypocrea sinuosa : Lignicole. Petites boules jaune citron avec ostioles plus claires à la surface, comme des périthèces mais sans asques : immature ?  NaOH orangé. Diamètre <= 1 mm.

Merci pour tout commentaire.
  • message #80586
Eduard Osieck, 08-11-2024 17:52
Re : Trichoderma sinuosum ?
Hypocrea sinuosa doesn’t show such a red reaction to KOH (assuming the NaOH reaction is similar) and has green spores. If the perithecia were bulging out and spores hyaline, compare with H. silvae-virgineae (see the excellent papers on green and hyaline spored Hypocrea species by Jaklitsch). Eduard
Yves Antoinette, 20-11-2024 10:03
Re : Trichoderma sinuosum ?
Thank you very much Eduard for identification and very interesting literature. A general question about taxonomy, why, when I have a look in Index Fungorum or Mycobank, all Trichoderma are not renamed Hypocrea as it should be if Hypocrea is the teleomorph ? Maybe it's a question of time ?
Eduard Osieck, 21-11-2024 22:18
Re : Trichoderma sinuosum ?
See the paper by Jaklitsch & Voglmayr in a Mycotaxon:  https://www.ingentaconnect.com/content/mtax/mt/2013/00000126/00000001/art00020#
Eduard