Accès membres

Mot de passe perdu? S'inscrire

05-05-2020 16:12

Hardware Tony Hardware Tony

Hi, First time here, and in English so hope can tr

05-05-2020 15:36

Valencia Lopez Francisco Javier

Hola a tod@sAdjunto fotos macro/micro de unos asco

05-05-2020 21:44

Alain GARDIENNET Alain GARDIENNET

Hi forum, I'll need the paper below. If someone w

02-05-2020 23:48

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos Subo unas fotos de unas recolectas d

05-05-2020 01:05

Guy Buddy

Sunny days, This fruit on old Quercus leaves is re

03-05-2020 20:49

Andrés Valverde Valera Andrés Valverde Valera

Bonsoir,Je vous envoie quelques photos d'un Diatry

04-05-2020 22:00

Charles Aron Charles Aron

Hi All, I have found a mollisioid fungus on very

29-04-2020 10:55

Andgelo Mombert Andgelo Mombert

Bonjour, Sur branche morte de Berberis vulgaris.

07-04-2020 17:56

Mirek Gryc

Hello allCan anyone help me identify this unknown

03-05-2020 15:03

Andgelo Mombert Andgelo Mombert

Bonjour, Sur branchette morte de Betula pendula,

« < 444 445 446 447 448 > »
Dark spots and stripes on Pinus needles
Juuso Äikäs, 31-03-2018 17:46
These things seem to be quite common over here on fallen needles of Pinus sylvestris. I had a quick look at one spot under the microscope (400X, tap water). The asci had surprisingly (for me) sharp tips. The spores were filiform and for the first time I witnessed a spore leaving an ascus. It coiled out and then straightened. For a moment I thought that it was actually a worm :). I measured just one and it was 95 u long. At least some of the paraphyses had many septas. I'd assume this is easy to recognize from the looks alone but I have no idea about the identity of these things.
  • message #52901
  • message #52901
  • message #52901
Martin Bemmann, 31-03-2018 17:53
Martin Bemmann
Re : Dark spots and stripes on Pinus needles
Check Lophodermium pinastri.

Regards
Martin
Juuso Äikäs, 31-03-2018 18:54
Re : Dark spots and stripes on Pinus needles
That seems to fit very well, thanks!
Jacques Malassé, 02-04-2018 19:40
Re : Dark spots and stripes on Pinus needles
Hello Juuso,
FYI, I'm attaching scan of the genus Lophodermium I found in Dennis' "British Ascomycetes".
Perhaps it would be of some help. Kind regards
Jacques
  • message #52918
  • message #52918
  • message #52918
Juuso Äikäs, 02-04-2018 21:42
Re : Dark spots and stripes on Pinus needles
Thanks, much appreciated!