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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Seed
Dragiša Savic, 22-04-2014 13:41
Seed of unknown plants.


  • message #28863
  • message #28863
Hans-Otto Baral, 22-04-2014 16:12
Hans-Otto Baral
Re : Seed
This should be the anamorph of Symphyosirinia clematidis on Clematis seed. Could you please take a photo of the conidia in water, under larger scale?
Dragiša Savic, 22-04-2014 21:14
Re : Seed
Bravo Zotto,
I'm sorry but this is not possible, I found it a month ago. I do not have my microscope and occasionally use one at the University. Therefore I use Lactofenol than water because it evaporates quickly.
Hans-Otto Baral, 22-04-2014 21:23
Hans-Otto Baral
Re : Seed
Evaporation of water is a problem but is slow enough to make 100 microphotos of a preparation.

It is well possible that the conidia are still alive in your dried specimen. If so and mounted in water they will contain lots of conspicuous drops. I put two bad photos here, one in water, the other in Cresyl blue.

Also a photo with apothecia and anamorph.

Zotto
  • message #28870
  • message #28870
  • message #28870
Dragiša Savic, 22-04-2014 21:35
Re : Seed
No,no, I do preparation immediately and micrioscope later, sometimes after 10 to 20 days.
Hans-Otto Baral, 22-04-2014 21:47
Hans-Otto Baral
Re : Seed
Let me please tell you that you should reconsider your methods. You loose a lot of information. The droplets in spores and conidia are only one of many features that are destroyed with your method. They are important species markers but are very difficult to use in dead material. When mounting in lactophenol they become even invisible and/or confluent.

Zotto
Dragiša Savic, 22-04-2014 22:19
Re : Seed
Thanks, I'm still learning. I plan to buy a microscope soon.