Hymenoscyphus albidus / Hymenoscyphus pseudoalbidus , Natura Mediterraneo

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Hymenoscyphus albidus / Hymenoscyphus pseudoalbidus

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Kirisits
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Città: Wien

3 Messaggi
Micologia

Inserito il - 02 luglio 2011 : 22:50:06

Dear mycologists,

I need to apologize! I do not speak English and therefore write to you in English.

In Vinna we are working on the emerging, serious dieback of Fraxinus excelsior caused by Hymenoscyphus pseudoalbidus that is now widespread in continental Europe (but so far only locally distributed in Italy). The pathogen has been described only recently and found to be distinct from the apparently native, but morphologically identical Hymenoscyphus albidus (Queloz et al. Forest Pathology 2011).

A Ph.D. student of ours is aiming to examine herbarium specimens of H. albidus / H. psudolabidus in order to clarify to which species they belong to. She intends to investigate the specimens both morphologically and with molecular markers.

I therefore wanted to ask you, whether anybody of you has herbarium specimens of H. albidus (sensu lato) and is willing to share them with us for investigation? The molecular investigations would require that some apothecia and/or parts of the pseudosclerotial plates present on the leaf petioles / rachises are removed and processed. Therefore, I also wanted to ask whether such investigations would be allowed, should specimens be available.

I thank you for your time and efforts to answer my request and look forward to it!

With kind regards,

Thomas Kirisits
(thomas.kirisits@boku.ac.at; Link

)

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