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Bonjour, Marie-Rose D'Angelo (Société Mycologiq
Orbilia Tipo coccinella
Blasco Rafael,
02-05-2018 16:56
Hola, parece que sea la propuesta? sobria madera dura de planifolio espuesta al sol, en la cara inferior contra el suello.
diametro 0,7 --- 0,8 mm
esporas entre 4--5,5 x 2,5--3
ascas hasta 40 x 4
parafisis capitadas
lo mas parecido que veo es coccinella pero el ancho de espora que tengo es un poco alcalde
A
Rafael saludo
Hans-Otto Baral,
02-05-2018 17:49
Re : Orbilia Tipo coccinella
If you take coccinella in the old sense (today it is a species with croissant-spores).
I think O. eucalypti, now the name for coccinella s. auct.
The spores are a bit narrow, I doubt 3 µm, rather 2 µm I guess.
You should be able to put a scale because you have always the same magnification.
The orange apos tell me that this drought-tolerant fungus grew light-exposed when the branch was still in the crown, is it possible?
Zotto
I think O. eucalypti, now the name for coccinella s. auct.
The spores are a bit narrow, I doubt 3 µm, rather 2 µm I guess.
You should be able to put a scale because you have always the same magnification.
The orange apos tell me that this drought-tolerant fungus grew light-exposed when the branch was still in the crown, is it possible?
Zotto
Blasco Rafael,
02-05-2018 19:10
Re : Orbilia Tipo coccinella
Hola Zotto
He comprobado la escala y esta bien,
Tengo que hacer fotografia por el ocular y poder poner la escala en las microfotografias
la mayoria esporas estan sobre 2,5 llegando algunas a 3, por eso anoto hasta 3 micras, (puede ser 2,9 y se me va la vista) tambien las hay de unas 2 micras, no las anoto por pensar que son de Ascas rotas y por lo tanto inmaduras.
La rama estaba al sol pero los apotecios estaban en la cara del suelo, pero esta rama estaba muy seca
Rafael
He comprobado la escala y esta bien,
Tengo que hacer fotografia por el ocular y poder poner la escala en las microfotografias
la mayoria esporas estan sobre 2,5 llegando algunas a 3, por eso anoto hasta 3 micras, (puede ser 2,9 y se me va la vista) tambien las hay de unas 2 micras, no las anoto por pensar que son de Ascas rotas y por lo tanto inmaduras.
La rama estaba al sol pero los apotecios estaban en la cara del suelo, pero esta rama estaba muy seca
Rafael
Hans-Otto Baral,
02-05-2018 20:54
Re : Orbilia Tipo coccinella
o.k., I mean if you would photograph a calibration slide, then you could produce a scale for your 1000x photos and put it on some of the images. Then I can go and measure the spore size.
Without scale I can only guess. But I can see the length:width ratio, and when you say the spores reach 5.5 µm, then the width cannot be 3 µm, this is impossible.
I will illustrate:
See below, I made a scale by which the longest spore is 5.5 µm. Then I arrive at a spore size of 4.5-5.5 x 1.8-1.9 µm. Since you found also 4 µm long spores, the true scale length can only be longer, not shorter, and therefore the spores are max 1.9 or 2 µm wide.
Zotto
Without scale I can only guess. But I can see the length:width ratio, and when you say the spores reach 5.5 µm, then the width cannot be 3 µm, this is impossible.
I will illustrate:
See below, I made a scale by which the longest spore is 5.5 µm. Then I arrive at a spore size of 4.5-5.5 x 1.8-1.9 µm. Since you found also 4 µm long spores, the true scale length can only be longer, not shorter, and therefore the spores are max 1.9 or 2 µm wide.
Zotto
Blasco Rafael,
03-05-2018 06:48
Re : Orbilia Tipo coccinella
Entonces tengo que revisar mis Dioptrias, puede ser que este viendo mal las mediciones de 1 a 2 micras
de todas maneras trato de poner la escala en las fotos
Gracias por la ayuda
Rafael
de todas maneras trato de poner la escala en las fotos
Gracias por la ayuda
Rafael
Hans-Otto Baral,
03-05-2018 07:06
Re : Orbilia Tipo coccinella
If you succeed, pease include a scale also to my photo, so that I can see how wrong mine was.
It was enlarged by exactly 200% to better enable measurements with the ruler.
This collection is not too banal, the spore l:w ratio is unusual. Did you keep a dried specimen? How abundant is it? Could you please send me the collection data?
Zotto
It was enlarged by exactly 200% to better enable measurements with the ruler.
This collection is not too banal, the spore l:w ratio is unusual. Did you keep a dried specimen? How abundant is it? Could you please send me the collection data?
Zotto