{"id":3632,"date":"2023-04-07T17:15:03","date_gmt":"2023-04-07T15:15:03","guid":{"rendered":"https:\/\/soigneralzheimer.com\/?p=3632"},"modified":"2023-04-08T15:39:04","modified_gmt":"2023-04-08T13:39:04","slug":"collybie-et-mycene","status":"publish","type":"post","link":"https:\/\/soigneralzheimer.com\/fr\/collybie-et-mycene\/","title":{"rendered":"Collybie et myc\u00e8ne"},"content":{"rendered":"\n

La collybie des c\u00f4nes d’\u00e9pic\u00e9as et le myc\u00e8ne poussent au m\u00eame endroit et sont faciles \u00e0 distinguer. Un chapeau en cloche pour le myc\u00e8ne, et un pied gris et cassant alors que le pied de la collybie pr\u00e9sente des tons jaunes et qu’il est plus facile de le plier sans le casser. Les spores du myc\u00e8ne sont un peu plus grands. A gauche le myc\u00e8ne et \u00e0 droite la collybie:<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n<\/figure>\n\n\n\n

<\/p>\n\n\n\n

comparaison microscopique de trois esp\u00e8ces de collybies <\/h2>\n\n\n\n

Il existe trois esp\u00e8ces de collybies qui ne sont pas differentiables macroscopiquement: strobilurus esculentus (Fichten-Zapfenr\u00fcbling), s. stephanocystis (Milder Kiefern-Zapfenr\u00fcbling) et s. tenacellus (Bitterer Kiefern-Zapfenr\u00fcbling). Le premier pousse sur les c\u00f4nes d’\u00e9pic\u00e9as alors que les deux derniers poussent sur les c\u00f4nes de pin. On ne prend donc pas de risque lorsqu’on se limite aux for\u00eats d’\u00e9pic\u00e9as. <\/p>\n\n\n\n

Je suis cependant curieuse de voir si j’arrive \u00e0 distinguer ces trois esp\u00e8ces \u00e0 l’aide du microscope.<\/p>\n\n\n\n

<\/td>s. esculentus <\/td>s. stephanocystis <\/td>s. tenacellus <\/td><\/tr>
spores <\/td>5-7.5\u00d73-4\u03bc<\/td>5-7\u00d72.5-3.5\u03bc<\/td>5-6.5\u00d72.5-3.5\u03bc<\/td><\/tr>
cystides<\/td>arrondis au sommet, avec ou sans cristaux <\/td>largement arrondi avec des cristaux la plupart du temps<\/td>pointus, cristaux rares<\/td><\/tr><\/tbody><\/table>
Trois esp\u00e8ces de collybies macroscopiquement similaires.<\/figcaption><\/figure>\n\n\n\n

Apr\u00e8s un petit tour en for\u00eat, je pense avoir trouver s. esculentus (\u00e0 gauche), s. tenacellus (au milieu) et s. stephanocystis (\u00e0 droite):<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"

La collybie des c\u00f4nes d’\u00e9pic\u00e9as et le myc\u00e8ne poussent au m\u00eame endroit et sont faciles \u00e0 distinguer. Un chapeau en cloche pour le myc\u00e8ne, et un pied gris et cassant alors que le pied de la collybie pr\u00e9sente des tons jaunes et qu’il est plus facile de le plier sans le casser. Les spores du 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