File:Sclerotinia urnula (Kryptogamen-Flora von Deutschland).jpg
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[edit]DescriptionSclerotinia urnula (Kryptogamen-Flora von Deutschland).jpg |
Deutsch: Sclerotinia urnula (Weinm.) Rehm. (= Monilinia urnula (J. Schröter) Whetzel)
Sclerotium in der Grösse und allgemeinen Gestalt den Beeren der Nährpflanze gleichkommend, seitlich mit vier starken Rippen, aussen schwarzbraun, innen weiss. Fruchtkörper einzeln oder zu zwei aus einem Sclerotium erwachsend, langgestielt. Stiel 1—4 cm lang, 1 — 1,5 mm breit, dunkelbraun, am Grunde mit wurzelartigen braunen Zotten besetzt. Becher anfangs trichterförmig, später halbkugelig, zuletzt flach schüssel- oder tellerförmig, mit glattem, stumpfem Rande, dunkel zimmet- oder kastanienbraun. Schläuche cylindrisch, etwa 130—200 u lang, 11—14 u breit, achtsporig. Sporen schief einreihig oder unregelmässig zweireihig, ellip- soidisch, 14—17 u lang, 5,6—9 u breit. Inhalt mit mehreren Fetttröpfchen in der Mitte. Konidien zweierlei Art: 1. Klein, kugelig, wie bei S. tuberosa. 2. Schiramelartige Überzüge von schneeweisser oder schwach gelblicher Farbe bildend, mit mandelartigem Geruch. Fruchthyphen wiederholt dichotom ver zweigt, in Sporenketten zerfallend. Sporen zitronenförmig, etwa 22—28 u lang, 14—18 u breit, bei völliger Reife mit halbkugeligen Anhängseln an den Enden und durch spindelförmige Zwischenstücke getrennt, farblos. — Sclerotien in den Früchten von Vaccinium Vitis Idaea, die dadurch schmutzig lederbraun werden. Français : Sclerotinia urnula (Weinm.) Rehm. (= Monilinia urnula (J. Schröter) Whetzel) Explication : Fig. 1. Sclerotinia urnula, plant d'airelle rouge (Vaccinium vitis-idaea) avec un fruit sclérotique, à la base à gauche une feuille morte, initialement attaquée par le champignon conidien. " 2 - Forme conidienne de Sclerotinia urnula en coussinet blanc sur la nervure médiane d'une feuille de myrtille tuée. "3. fruits tubulaires émergeant des baies d'airelle rouge transformées en sclérotes. 4. asque. |
Date | |
Source | Kryptogamen-Flora von Deutschland, Band III. Pilze. 3. Teil. 2, Gera, R. : Verlag Friedrich von Zezschwitz (Digital Library of Real Jardin Botanico : Tafel CLXVII und Tafel CLXIX) |
Author | Walther Migula (1863-1938) |
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current | 03:32, 23 June 2022 | 1,051 × 648 (338 KB) | Abalg (talk | contribs) | Uploaded a work by Walther Migula (1863-1938) from Kryptogamen-Flora von Deutschland, Band III. Pilze. 3. Teil. 2, Gera, R. : Verlag Friedrich von Zezschwitz (Digital Library of Real Jardin Botanico : [https://bibdigital.rjb.csic.es/viewer/11796?viewer=picture#page=456&viewer=picture&o=ocr&n=0&q= Tafel CLXVII] und [https://bibdigital.rjb.csic.es/viewer/11796?viewer=picture#page=466&viewer=picture&o=ocr&n=0&q= Tafel CLXIX]) with UploadWizard |
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