BioImages: The Virtual Field-Guide (UK)
CAPNODIALES Woron., 1925 (sooty moulds)
| Warning: | Identification questionable |
| Date: | 1 May 2007 |
| Location: | Berks, England |
| Voucher: | 01/05/2007[A] (Please quote this in any queries about this record) |
| Record Summary: | Thick black coating on upper surfaces of living Holly leaves |
| Associated organism: | epiphyllous on live leaf of Ilex aquifolium |
| Identification Notes: | Hemispherical pustules with radiating dark brown thick-walled, septate, setae Reddish juice in KOH. Squash prep. contains many different structures: clumps of young asci with thick walls towards the apex, masses of spherical hyaline cells, thick-walled brown hyphae breaking into pairs of doliform cells (arthrospores), clusters of ?asci containing hyaline c. 8 minute spherical spores, as well as the matrix of brown-walled hyphae. Needs reinvestigating after a damp period when ripe spores should be present. |
Images etc
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Holly leaf with sooty mildew | 500 by 329 pixels | ||
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Sooty mildew - close-up - magnified | 500 by 406 pixels | ||
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Sooty mildew - magnified | 500 by 333 pixels | ||
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Squash prep - contents of unripe ?ascoma - magnified | 500 by 333 pixels | ||
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Squash prep - contents of unripe ?pycnidium magnified | 500 by 333 pixels | ||
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Squash prep - low magnification | 500 by 396 pixels | ||
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Squash prep - magnified | 500 by 448 pixels | ||
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Squash prep - magnified | 500 by 410 pixels | ||
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Squash prep - magnified | 500 by 405 pixels |
