File:2012-06-10 Phragmidium tuberculatum Jul. Müll 226480.jpg
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Summary
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Phragmidium tuberculatum Jul. Müll. Image location: Davis, California, USA Growing on the leaves of a ornamental rose (Rosa sp.) Urediospores Thin wall 1 – 2 µm, slightly roughened. Spore range = (22) 24 – 27 (28) x (17) 19 – 22 µ Average spore = 25.4 × 20.07 µ Average Q = 1.28 15 urediospores measured. Teliospores (Pedicels not measured) Spore range = (65) 67 – 83 (88) x (31) 33 – 35 (36) µ Average spore = 76.1 × 34.3 µ Average Q = 2.22 10 teliospores measured. I haven’t been able to key this convincingly in either “Phragmidium Species of North America” or “North American Rose Rusts”, I suspect I need something more recent… Recognized by sight Used references: Morphological analyses of urediniospores and teliospores in seven Phragmidium species parasitic on ornamental roses – Dono Wahyuno, Makoto Kakishima and Yoshitaka Ono http://virtualmycota.landcareresearch.co.nz/... Based on microscopic features
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/226480, was reviewed on 12 May 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:15, 12 May 2018 | | 2,048 × 1,536 (778 KB) | Josef Papi (talk | contribs) | =={{int:filedesc}}== {{Information |Description='''''Phragmidium tuberculatum''''' Jul. Müll. Image location: Davis, California, USA Growing on the leaves of a ornamental rose (Rosa sp.) Urediospores Thin wall 1 – 2 µm, slightly roughened. Spore range = (22) 24 – 27 (28) x (17) 19 – 22 µ Average spore = 25.4 × 20.07 µ Average Q = 1.28 15 urediospores measured. Teliospores (Pedicels not measured) Spore range = (65) 67 – 83 (88) x (31) 33 – 35 (36) µ... |
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