File:EB1911 Vine, Disease.jpg

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Vine, Disease

Summary

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Description
English:

1. Vine leaf attacked by mildew, Uncinula necator (Erysiphe Tuckeri), which forms white patches on the upper face, reduced.
2. Grapes similarly attacked.
3. Portion of the mycelium of the fungus bearing spores (conidia), "s", on erect branches.
4. Perithecium or "fruit" of the fungus with its curled appendages.
5. Ascus from perithecium containing six spores.

Date published 1911
Source 1911 Encyclopædia Britannica, vol. 28, pg. 94.
Author Unknown authorUnknown author

Licensing

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current11:05, 8 October 2020Thumbnail for version as of 11:05, 8 October 2020750 × 640 (201 KB)Francois-Pier (talk | contribs)Uploaded a work by {{Unknown}} from 1911 Encyclopædia Britannica, vol. 28, pg. 94. with UploadWizard

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