File:Britannica Strawberry Leaf-spot Fungus.png

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Description Sphaerella fragariae - the fungal cause of strawberry leaf spot
Date published 1911
Source 1911 Encyclopædia Britannica article on “Strawberry” (from George Maasee's Textbook of Plant Diseases, by permission of Duckworth & Co.)
Author George Maasee
Permission
(Reusing this file)
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.

Caption:

1, Strawberry leaf showing diseased spots.
2, Ascus with eight spores from a perithecium. (× 300.)
3, Spores or conidia of the Ramularia stage. (× 300.)

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current18:57, 13 April 2010Thumbnail for version as of 18:57, 13 April 2010825 × 835 (57 KB)Bob Burkhardt{{Information |Description=''Sphaerella fragariae'' - the fungal cause of strawberry leaf spot |Source=1911 Encyclopædia Britannica article on “Strawberry” (from George Maasee's ''Textbook of Plant Diseases'', by permission of Duckworth & Co.) |Date=

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