File:Britannica Hop and Strawberry Mildew.png

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Description Sphaerotheca humuli, Hop and Strawberry Mildew.
Date published 1911
Source 1911 Encyclopædia Britannica article on “Strawberry”
Author Unknown authorUnknown author
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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.

Caption:

Small portion of surface of hop leaf showing the fructification or perithecia (p) of the fungus attached to the surface; h, a hair of the leaf surface. (× 200.) 1, A single perithecium bursting; 2, a chain of spores or conidia. (1 and 2 × 400).

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current18:37, 13 April 2010Thumbnail for version as of 18:37, 13 April 2010966 × 474 (27 KB)Bob Burkhardt (talk | contribs){{Information |Description=''Sphaerotheca humuli'', Hop and Strawberry Mildew. |Source=1911 Encyclopædia Britannica article on “Strawberry” |Date=published 1911 |Author=unknown |Permission={{PD-Britannica}} |other_versions= }} [[Category:Botanical i

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