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File:Downy and Powdery mildew on grape leaf.JPG
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پرونده:Downy and Powdery mildew on grape leaf.JPG
(21263 bytes) {{Information| |Description=Example of both
Downy
and
Powdery
mildew
on
a
grape
leaf
|Source= USDA ARS |Date= |Author= David B. Langston, University