Elsinoë rosarum
Encyclopedia
Elsinoe rosarum, Anthracnose, is a fungal plant pathogen. It is a condition found on rose
Rose
A rose is a woody perennial of the genus Rosa, within the family Rosaceae. There are over 100 species. They form a group of erect shrubs, and climbing or trailing plants, with stems that are often armed with sharp prickles. Flowers are large and showy, in colours ranging from white through yellows...

s, causing leaves to have irregular dark margins and spots. The disease usually appears during wet weather.

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