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Blackspot

Diplocarpon rosae

Description:

Every rose gardener hates this guy! It seems to be particularly bad in our yard this year. Threw the leaf under the scope to see what it looked like up close. I'm not actually sure if I'm looking at the fungus or just cellular debris from dead tissue. 100x. Next time I'll try at least 400, because I looked it up and D. rosae should be on the order of 10-20 micrometers long.

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1 Comment

Hema
Hema 7 years ago

good to know this one. Most people have rose plants .

HayleyBoBailey
Spotted by
HayleyBoBailey

Portland, Oregon, USA

Spotted on May 15, 2014
Submitted on May 25, 2014

Reference

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