Mildew on Black Medick

Please try to include photos to show all parts of the fungus, eg top, stem, and gills.
Note any smells, and associated trees or plants (eg oak, birch). A spore print can be very useful.
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Mildew on Black Medick

Post by jimmymac2 » Fri Jul 20, 2018 8:04 am

Yesterday I noticed that a lot of the Black Medick Medicago lupulina growing in the gaps in the patio was looking very unhealthy. I looked closer and saw that most of it was infected with a mildew on both the upper and the lower surfaces of the leaves. I've never noticed this mildew before despite the medick being literally right on my doorstep, so I wonder if the excessive heat weakened the plants making them more susceptible to mildew. Anyway, I was wondering if anyone would be able to let me know which species this might be, or narrow it down a bit?

Thank you
Mildew on Medick.jpg
Mildew on Medick Microscope 2.jpg
Mildew on Medick Microscope 1.jpg
Always keep your eyes open... :shock:

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