Biology, Nature Powdery mildew on the leaf of a flower Posted by yengkhom on December 29, 2018December 29, 2018 Occurrence of powdery spores on the leaf of a flower Powdery mildew spores as seen under foldscope Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related