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Iris Leaf Spot

450-600 (PPWS-90NP) Iris leaf spot (also called Heterosporium leaf spot) is the most common disease of iris in Virginia. It is caused by the fungus Cladosporium iridis (syn. Heterosporium iridis). Leaf spotting is most conspicuous on the upper half of the leaf following bloom.


8.5 x 11, 2 pages, DS, color, 24#

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