Foliar tar spot fungus (Rhytisma arbuti) on rusty menziesia

Have you seen black spots on false azalea/rusty menziesia? Plentiful rain in SE Alaska has led to an abundance of the foliar tar spot fungus (Rhytisma arbuti). It doesn’t do much damage since it occurs after seedset. For more information visit:

Posted by awenninger awenninger, September 16, 2020 15:49


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