Other rust diseases
July 8, 2015
Rusts and smuts
Aconitum, Anemone, Aquilegia, Arisaema, Aster, Campanula, Hemerocallis, Heuchera, Liatris, Lupinus and Monarda.
Raised reddish orange pustules on propagated Arisaema.
Several perennials are commonly affected by rust diseases. Each rust pathogen has its own relatively small host range. Disease management strategies are fairly similar for this group of pathogens.
Rust lesions on Heuchera. The lesions may drop out of the leaf, creating a shot hole.
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