About Rusts

Disease About These Diseases Crops of Special Concern

Pathogens that cause rust diseases have complex life cycles with up to five different spore stages and two botanically unrelated hosts. They are obligate parasites that require a living host. Elimination of alternate hosts, sanitation, and protective fungicide applications are management options.

Carnation, Fuchsia, Florist's Geranium, Gladiolus, Lilium, Poinsettia, Snapdragons, and Viola (pansy)