Rust of Ornamentals
Phragmidium and Puccinia species
Phragmidium rusts produce two types of spores on the undersides of leaves. Early in the season yellow to orange, powdery, wind blown spores are released and later in the season black or dark overwintering spores are produced.
Chrysanthemums, Geraniums, Raspberry, Roses, Snap Dragons.
Origin and History:
Management and Control:
Related and Similar Species:References:
Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.