• rust-on-rose-2

Rust


Bright orange/brown/black spots, or pustules develop on the upper leaf surface with corresponding bright orange spore masses beneath. Dark brown over-wintering spores can often be seen from late summer/early autumn.  Severely infected leaves will drop prematurely.  The most common and obvious infections occur in early summer.  Moist air is essential for the development and spread.  Product Solution: Multirose Concentrate 2, Fungus Fighter Disease Control Ready To Use, Systhane Fungus Fighter.  Spray preventatively.

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