Raspberry rust

Rust disease on raspberries is a fairly common problem, and can cause concern when high levels of the disease are present. However, whilst it can be a very conspicuous disease, affected plants still usually give a satisfactory yield of fruit.

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Raspberry rust, spring symptoms. Image: John Scrace

Quick facts

Common name Raspberry rust
Scientific name Phragmidium rubi-idaei
Plants affected Raspberry
Main symptoms Yellow pustules on the upper leaf surface in spring/early summer. Orange pustules on the lower surface as summer progresses. Black pustules on the lower surface in late summer/autumn
Caused by Fungus
Timing Throughout the growing period

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