Control of the main foliar diseases of container-grown roses

This factsheet provides guidance on how to minimise losses to rose crops caused by black spot, downy mildew, powdery mildew and rust by:

• the implementation of good nursery hygiene measures
• avoidance of environmental conditions favourable for disease development
• appropriate fungicide treatment.

A list of fungicide products for use on roses, with an example spray programme is also included.

The information was last updated in 2004.