Control of powdery mildew diseases on hardy nursery stock and herbaceous perennials

This factsheet provides guidance on how to minimise quality reductions in nursery stock and herbaceous perennial plants by avoiding environmental conditions favourable for disease development and by applying appropriate funigicide treatments.  Sections include:

• Biology of powdery mildew pathogens
• Disease symptoms, sources and spread
• Conditions favourable for disease development
• Integrated control strategy measures

The information was updated in 2010.