Pear Rust - Gymnosporangium sabinae

Like many rust diseases, G. sabinae requires two different hosts to complete its life cycle from year to year. Juniper is the winter host and pear is the most common summer host.

On Pear and Juniper.

Winter on Juniper and summer on Pear.

The disease can be particularly damaging on pear, resulting in complete defoliation and crop loss if not treated.

Widespread and fairly frequent in England at least.

Fairly frequent in Leicestershire and Rutland.