Pear Rust - Gymnosporangium sabinae
Description
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.
Identification difficulty

Habitat
On Pear and Juniper.
When to see it
Winter on Juniper and summer on Pear.
Life History
The disease can be particularly damaging on pear, resulting in complete defoliation and crop loss if not treated.
UK Status
Widespread and fairly frequent in England at least.
VC55 Status
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015