Is there any known group of Gymnosporangium sabinae that uses Prynus as the only host plant, both for the telial and the aecial stages?

03 April 2024 1 1K Report

Gymnosporangium sabinae is a rust fungus known as pear rust. It is a heteroecious plant pathogen with Juniperus sabina (savin juniper) as the main primary (telial) host and Pyrus communis (common pear) as the main secondary (aecial) host.

José Luis Fernández

I don't know of any Gymnosporangium species that has both aecial and telial stages on Pyrus.

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