Peronospora aquilegiicola Thines, Denton & Choi, 2019

on Aquilegia

gall

systemic infection: leaves of whole plant chlorotic with pale patches and curling. Underside a grey fungal bloom, consisting of vertical, distally strongly branched conidiophores.

host plants

Ranunculaceae, monophagous

Aquilegia alpina, buergeriana, flabellata, viridiflora, vulgaris.

notes

Originally found in Korea, but known since 2013 from the UK, where it is considered a serious threat to garden columbines. In a garden in NW Germany the first symptoms were recorded in 2019.

references

Denton, Beal, Kilty, ao (2015a), Thines, Denton, Beal ao (2019a), Thines, Buaya, Ali & Brand (2020a).