Alternaria porri (Ellis) Ciferri, 1930

purple blotch

on Allium

parasite

Leaf spots with caespituli. Conidia solitary, brown, 15-20 x 100-300 µm, 8-12 transversal and several longitudinal septa, drand into a long curved beak.

host plants

Amaryllidaceae, monophagous

Allium.

references

Brandenburger (1985a: 720), Woudenberg, Truter, Groenewald & Crous (2014a).