Botrytis fabae Sardiña, 1929

on Lathyrus, Vicia

Botrytis fabae on Vicia faba

Vicia faba © Loubna Belqadi, agrobiodiversity- platform.org

Botrytis fabae on Vicia faba

Vicia faba, from Unamuno (1943a): conidiophore wih conidia; at right conidia at higher magnification

gall

red brown tot dark brown leaf spots. The fungus forms a brown stroma on the leaves, from which arise cylindrical, to more than 0.2 mm long, apically branching conidiophores. Conidia ± ovoid, unicellular, 11-18 x 15-24 µm; conidia mass light chestnut brown.

hostplants

Fabaceae, oligagous

Lathyrus; Vicia faba.

notes

causer of the “chocolate spot disease”.

references

Brandenburger (1985a: 295), Unamuno (1943a).

30/04/2017

mod 7.vi.2018