Cryptostroma corticale (Ellis & Everhart) Gregory & Waller, 1952

sooty bark disease of sycamore

on Acer, etc.

gal

After an infection by way of a wound the fungus may live for a long time in the xylem, without causing apparent damage. However, in periods of drought stress an extensive stroma is formed below the bark, in which a thick layer of conidia is produced; after several years the tree is killed. The conidia are dark brown, short-oval, smooth, aseptate, 4 x 5-12 µm.

host plants

Sapindaceae, etc., limited polyphagous

Acer campestre, platanoides, pseupdplatanus.

Mainly on A. pseudoplatanus; rarely also on Betula and Tilia.

synonyms

Coniosporium corticale Ellis & Everhart, 1869.

references

Brandenburger (1985a: 359), Cech (2019a), van Vliet (2020a, 2023a).