Plant Parasites of Europe

leafminers, galls and fungi

Cryphonectria parasitica

Cryphonectria parasitica (Murrill) Barr, 1978

chestnut blight fungus

on Castanea, etc.

parasite

The fungus causes perennial lesions, cankers, in the bark of the stem and branches. The resulting interruption of the sap stream causes the death of the distal parts of the tree.

host plants

Fagaceae, monophagous

Castanea crenata, dentata, mollissima, sativa.

Minor infestations also on Acer; Carpinus betulus.

synonyms

Endothia parasitica (Murrill) Anderson & Anderson, 1912.

notes

THe fungus penetrates tte tree via wounds caused by broken branches or fire damage, but also the galls of Dryocosmus kuriphilus have been shown to form a port of entry for fungus.

references

Brandenburger (1985a: 59), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez, ao (2010a), Meyer, Gallien & Prospero (2015a), Pérez-Sierra, van der Linde, Romón-Ochoa ao (2020a), Prospero & Forster (2011a), Rigling & Prospero (2018a).

Last modified 16.iv.2022