Phacidiopycnis (genus)

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advanced stage of Phacidiopycnis stem-end rot caused by Phacidiopycnis pyri
Author: Chang-Lin Xiao, USDA-ARS San Joaquin Valley Agricultural Sciences Center, Parlier, U.S.A.
Source: Plant Health Progress 2006

Phacidiopycnis Potebnia 1912

This is a small genus of plant pathogenic fungi. It includes several species that cause post-harvest rot on pome fruits like Phacidiopycnis pyri or Phacidiopycnis washingtonensis. The symptoms often include stem-end rot or calyx-end rot. These fungi have been also associated with canker and dieback symptoms on apple and pear trees. Further, a number of species have been reported from conifers. The sexual forms have been described under the genus Potebniamyces.

Type species: Phacidiopycnis pyri

For a taxonomic review see Johnston et al., 2014.


Currently, the following species have been entered into the system: