A New Canker Disease of Crabapple Trees Caused by <i>Phacidiopycnis washingtonensis</i> in Washington State

Fig. 1. Canker symptoms on crabapple twigs caused by Phacidiopycnis washingtonensis.



Image from Plant Health Progress article:
A New Canker Disease of Crabapple Trees Caused by Phacidiopycnis washingtonensis in Washington State