Postharvest Fruit Rots in Apples Caused by <i>Botrytis cinerea</i>, <i>Phacidiopycnis washingtonensis</i>, and <i>Sphaeropsis pyriputrescens</i>

Fig. 21. A core rot on Fuji apple caused by Phacidiopycnis washingtonensis. External symptoms of core rot may be seen at the stem-bowl area (top) and as irregular lesions on the fruit surface (center), but disease starts from the core area and advances from inside outwards (bottom).



Image from Plant Health Progress article:
Postharvest Fruit Rots in Apples Caused by Botrytis cinerea, Phacidiopycnis washingtonensis, and Sphaeropsis pyriputrescens