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

Fig. 35. The reverse of a 7-day-old culture of Phacidiopycnis washingtonensis on an isolation plate incubated at 20°C in the dark showing gray and dark gray alternating rings.



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