Postharvest Fruit Rots in d’Anjou Pears Caused by <i>Botrytis cinerea</i>, <i>Potebniamyces pyri</i>, and <i>Sphaeropsis pyriputrescens</i>

Fig. 32. A 14-day-old culture of Sphaeropsis pyriputrescens on an isolation plate incubated at 20°C in the dark. This yellow pigmentation of colonies on PDA is a useful characteristic in the diagnosis of Sphaeropsis rot caused by this fungus.



Image from Plant Health Progress article:
Postharvest Fruit Rots in d’Anjou Pears Caused by Botrytis cinerea, Potebniamyces pyri, and Sphaeropsis pyriputrescens