Detection and Identification of <i>Botrytis</i> Species Associated with Neck Rot, Scape Blight, and Umbel Blight of Onion

Fig. 1D. Common postharvest symptoms, caused by Botrytis aclada and B. allii on onion bulbs. (D) Dense sporulation of B. aclada or B. allii on the dry outer scales of a bulb from a cull pile.



Image from Plant Health Progress article:
Detection and Identification of Botrytis Species Associated with Neck Rot, Scape Blight, and Umbel Blight of Onion