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

Fig. 1A. Common postharvest symptoms, caused by Botrytis aclada and B. allii on onion bulbs. (A) Internal symptoms of neck rot, including watersoaking and discoloration of the inner scales with white to gray mycelium in the neck.



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