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

Fig. 1F. less common preharvest symptoms, caused by Botrytis aclada and B. allii on onion bulbs. (F) Neck rot developing on a plant under particularly moist field conditions close to harvest (healthy plant on the left).



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