I painted spring cabbage black rot, caused by Xanthomonas campestris, for the April illustration of the BSPP plant pathogens calendar.

BSPP 2024 Calendar – Images by Helen Pennington – BSPP – The British Society for Plant Pathology

The painting shows a cabbage with v-shaped lesions at the leaf margins. The lesions are chlorotic (yellow) with necrotic brown centres.