Bacterial black rot on cabbage

Bacterial black rot Black rot on cabbage. Characteristic yellowish V-shaped areas at the leaf margin, sites of infection by black rot, Xanthomonas campestris pv. campestris.

Bacterial black rot on cabbage

Bacterial black rot on cabbage

Bacterial black rot. Note blackening of water-conducting tissues of the stem

Bacterial black rot on kales

Bacterial soft rot. Note slimy rot (whitish) of the centre of the cabbage head. This is a secondary infection.