SOURCE:

APS

DISEASE:

Bacterial leaf spot

HOST:

Crown-of-thorns

(Euphorbia milii)

Leaves with brown lesions surrounded by bright yellow halos.

PATHOGEN:

Xanthomonas axonopodis pv. poinsettiicola

PATHOGEN SYNONYM:

Xanthomonas campestris pv. poinsettiicola