Symptomatology of <i>Iris yellow spot virus</i> in Selected Indicator Hosts

Fig. 1. (a-b) Symptoms of Iris yellow spot virus (IYSV) infection on onion scapes; (c-j) symptoms on indicator hosts following mechanical inoculation with IYSV. (c-f) Datura stramonium; (g-j) Nicotiana benthamiana showing development of chlorotic local lesions, veinal necrosis, stem necrosis and ultimately drying of leaves and plants.

Image from Plant Health Progress article:
Symptomatology of Iris yellow spot virus in Selected Indicator Hosts