Increasing Outbreaks and Impact of <i>Iris yellow spot virus</i> in Bulb and Seed Onion Crops in the Imperial and Antelope Valleys of California

Fig. 2. Effect of Iris yellow spot virus infection on onion. Lesions develop on leaves and coalesce, leading to drying and lodging.



Image from Plant Health Progress article:
Increasing Outbreaks and Impact of Iris yellow spot virus in Bulb and Seed Onion Crops in the Imperial and Antelope Valleys of California