1. UC IPM
Leaves of watermelon seedlings with <i>Cucumber mosaic virus</i> showing vein clearing and mottling consisting of irregularly shaped, dark green areas alternating with light green to yellow areas.
Leaves of watermelon seedlings with Cucumber mosaic virus showing vein clearing and mottling consisting of irregularly shaped, dark green areas alternating with light green to yellow areas.
Credit: Dennis H. Hall