California Pest Rating for Cucumber Green Mottle Mosaic Virus Pest Rating: A PEST RATING PROFILE Initiating Event:   On December 15, 2017, Cucumber green mottle mosaic virus (CGMMV) was detected in a watermelon seed sample submitted by the USDA to the CDFA Plant Pathology Lab, and collected from a seed company’s storage facility outside of … Continue reading Cucumber Green Mottle Mosaic Virus →