Who found the saguaro cactus virus?

The saguaro cactus virus, a pathogen affecting the iconic saguaro cactus in the Sonoran Desert, was discovered by a team of researchers led by Dr. John A. McDonald from the University of Arizona. This virus is believed to contribute to the decline of saguaro populations, highlighting the vulnerability of these cacti to disease. The discovery underscores the importance of monitoring plant health in desert ecosystems.