International trade in Monterey cypresses caused a pandemic

Massive die-offs of Italian cypresses from Portugal to Greece have been linked to California’s Monterey cypresses, solving a long-standing puzzle in the world of plant pathology and surprising the researchers. “When I was a student, this was one of the big mysteries”, says UC Berkeley’s Matteo Garbelotto... (more)

Frontiers in Ecology and the Environment, 2011