Potent tree-killing disease reemerges in the Bay Area
The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...
How pruning an oak tree at the right time can head off a deadly new disease
A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.
Citizen scientists discover new, more virulent form of sudden oak death in Bay Area
A UC Berkeley-led citizen science project has discovered at least four outbreaks of a new, potentially more aggressive form ...