Scientists say there is an experimental treatment that successfully prevents oak trees from being infected with the sudden oak death organism.
U.C. Berkeley forest pathologist Matteo Garbelotto says the treatment has been 100 percent successful in the lab but it will take at least a year before it becomes available.
Garbelotto says the infection didn´t occur even after the pathogen was put on the trees.
But he says the treatment does not eradicate an infection that is already in a tree.
Sudden oak death has killed tens of thousands of coast tan and black oaks, and scientists fear it will spread inland.
Scientists are still learning about the disease and how it spreads is unclear.