P. ramorum found in Georgia stream

Georgia trees threatened by disease
By April Reese Sorrow
University of Georgia

"In 2005, the Georgia Forestry Commission began monitoring selected Georgia waterways by floating rhododendron leaves in sample bags. They were looking for black spots on the leaves. They found them in 2009.

“We’ve detected the disease in a stream in Forsyth County,” she said. “But we can’t pin down the source. It was repeatedly detected since 2009, and all of the known affected areas have been fumigated. Stream water moves, so it is picking it up all over again from somewhere.”

Pathogens flushed into streams through runoff can lead experts to the source. They’re focusing on streams located in urban areas and around nurseries"

Read the whole article here