Definitions for "Pierce's Disease"
A plant disease caused by a bacterium that attacks the vine's water-conducting system. Spread by the Blue Green and Glassy-Winged Sharpshooters.
a bacterial disease of grapes transmitted by leafhoppers
A disease of the vine that is caused by bacteria, which is spread by an insect called a blue-green sharp shooter leafhopper. The bacteria gets into the xylem (water conducting system) of the vine where it "blooms" and chokes off the flow of nutrients and water.