Evaluation of Brassica Crop Residue on Verticillium wilt and Phytophthora Root Rot in Chile Improved ELISA detection of Xylella fastidiosa in woody plant tissue using sap extracted by a pressure chamber Septoria Leaf Spot & Alternaria Late Blight National Plant Diagnostic Network 2009 Distribution and genetic analysis of Xylella fastidiosa strains found in chitalpa in the southwest United States Genetic Analysis of a novel Xylella fastidiosa Subspecies found in the Southwestern US Pierce's Disease Detected in New Mexico Grapevines