Progress Toward Breeding Pierce's Disease Resistant Winegrapes ~ Environmental Variables Influencing the Severity of Pierces's Disease and Its Sharpshooter Vectors ~ Pierce's Disease in Texas: Evaluating a PD Hot Zone, Investigating Insect Frequencies and Xylella fastidosa Genetics ~ A Protocol for Using a Mite Brushing Machine for Estimating Densities of Willamette Mite on Grapes ~ Resistance to Root-Knot Menatodes (Meloidogyne species) in Grape Rootstock Germplasm ~ Association of Weed Species with Vineyard Floor Management Practices in California ~