Pierce’s Disease (PD) of grapevine (Vitis vinifera) is a result of the bacterium Xylella fastidiosa which is vectored by xylem sap-sucking insects, Whilst Grapevine Pink Blotch Virus (GRBV) leads to Purple Blotch Ailment which is transmitted in the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations in https://lyricsdemon.com/