Pierce’s Ailment (PD) of grapevine (Vitis vinifera) is due to the bacterium Xylella fastidiosa and is particularly vectored by xylem sap-sucking insects, whereas Grapevine Crimson Blotch Virus (GRBV) will cause Purple Blotch Sickness and is transmitted within the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations in https://lyricsdemon.com/