Pierce’s Sickness (PD) of grapevine (Vitis vinifera) is because of the bacterium Xylella fastidiosa which is vectored by xylem sap-sucking insects, While Grapevine Pink Blotch Virus (GRBV) brings about Pink Blotch Disease and it is transmitted from the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations in https://lyricsdemon.com/