Pierce’s Disease (PD) of grapevine (Vitis vinifera) is because of the bacterium Xylella fastidiosa and is particularly vectored by xylem sap-sucking insects, While Grapevine Purple Blotch Virus (GRBV) causes Red Blotch Ailment and is particularly transmitted during the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations in https://lyricsdemon.com/