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