Pierce’s Illness (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) brings about Crimson Blotch Disorder and is particularly transmitted from the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations https://lyricsdemon.com/