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