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