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