Pierce’s Illness (PD) of grapevine (Vitis vinifera) is because of the bacterium Xylella fastidiosa and it is vectored by xylem sap-sucking insects, Whilst Grapevine Pink Blotch Virus (GRBV) results in Crimson Blotch Disorder and is transmitted while in the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations https://lyricsdemon.com/