Pierce’s Disease (PD) of grapevine (Vitis vinifera) is attributable to the bacterium Xylella fastidiosa and is particularly vectored by xylem sap-sucking insects, Whilst Grapevine Red Blotch Virus (GRBV) brings about Purple Blotch Illness and is particularly transmitted in the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations https://lyricsdemon.com/