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