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