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