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