Pierce’s Disorder (PD) of grapevine (Vitis vinifera) is caused by the bacterium Xylella fastidiosa and is vectored by xylem sap-sucking insects, whereas Grapevine Pink Blotch Virus (GRBV) brings about Pink Blotch Disease and is also transmitted while in the laboratory by alfalfa leafhopper Spissistilus festinus. The importance of anthocyanin accumulations https://lyricsdemon.com/