Pierce’s Ailment (PD) of grapevine (Vitis vinifera) is caused by the bacterium Xylella fastidiosa and is also vectored by xylem sap-sucking insects, whereas Grapevine Purple Blotch Virus (GRBV) will cause Red Blotch Condition and is also transmitted during the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations https://lyricsdemon.com/