Pierce’s Ailment (PD) of grapevine (Vitis vinifera) is caused by the bacterium Xylella fastidiosa and is particularly vectored by xylem sap-sucking insects, Whilst Grapevine Pink Blotch Virus (GRBV) triggers Purple Blotch Disorder and is particularly transmitted in the laboratory by alfalfa leafhopper Spissistilus festinus. The significance of anthocyanin accumulations in https://lyricsdemon.com/