Abstract:Eight r-globulins purified from antiscra against to PVX,PVY~o,FVY~n,PVA,PVS,PVM,PLRV and TRV were conjugated with HorseradishPerexidase (HRP,RZ=3) and 1155 field samples of major potato cul-tivars Kexin No,1,No.2,No.3,No.4,Russet Yellow and "PurpleFlower-