serial dilution end point
6.The dilution end point: 10~(-10)—10~(-11); the thermal inactivation point (10min):95—100℃ and infectivity was maintained at room tempe- rature for more than two monthes,Ⅳ—34 systemically infected Nieot- iana tabacum,Nicotiana sylvestris,Nicotiana tabacum CV.Samsun, Capsicum frutescens,Lycopersieum esculentum Mill and so on.
7.Go to "end-point" menu and adjust the individual ATV (end-point) until the swashplate is level.

