Strains of potato leafroll virus and their aphid transmission
Abstract
Five symptomatically distinct and stable isolates of PLRV have been grouped into three strains, viz mild, moderate and severe on the basis of their reaction, mainly effect on height of P. floridana test plants, Use of their percent aphid transmissibility and incubation period in the test host, as parameters for strain identification of PLRV have also been discussed.
