The planting of ash trees and the movement of ash plants for planting is not advisable given the risk that they will already be infected or will soon become infected.
Cynghorir yn erbyn plannu coed ynn a symud planhigion ynn i'w plannu o ystyried y risg y byddant eisoes wedi'u heintio neu y byddant yn cael eu heintio cyn bo hir.