Liyanage, N.I.S.Peries, O.S.Liyanage, A.D.S.2013-05-082013-05-081980Journal of the Rubber Research Institute of Sri Lanka57pp.37-40https://dl-rri.nsf.gov.lk/handle/1/1485The role of the basidiospore of rigidoporus lignosus in the spread of white root disease of heveaA