Liyanage, N.I.S.Peiris, O.S.Liyanage, A.De.S.Warnapura, S.S.2013-05-082013-05-081980Journal of the Rubber Research Institute of Sri Lanka57pp.26-36https://dl-rri.nsf.gov.lk/handle/1/1484Studies on the spread of white root disease caused by rigidoporus lignosus in Sri LankaA