Liyanage, A. de S.2012-06-252012-06-251976Journal of the Rubber Research Institute of Sri Lanka53pp.31-38https://dl.nsf.gov.lk/handle/1/8803AgricultureRubberHevea brasiliensisPlant diseasesOidium leaf fallDefoliationEnvironmental factorsInfluence of some factors on the pattern of wintering and on the incidence of Oidium leaf fall in clone PB 86Article