Park, P.O.Webster, B.N.Jennings, E.A.2014-11-182014-11-181956Tea Quarterly27(1-2)pp.7-9https://dl.nsf.gov.lk/handle/1/13042AgricultureBlister blightDisease controlPlant pathologyDevelopments in Blister blight control II. spraying trials in 1955, using 50A