Browsing by Author "Jayaratne, U.P."
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Item A Mermithid parasite, an occasional but effective natural control agent of tea tortrix(Tea Research Institute. Talawakelle, 2005) Vitharana, S.I.; Jayaratne, U.P.; Pallemulla, R.M.D.T.; Waranapura, J.Item Chemical and Non chemical Disinfestation of Tea Soils(Tea Research Institute:Talawakelle, 2002) Vitarana, S.I.; Liyanage, D.D.; Herath, U.B.; Navaratne, N.; Jayaratne, U.P.; Udamulla, G.P.; Prematunge, A.K.; Jayawickrama, P.K.; Tea Research Institute; TRI, Sri LankaItem Nematode Pests of Tea in Sri Lanka(Tea Research Institute:Talawakelle, 2002) Vitarana, S.I.; Jayaratne, U.P.; Liyanage, D.D.; Tea Research Institute; TRI, Sri LankaItem Soil Substitutes for Tea nurseries in nematode active areas(Tea Research Institute:Talawakelle, 2002) Vitarana, S.I.; Liyanage, D.D.; Herath, U.B.; Udamulla, G.P.; Prematunge, A.K.; Jayaratne, U.P.; Navaratne, N.; Jayawickrama, P.K.; Tea Research Institute; TRI, Sri Lanka