Browsing by Author "Vitarana, S.I."
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Item A guide for calculations involved in pesticide usage on plantations(Tea Reseaech Institute:Talawakele, 1988) Vitarana, S.I.Item An ecotaxonomic key for identification of tea pests in the field (insects and mites)(Tea Reseaech Institute:Talawakele, 1989) Vitarana, S.I.Item Bad News - Pink Mite in Sri Lanka(Tea Research Institute:Talawakelle, 2000) Vitarana, S.I.; Tea Research Institute of Sri LankaItem Biological control of tea pests(Tea Research Institute:Talawakelle, 2004) Vitarana, S.I.; Tea Research Institute of Sri LankaItem 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 Clones:An Update on Performance and suggestions for Appropriate combinations(Tea Research Institute:Talawakelle, 1996) Shanmugarajah, V.; Vitarana, S.I.; Ratnayake, M.; Gunadasa, S.W.; Sritharan, U.; Tea Research Institute of Sri LankaItem Killer Ant in Deniyaya(Tea Research Institute:Talawakelle, 1996) Vitarana, S.I.; Tea Research Institute of 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 New methods for nematode control in tea nurseries and new clearings(Tea Research Institute:Talawakelle, 2001) Vitarana, S.I.; Tea Research Institute of Sri LankaItem New pests on tea lands in Sri Lanka black ant, Crematogaster dorhni(Tea Research Institute:Talawakele, 1988) Vitarana, S.I.Item Sesbania sesban can be planted in Tea Lands(Tea Research Institute:Talawakelle, 2001) Vitarana, S.I.; Navaratne, N.; Pallemulla, R.M.D.T.; Tea Research Institute of Sri LankaItem Soil solarisation as a Mean of Pest control in Tea(Tea Research Institute:Talawakelle, 2001) Vitarana, S.I.; Liyanage, D.D.; Jayaratne, A.P.; Pallemulla, R.M.D.T.; Tea Research Institute of 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 LankaItem Tea Clones and Tea Nematodes(Tea Research Institute:Talawakelle, 2002) Vitarana, S.I.; Udamulla, G.P.; Liyanage, D.D.; Herath, U.B.; Navaratne, N.; Tea Research Institute; TRI, Sri LankaItem Tea is not a Host to Rotylenchulus reniformis(Tea Research Institute:Talawakelle, 2001) Vitarana, S.I.; Navaratne, N.; Liyanage, D.D.; Tea Research Institute of Sri LankaItem Use of chemical Pesticides in Tea(Tea Research Institute:Talawakelle, 2003) Vitarana, S.I.; Tea Research Institute of Sri Lanka