Journals
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Item Susceptibility / resistance of weeds to pathogenic nematodes of tea(Tea Reseaech Institute:Talawakele, 1989) Gnanapragasam, N.C.Item Effect of environment on population dynamics of plant parasitic nematodes and consequent pathogenicity to tea(Tea Reseaech Institute:Talawakele, 1994) Gnanapragasam, N.C.Item Clonal suceptibility and population dynamics of tea red spider mite, Oligonychus coffeae Nietner (Acarina : Tetranychidae) under laboratory conditions(Tea Research Institute. Talawakele, 1990) Thiruganasuntharan, K.; Amarasinghe, L.D.Item The mite pests of tea. a review(Tea Research Institute. Thalawakele, 1960) Cianharn, J.E.Item Editorial comment(Tea Research Institute. Thalawakele, 1960)Item The position of clonal selection in ceylon in relation to replanting(Tea Research Institute. Thalawakele, 1958) Visser, T.Item Influence of inoculum level and temperature on the population build-up and pathogenicity of the root-lesion nematode (Pratylenchus loosi Loof) of tea(Tea Research Institute. Thalawakele, 1984) Gnanapragasam, N.C.; Manuelpillai, M.E.K.Item Diseases and pests of tea in Nyasaland(Tea Research Institute. halawakele, 1928) Light, S.S.Item Replanting in the low-country and associated problems(Tea Research Institute. Thalawakele, 1955) Walter, T.E.Item The scarlet mites of the genus Brevipalpus as pests of tea in Ceylon(Tea Research Institute. Thalawakele, 1955) Baptist, B.A.; Ranaweera, D.J.W.