4.Journals Published in Sri Lanka
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Item Dietary amino acid requirements of the tea tortrix, Homona coffearia Nietner (Lepidopteran:Tortricidae) reared in vitro(Tea Research Institute. Talawakele, 1985) Gnanapragasam, N.C.; Sivapalan, P.Item The effect of soil temperature and of infestation by pratylenchus loost on the growth and nutrient status of a susceptible and tolerant variety of young tea (Camellia sinensis L.)(Tea Research Institute. Thalawakele, 1975) Sivapalan, P.; Gnanapragasam, N.C.Item Assessment of sex pheromone activity in virgin female moths of the tea Tortrix (Homona coffearia, Lepidoptera : Tortricidae) and its utilization in monitoring moth populations in tea fields(Tea Research Institute. Thalawakele, 1975) Sivapalan, P.; Gnanapragasam, N.C.Item Chemical control of the root-lesion nematode, Pratylenchus loosi, in new tea plantings(Tea Research Institute. Thalawakele, 1980) Sivapalan, P.; Gnanapragasam, N.C.; Jebamalai, A.S.Item The biology of the tea tortrix , Homona coffearia , nietner (Lepidoptera: tortricidae) reared under defined conditions on an artificial diet in vitro(Tea Research Institute. Thalawakele, 1980) Gnanapragasam, N.C.; Sivapalan, P.