Browsing by Author "Gnanapragasam, N.C."
Now showing 1 - 20 of 22
- Results Per Page
- Sort Options
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 Control of root- lesion nematode, pratylenchus loosi in contaminated tea nursery plants.(Tea Research Institute. Talawakelle, 1987) Gnanapragasam, N.C.; Jebamalai, A.S.; Anpalagan, V.T.Item Development of a defined diet to rear the tea tortrix, Homona coffearia Nietner, in vitro(Tea Research Institute. Thalawakele, 1982) Gnanapragasam, N.C.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 Effect of environment on population dynamics of plant parasitic nematodes and consequent pathogenicity to tea(Tea Reseaech Institute:Talawakele, 1994) Gnanapragasam, N.C.Item Effect of Jawan a neem based natural pesticide in controlling nematode pests of tea(Tea Research Institute. Talawakele, 1993) Gnanapragasam, N.C.; Mohotti, M.; Sureshkumar, B.; Udamulla, G.P.Item Effect of potassium fertilization and of soil temperature on the incidence and pathogenicity of the root-lesion nematode, Pratylenchus loosi Loof on tea (Camellia sinensis )(Tea Research Institute. Thalawakele, 1982) Gnanapragasam, N.C.Item Incidence of nematode damage in the mid-country caused by the burrowing nematode, Radopholus similis(Tea Research Institute. Thalawakele, 1983) Gnanapragasam, N.C.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 Limitation to growth and productivity of tea by plant parasitic nematodes(Tea Research Institute:Talawakelle, 1989) Gnanapragasam, N.C.; Tea Research Institute; TRI, Sri LankaItem Metabolic disruptors (semio chemicals) and their utilization as a pest mangement strategy(TRI:Talawakelle, 1982) Gnanapragasam, N.C.Item Pathogenicity of the burrowing nematode Radopholus similis to young tea at different initial density(Tea Research Institute. Talawakele, 1989) Gnanapragasam, N.C.Item Plant parasitic nematodes - the invisible enemy of cultivated crops(1982) Gnanapragasam, N.C.Item Relative growth response of tea clones grown in soil fumigated with dazomet 98% G and methyl bromide and in uninfested soil(Tea Research Institute. Thalawakele, 1982) Gnanapragasam, N.C.Item Relative rates of egg hatch of the root-knot nematode of mature tea, Meloidogyne brevicauda, in relation to other species of this mematode(Tea Research Institute. Thalawakele, 1981) Gnanapragasam, N.C.; Manuelpillai, M.E.K.Item Rotylenchulus reniformis, the new nematode species causing damage to tea in Sri Lanka(Tea Research Institute:Talawakele, 1987) Gnanapragasam, N.C.; Ariyaratnam, V.; Navaratne, N.Item Susceptibility / resistance of weeds to pathogenic nematodes of tea(Tea Reseaech Institute:Talawakele, 1989) Gnanapragasam, N.C.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.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.