Browsing by Author "De Alwis, M.N."
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Item Budwood nurseries in Sri Lanka. condition of the nureseries in the estate sector(Rubber Research Institute:Agalawatta, 2000) Seneviratne, P.; Nugawela, A.; Weerakoon, U.S.; De Alwis, M.N.; Zoysa, L.Item The clonal composition of budwood nurseries and its role on the productivity of rubber in Sri Lanka(Rubber Research Institute:Agalawatta, 2007) Seneviratne, P.; De Silva, S.A.; Weerakoon, U.S.; De Alwis, M.N.; Zoysa, L.; Jayalath, C.Item The effect of method of seed sowing on percentage germination and growth of seedlings(Rubber Research Institute:Agalawatta, 2000) Seneviratne, P.; Zoysa, L.; De Alwis, M.N.Item The effect of the condition of budwood nurseries on the productivity. mixed clones(Rubber Research Institute of Sri Lanka:Agalawatta, 2000) Seneviratne, P.; Nugawela, A.; Weerakoon, U.S.; De Alwis, M.N.Item The rubber seed production in Sri Lanka. results of an islandwide survey(Rubber Research Institute:Agalawatta, 1999) Seneviratna, P.; Witharana, L.P.P.; De Alwis, M.N.Seed Production of rubber plantations in certain areas of Sri Lanka has gone down to very low levels affecting the quality of the planting material I.e.budded stump.An island wide survey was therefore conducted to gain soem knowledge on the quality and the quantity of the seeds produced on different clones in different climatic regions of Sri Lanka.the results confirmed that the regional effects most probably owing to climatic and weather factors are the main causes while the clonal effect was minimum.It was evident that the seed production in dry region is far more than the country's requirement for the production of budded stumps for annual repllanting programme.Item The rubber seed production in Sri Lanka. results of an islandwide survey(Rubber Research Institute. Agalawatta, 1999) Seneviratna, P.; Witharana, L.P.P.; De Alwis, M.N.Seed Production of rubber plantations in certain areas of Sri Lanka has gone down to very low levels affecting the quality of the planting material I.e.budded stump.An island wide survey was therefore conducted to gain soem knowledge on the quality and the quantity of the seeds produced on different clones in different climatic regions of Sri Lanka.the results confirmed that the regional effects most probably owing to climatic and weather factors are the main causes while the clonal effect was minimum.It was evident that the seed production in dry region is far more than the country's requirement for the production of budded stumps for annual repllanting programme.Item A short account on the number of buds on various types of budwood(Rubber Research Institute:Agalawatta, 2000) Seneviratne, P.; Weerakoon, U.S.; De Alwis, M.N.; Karunaratne, G.