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Item How and why the intake of a tapper should be increased(Rubber Research Institute of Sri Lanka. Agalawatta, 1998) Nugawela, A.Item Secondary characters and their association with latex yield in Hevea brasiliensis(Mull Arg.)(Rubber Research Institute. Agalawatta, 1988) Olapade, E.O.Ten Hevea clones developed at the Rubber Research Institute Of Nigeria (RRIN) and a control clone RRIM 600 were evaluated for their latex yield after six months of tapping. The mean dry latex yield recorded for each clone was correlated with their Juvenile secondary characters i. e Height, Girth and Plant Vigour at 18 months. Significant variability was exhibited by the clones in terms of yield with clone C 83 having the highest mean latex yield of 42.15 g/t/t/ while clone C 202 had the least mean yield of 22.73 g/t/t. The secondary characters i. e Hewight, Girth and Vigour were significantly positively correlated to themselves but all negatively correlasted to latex yield. However a spurious correlation was established between latex yield and the secondary characters. The implication of the results are discussedItem Studies on the Pinus species growing in Sri Lankan plantations III:composition of turpentine of Pinus caribaea (var. Hondurensis) of the Erabedde plantation(National Science Council6PColombo:, 1980) Goonatilleke, L.A.; Jansz, E.R.; Balachandran, S.Item The crop loss due to wet weather and methods to overcome it(Rubber Research Institute. Agalawatta, 1999) Nugawela, A.Item Enjoy 2000 plus yields. adhere to basic agronomic practices(Rubber Research Institute of Sri Lanka. Agalawatta, 2006) Nugawela, A.Item Maximising yields in rubber platations(Rubber Research Institute of Sri Lanka. Agalawatta, 1998) Nugawela, A.Item Development of rubber industry under private management(Rubber Research Institute of Sri Lanka. Agalawatta, 1992) Tillekeratne, L.M.K.Item Use of seasoning mixtures for enhancing flow of sap of Kitul (Caryota urens L.) in Sri Lnaka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2005) Seneviratne, M.A.P.K.; Wanigasundara, W.A.D.P.; Wijeratne, M.Item Tapper shortage in Sri Lanka - reasons, repercussions and recommendations to minimize it(Rubber Research Institute of Sri Lanka. Agalawatta, 2000) Nugawela, A.Item Rubber - potential yields and strategies to achieve it in traditional and marginal areas(Rubber Research Institute of Sri Lanka. Agalawatta, 2002) Nugawela, A.