• An efficient in vitro propagation system for purple cone flower (echinacea purpurea l) 

  Dahanayake, N.; Xiao-Lu Chen; Fu-Cheng Zhao; Yue-Sheng Yang; Hong Wu (Faculty of Agriculture-University of Ruhuna, 2010-04-07)

  An efficient in vitro propagation culture system was developed for purple coneflower. In the system, adventitious buds were first regenerated from leaf, petiole and root explants of aseptic seedlings on MS medium with ...
• Suppression of population of tribolium castaneum by igrs in presence of a predator, xylocoris flavipes 

  Ferdous, J.; Islam, W.; Parween, S. (Faculty of Agriculture-University of Ruhuna, 2010-04-27)

  Insect growth regulators (IGRs), triflumuron at concentrations of 0.001, 0.05 and 0.1ppm, and diflubenzuron at concentrations of 0.005, 0.05 and 0.01ppm in presence of 2-, 4- and 8 pairs of a preda tor Xylocoris flavipes ...
• Decomposition of gliricidia leaves: the effect of particle size of leaves and soil texture on carbon mineralization 

  Walpola, B.C.; Arunakumara, K.K.I.U. (Faculty of Agriculture-University of Ruhuna, 2010-02-05)

  Crop residues, as a reliable source of nutrients in many agro-ecosystems could minimize the dependen cy on commercial fertilizers. The particle size of crop residues is a matter of concern as it determines the accessibility ...
• Formulation and quality evaluation of cordial based on kirala (sonneratia caseolaris) fruit 

  Abeywickrama, W.S.S.; Jayasooriya, M.C.N. (Faculty of Agriculture-University of Ruhuna, 2010-02-06)

  Kirala (Sonneratia caseolaris) is one of the tropical fruits that has received less attention from the food industry. A large number of ripen fruits are wasted during the fruiting-season. The modern preserva tion ...
• Separation of tetraploid and diploid plants from chimeras in in vitro cultures of purple coneflower (echinacea purpurea l) 

  Dahanayake, N.; Chen, Xiao-Lu; Zhao, Fu-Cheng; Yang, Yue-Sheng; Wu, Hong (Faculty of Agriculture-University of Ruhuna, 2010-02-09)

  Doubling the chromosome number of diploid and haploid Echinacea purpurea plants have high applica ble values for genetic improvements of the crop. Field experiments have shown that the tetraploid plants grow vigorously ...
• Changes in soil water content with ambient relative humidity in relation to the organic matter and clay 

  Leelamanie, D.A.L. (Faculty of Agriculture-University of Ruhuna, 2010-02-11)

  Changes in soil water content with increasing ambient relative humidity was examined using model soils prepared by mixing silica sand with different types of organic matter and different types and con tents of clays. In ...
• Effect of biological agents and botanicals in controlling root knot nematodes, meloidogyne spp., in nicotiana tabacum 

  Motha, K.F.; Abeysekara, R.; Kottearachchi, N.S. (Faculty of Agriculture-University of Ruhuna, 2010-02-19)

  A study was conducted to investigate the effectiveness of Pseudomonas fluorescens and Trichoderma viride and two botanicals; ground neem seed and tobacco waste dust for the control of Root-Knot Nematodes (RKN) in Tobacco. ...
• An evaluation of the effectiveness of the granary area programme 

  Gunasekara, G.K.D.S. (Faculty of Agriculture-University of Ruhuna, 2009-10-07)

  The Granary Area Programme (GAP) was designed to enhance the productivity of rice farming in areas with high potential for rice cultivation in Sri Lanka. The purpose of this study was to assess the impacts of the programme ...
• DNA typing of dessert banana cultivar „kolikuttu‟ („silk‟) accessions by microsatellite markers 

  Pushpakumari, H.W.L.; Samarasinghe, W.L.G.; Senanayake, S.G.J.N. (Faculty of Agriculture-University of Ruhuna, 2009-09-28)

  Fourteen Kolikuttu accessions showing morphological variation and Fusarium wilt tolerance were col lected. Extracted DNA was subjected to PCR using six SSR primers. PCR products were separated by PAGE and bands were ...
• Physico – chemical properties of mature green tomatoes (lycopersicon esculentum) coated with pectin during storage and ripening 

  Delina Felix, E.; Mahendran, T. (Faculty of Agriculture-University of Ruhuna, 2009-10-08)

  A study was undertaken to investigate the effect of pectin as an edible coating on the postharvest quality of mature green tomatoes at 30°C. The tomatoes were dipped in the concentrations of 1, 3 and 5% (w/v) pectin ...
• Analysis of factors affecting fresh milk consumption among the mid - country consumers 

  De Alwis, A.E.N.; Edirisinghe, J.C.; Athauda, A.M.T.P. (Faculty of Agriculture-University of Ruhuna, 2009-10-06)

  This study focused on analysing the consumer attitudes, demographic and economic factors that affect ing fresh milk consumption among the mid-country consumers of Sri Lanka. Data were collected through a consumer survey ...
• Varietal variation in stomatal conductance, transpiration and photosynthesis of commercial sugarcane varieties under two con trasting water regim 

  De Silva, A.L.C.; De Costa, W.A.J.M. (Faculty of Agriculture-University of Ruhuna, 2009-10-06)

  The study was conducted to evaluate some physiological characters of commercial sugarcane varieties under different growing conditions in Sri Lanka. A field experiment was conducted at the Sugarcane Research Institute, ...
• Evaluation of egg quality traits of Japanese quails (coturnix coturnix japonica) fed enzyme supplemented diets containing poultry offal meal 

  Mutucumarana, R.K.; Samarasinghe, K.; Vidanarachchi, J.K.; Ranjith, G.W.H.A.A.; Wijeratne, A.W. (Faculty of Agriculture-University of Ruhuna, 2009-09-29)

  The effects of substitution of poultry offal meal (POM) for soybean meal (SBM) and the effect of sup plementation of POM by a mixture of solid state fermentation enzymes (SSF) and Lipase on egg quality traits of Japanese ...
• Optimize the condition for enzymatic degumming of crude soybean oil 

  Prabhaharan, M.; Rakshit, S.K. (Faculty of Agriculture-University of Ruhuna, 2009)

  High phosphatide containing oils like soybean oil, have two types of phosphatide (gum) namely, the hydratable and non-hydratable. Simple water degumming will not remove non-hydratable gums. Water degumming alone is not ...
• An analysis of price behaviour of rice in Sri Lanka after liberalization of economy 

  Sandika, A.L. (Faculty of Agriculture-University of Ruhuna, 2009-10-01)

  Wholesale prices as well as retail prices of rice increased sharply towards the end of 2007 and 2008. The year 2008/09 rice prices of Samba, Kakulu and Nadu rice have reached Rs 70, Rs 65 and Rs 50 respectively. Therefore, ...
• In Vitro culture establishment and shoot proliferation of jatropha curcas L. 

  Warakagoda, P.S.; Subasinghe, S. (Faculty of Agriculture-University of Ruhuna, 2009-09-30)

  Jatropha curcas seeds (immature, mature, fully mature) were collected and surface sterilized using dif ferent concentrations of Clorox (5.25% sodium hypochlorite –NaOCl) with different exposure times followed by dipping ...
• Growth performance of rice sector: the present scenario in Sri Lanka 

  Sandika, A.L.; Dushani, S.N. (Faculty of Agriculture-University of Ruhuna, 2009-10-01)

  The Sri Lanka government is promoting the development of agriculture sector with the slogan of “Let us grow more to uplift the nation”. Therefore, this study was carried out to analyse the growth perfor mance of rice ...
• Modification of solar distillation unit to increase efficiency in drinking water production from saline water 

  Senavirathna, M.D.H.J.; Weerasinghe, K.D.N.; Maier, M.; Rosemann, H. (Faculty of Agriculture-University of Ruhuna, 2009-09-29)

  Solar distillation is one of the appropriate methods which could be used to reduce cost of power in the process of water purification. The commonly used single basin solar distillation systems are not efficient in the ...
• Formulation of wheat - soybean biscuits and their quality characteristics 

  Banureka, V.D.; Mahendran, T (Faculty of Agriculture-University of Ruhuna, 2009-10-11)

  A research study was conducted to evaluate the quality characteristics of protein enriched biscuits which could be used as a protein supplemented cereal snack food. The use of soy flour to substitute it with wheat flour ...
• Effects of balancing rice bran based diets for up to four amino acids on growth performance of broilers 

  Piyaratne, M.K.D.K.; Atapattu, N.S.B.M.; Mendis, A.P.S.; Amarasinghe, A.G.C. (Faculty of Agriculture-University of Ruhuna, 2009-09-30)

  Objective of this study was to determine whether the adverse effects associated with high dietary rice bran (RB) inclusion levels in broiler diets could be corrected by balancing diets for higher number of amino acids ...

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