International Research Symposium on Pure and Applied Sciences (IRSPAS): Recent submissions

  • Estimating the unit domestic emission of biological oxygen demand and Escherichia coli in Hanoi, Vietnam. 
    Kaluarachchi, T. U. N.; Masago, Y.; Kumar, P.; Nga, T.V. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Direct discharge of domestic blackwater to urban rivers is a common sight in urbanized areas in developing countries, and many development projects are undergoing to improve such situations to achieve sustainable water ...
  • Effect of sugars, amino acids, hormones and microbial biofilm exudates on dormancy breaking of culturable soil microbial seed bank. 
    Wijepala, P. C.; Jayasena, P. G.; Singhalage, I. D.; Seneviratne, G.; Madawala, H. M. S. P.; Jayasuriya, K. M. G. G. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Soil microbial diversity is found to be beneficial for plant growth and productivity. The diversity has decreased to alarming level under stressful soil conditions and microbes form dormant structures like spores to withstand ...
  • Towards a natural classification and backbone tree for Xylariaceae recognized from multigene phylogeny and taxonomy. 
    Daranagama, D. A. D. A.; Liu, X. Z.; Hyde, K. D. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The family Xylariaceae, comprising over 1300 species, is considered as one of the largest families of the Ascomycota. Members of Xylariaceae exhibit a wide distribution and they are cosmopolitan. The objective of this study ...
  • Effect of Croton aromaticus leaf extracts in controlling Crown Rot disease of Embul banana. 
    Dilhani, S.; Wimalasiri, S.; Abeywickrama, K.; Kannangara, S. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Embul banana (Musa acuminata-AAB) is one of the major dessert fruits in Sri Lanka, widely consumed by all economic groups due to its small size and characteristic flavour. Although Embul banana has high potential for export ...
  • Formulation and stabilization of Trichoderma spp. in selected carrier materials. 
    Botheju, W.S.M.; Hewavitharana, N.,; Kannangara, S.D.P.; Abeywickrama, K. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Trichoderma spp. are one of the major biocontrol agents which have the ability to act against large numbers of foliar and soil borne pathogens and are eco-friendly good plant growth promoting agents. Present investigation ...
  • Effect of growth regulators on in vitro regeneration of Gerbera jamesonii. 
    Perera, H.S.M.; Swarnalatha, K.D.S.; Senanayake, S.P. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Gerbera jamesonii (Gerbera), belongs to the family Asteraceae, is considered as one of the important cut flowers in the global floriculture industry. The propagation process of Gerberas require improvements to fulfill the ...
  • Molecular identification of selected Dendrobium cultivars. 
    Silva, W.E.R.; Attanayake, R.; Senanayake, S.P. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The family Orchidaceae includes more than 25,000 species, and the genus Dendrobium consists of over 1,450 species around the world. Today many unidentified Orchid cultivars are available in the market and growers use ...
  • Development and characterization of a slow release fertilizer system using ammonium nitrate incorporated Gliricidia bark particles. 
    Premaratne, W.A.P.J.; Thisera, P.A.U.D. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Best management practices for fertilizers in the application of plant nutrients should always aim to avoid a surplus of plant available nutrients in the soil. This will promote the efficient use of nutrients and minimize ...
  • Soil nutrient availability in different vegetation types of Kunckles conservation forest in Sri Lanka. 
    Rajapaksha, R.P.S.K.; Madawala, H.M.S.P.; Gunathilake, S.K.; Ratnayake, R.R. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Estimates of soil nutrient availability in tropical land use types are critically important to understand the function of soil in the global nutrient cycles and the sustainable management of tropical ecosystems. The aim ...
  • Effect of root-application of rice husk as a natural silicon (Si) source on the nutritional quality of bitter gourd (Momordica charantia L.). 
    Ratnayake, R.M.R.N.K.; Daundasekera, W.A.M.; Ariyarathne, H.M.; Ganehenege, M.Y.U. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Silicon (Si) has proven its beneficial effects on growth, yield and disease resistance in many agricultural crops. Synthetic Si in the form of potassium silicate, sodium silicate, calcium silicate etc. and natural Si sources ...
  • Variability of phytoplankton primary productivity during three El Niño events in the Mindanao Dome, Western Pacific Ocean. 
    Hettiarachchi, A.I.; Hsin, Y.C. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The Mindanao Dome is a cyclonic circulation located on the east of the southern Philippine Island of Mindanao in the western Pacific Ocean. It assists upwelling and thereby enhancing the primary productivity in the area. ...
  • Effects of abuse of bhang on autonomic nervous system and cardiac electrophysiology: a study of Indian farmers. 
    Nayak, S.K.; Pal, K. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Cannabis sativa products are widely abused across the globe, just next to the abuse of alcohol because of their exultant impact. In India, the abuse of cannabis products is very much prevalent. This can be attributed to ...
  • New records of ant taxa (Hymenoptera: Formicidae) in four subfamilies from Sri Lanka. 
    Dias, R.K.S.; Wackhoo, A.A.; Akbar, S.A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Ants belonging to 11 subfamilies have been recorded from Sri Lanka. In subfamily Amblyoponinae two genera, Stigmatomma and Myopopone, were previously known from the country. We report here new records of two genera and ...
  • Endophytic bacterial diversity of mangrove leaves. 
    Gunathunga, S.U.; Rathnayake, V.N. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Endophytes are by definition, the microorganisms that reside in the plant tissues, colonizing locally as well as systemically, without causing any harm to the particular plant. Both the plant and its endophytes have benefits ...
  • Discovery of three new Tetraponera species (Formicidae; Pseudomyrmecinae) from Sri Lanka. 
    Dias, R.K.S.; Udayakantha, W.S.; Thotagamuwa, A.; Fernando, K.S.S.D.; Madushani, N. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Tetraponera F. Smith is the sole genus of subfamily Pseudomyrmecinae recorded from Sri Lanka and very little is known about the diversity of the arboreal genus in the country. Nests of Tetraponera species were collected ...
  • Occurrence of dengue vectors in school premises in Gampaha District, Sri Lanka. 
    Radhika, N.M.L.; Gunathilaka, P.A.D.H.N.; Kasturiratne, A.; Abeyewickreme, W. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Aedes aegypti and Aedes albopictus are the vectors responsible for the transmission of dengue virus in Sri Lanka. During the past decade, Gampaha district has been ranked the second on the number of reported dengue cases. ...
  • A census of diurnal primates in the villages located between Labugama-Kalatuwawa and Indikada forest reserves in Colombo District of Sri Lanka. 
    Panagoda, P.A.B.G.; Weerasinghe, V.P.A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    The diurnal primate populations which inhabit the villages, located between Labugama-Kalatuwawa and Indikada Forest Reserves in Colombo District of Sri Lanka, has a high conservation value due to the presence of critically ...
  • Screening cytotoxic potential of henna based hair dyes using human red blood cells. 
    Nawalage, N.M.S.K.; Pathiratne, A. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Intensive usage of commercial hair dyes all over the world may lead to wide variety of health and environmental problems. Direct contact of hair dyes with the human skin may initiate toxic effects on human cells. Commercially ...
  • Fumigant toxic potential of Ruta graveolens essential oil and its 2-methlyl ketone constituents on the eggs of Corcyra cephalonica. 
    Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    Essential oils, emanated from plants, constitute effective alternatives to the use of synthetic pesticides thus holding an extraordinary promise on insect pest control, primarily because of their easy extractability, ...
  • Evaluation of anti-inflammatory and antioxidant properties of Genus Piper in Sri Lanka. International Research Symposium on Pure and Applied Sciences, 
    Athapattu, R.S.K.; Jayarathna, S.P.N.C.; Paranagama, P.A.; Senanayake, S.P. (International Research Symposium on Pure and Applied Sciences, 2017 Faculty of Science, University of Kelaniya, Sri Lanka., 2017)
    In Sri Lanka, the genus Piper is represented by ten species including five wild and two cultivated species. Most of the species of the genus Piper are important as medicinal plants and used in various systems of medicine.This ...

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