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Recent submissions

IRSPAS 2018: Recent submissions

Now showing items 141-160 of 183

Effect of fresh leaves and aqueous leaf extracts of five medicinal plant specieson survival, oviposition and adult emergence of Cowpea bruchid Callosobruchus maculatus (Fab.)

Jayasundara, S. M. J. C. K.; Ganehiarachchi, G. A. S. M. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The Cowpea bruchid, Callosobruchus maculatus, (F.) is a major storage pest of cowpea (Vigna unguiculata L.) seeds in Sri Lanka. The present study was carried out to study the effect of fresh leaves and aqueous leaf extracts ...
Diversity of decaying wood associated fungi in Dimbulagala forest of Sri Lanka

Shashikala, M. M. P.; Deraniyagala, A.; Attanayake, R.N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Sri Lanka is one of the 34-biodiversity hotspots in the world bearing a tremendous diversity in flora and fauna. Therefore, it should hold true for fungal species diversity as well. In Sri Lanka, tropical wet evergreen ...
The effect of incorporation of natural chelators to the diet on the iron bioavailability through in vitro analysis

Liyanapathirana, N.; Ranaweera, K. K. D. S.; Gunathilake, K. D. P. P. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

There are many natural iron chelators found in food sources. The use of these natural chelators could increase the bio availability of iron and benefit conditions such as iron deficient anemia or decrease the bio availability ...
Textural profile analysis of granulated cassava pearls of two cultivars treated with conventional and microwave heating

Bulathgama, B. E. A. U.; Wickramasinghe, I.; Wijesekara, I.; Somendrika, M. A. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Cassava (Manihot esculenta Crantz) is an important food source in tropical countries, and it is a readily available root crop variety in Sri Lanka as well. Yet processed cassava (flour) is underutilized. The objective of ...
Investigation of handling, storage quality and traceability of dairy cattle concentrates used in Central Province, Sri Lanka

Wilamun, N. H. B.; Chinthaka, U. G. S.; Jayasinghe, M. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

This study was conducted to investigate traceability and the moisture levels with respect to the storage conditions of different dairy cattle concentrates used in selected dairy farms in Central Province, Sri Lanka. AOAC ...
Preliminary study on starch extraction ratio and nutritional composition of two cassava cultivars

Weerasinghe, R. K. L.; Wickramasinghe, I.; Somendrika, M. A. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Cassava (Manihot esculanta) is one of the most important food crop among tropical countries. Cassava has higher carbohydrate content and its tapioca starch and modified tapioca starch is highly used as an ingredient of ...
Phylogenetic re-assessment of the genus Curvularia

Ferdinandez, R. S. K. H. S.; Udayanga, D.; Manamgoda, D.S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The fungal genus Curvularia (Dothideomycetes, Pleosporales) consists of important pathogens, which cause devastating diseases globally on plants and human beings. Recently, the generic limit was re-defined and as a ...
Effect of dehydration temperature, time and blanching methods on the sensory properties of an herbal tea developed from Moringa oleifera leaves

Wickramasinghe, W.Y H.,; Wickramasinghe, I.; Ariyasinghe, H. A. E. N.; Wijesekara, I. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Moringa oleifera is a highly nutritious plant which can be used as a good source of nutrition and leaves have been found to contain high amounts of vitamins, minerals, proteins and fiber. The main objective of this study ...
Chemical and functional properties of selected traditional rice ( Oryza sativa ) varieties

Bhagy, K. A. D. L.; Ekanayake, S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Rice is the single most important cereal consumed by Sri Lankans with a 114 kg per-capita consumption per year. Due to the current increase in the interest on consuming traditional rice varieties due to health benefits, ...
Nitric oxide biosynthesis in Arabidopsis: Amine oxidases are potential candidates

Wimalasekera, R. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Nitric oxide (NO) regulates an array of developmental and physiological processes in plants including germination, flowering, and senescence. NO plays an important role as a signaling molecule in abiotic and biotic stresses. ...
Influence of soil water repellency on initial infiltration rate and unsaturated hydraulic conductivity of an Ultisol under Pinus caribaea

Piyaruwan, H. I. G. S.; Leelamanie, D. A. L. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Soil Water Repellency (SWR) is a major physical property of some soils that inhibit or delay the water infiltration. It is caused by hydrophobic organic substances released by plant residues, roots, or soil microorganisms. ...
Microbial enumeration assay of fermented products of cassava variety MU51

Perera, T. W. N. K.; Amarakoon, R.; Edirisinghe, E. A. A. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

This study was carried out to investigate the effects of solid state fermentation of cassava variety MU51, on the qualitative properties and total viable microbial counts, of the fermented cassava products, developed by ...
Antidiabetic effect of Coccinia grandis Linn. on streptozotocin induced diabetic rats and its role in regulating hepatic key enzymes

Meenatchi, P.; Maneemegalai, S. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Coccinia grandis (L.) Voigt is an herb, growing throughout India widely used in traditional treatment of diabetes. The aim of present study was to evaluate the antidiabetic potential of ethanol extract of mature unripe ...
Nematicidal activity of Annona glabra aqueous plant extract and extracellular metabolites of two Trichoderma species on root knot nematode Meloidogyne incognita

Lakmini, W. V.; Amarasinghe, L. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The root knot nematode, Meloidogyne incognita, is the most widespread and serious nematode pest damaging root systems of a variety of agricultural and ornamental crops in tropical and subtropical countries throughout the ...
Prevalence of micro-fauna associated in rice field habitats in Kurunegala district in Sri Lanka and potential mosquito larvicidal effect of Vorticella microstoma

Ranasinghe, H. A. K.; Amarasinghe, L. D. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Micro-fauna are associated with most of the mosquito larval breeding habitats in tropical climate. There may be parasitic, pathogenic or even predatory species among these biota to mosquito larvae and their potential use ...
Breeding sites of Phlebotomine sand flies in cutaneous leishmaniasis disease endemic areas of the Kurunegala District in Sri Lanka

Wijerathna, T.; Gunathilaka, N.; Gunawardena, K.; Rodrigo, W. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Leishmaniasis is a disease transmitted by the bite of infected female sand flies. Disease control largely depends on the knowledge on natural breeding sites of sand flies. In Sri Lanka, only limited information is available ...
Efficacy of Phyllanthus emblica bark powder in reducing total hardness of domestic well water in Jaffna peninsula, Sri Lanka

Shanthamareen, M.; Wijeyaratne, W. M. D. N. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Jaffna peninsula is underlain by thick Miocene limestone deposits and these geological formations result in increased hardness of ground water. Increased hardness of drinking water can result in severe health effects ...
Nutritional and hormonal effect of Sargassum wightii (a seaweed) extract on in vitro sub-culturing medium of Gerbera

Silva, M. M. M.; Herath, H. M. I.; Kumara, G. D. K. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

Seaweed extracts are considered as bio-stimulants in agriculture. However, in agriculture and horticulture industry, it has not been fully exploited and adapted in crop production systems. Hence, the present study was ...
Determination of photoprotective potential in sunscreen formulations with different concentrations of Olax zeylanica (Mella) extract

Liyanaarachchi, C. E.; Napagoda, M.; Malkanthi, S.; Abayawardana, K.; Witharana, S.; Jayasinghe, L. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)

The ultra-violet (UV) component of the solar radiation can cause various deleterious effects on the human skin. The occurrence of wide range of dermatological diseases are correlated with the excessive exposure to UV ...

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