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Browsing Science Symposium - Faculty of Science by Issue Date

Browsing Science Symposium - Faculty of Science by Issue Date

Now showing items 1-20 of 163

Suppression of Collar-rot caused by Sclerotium rolfsii Sacc. in chilli by antagonistic bacterial treatments

Abeysinghe, S. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

Chilli (Capsicum annuum L.) is an important crop in Sri Lanka. However, chilli cultivation is severely affected in many areas due to several soil-borne pathogens. Sclerotium rolfsii Sacc. has been identified as one of ...
Preliminary Pages

Unknown author (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)
Contact Pages

Unknown author (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)
Cover Page

Unknown author (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)
Cobra-repellent activity of Eryngium foetidum L. (Andu) and Aquilaria ugallocha (Agil)

Indurugalla, D.; Wimaiaratne, P.D.C.; Bandaranayake, L.D.J.L.M.; Bodhipala, D.G.S.C.; Attanayake, A.P. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

Foliage of Andu, Eryngium foetidum L., is traditionally used in Sri Lanka to repel cobras, Naja naja naja L. Application of aqueous suspension of crushed Andu leaves, spreading dried leaves and growing Andu plant in ...
Population dynamics of Oreochromis mossambicus, Oreochromis niloticus and their hybrids/ introgressed individuals in three reservoirs of Sri Lanka

De Silva, M.P.K.S.K. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

Introduced cichlids Oreochromis mossambicus and Oreochromis niloticus are the major contributors to the reservoir fishery of Sri Lanka. Studies have shown hybridization/ gene introgression between these two species has ...
On Rare Events in T Cell Activation

Wedagedera, Janak R. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

T cell activation is a stochastic process occurring over a finite time interaction with an anti-gen presenting cell (APC). The T cell commits to activation based on a finite number of T cell receptor phosphorylation events; ...
A preliminary study of the utility of sequences from two mitochondrial protein coding genes for phylogeographic studies of marron (Cherax cainii) from southwest of western Australia.

Munasinghe, D.H.N.; Burridge, C.P.; Whisson, G.; Austin, C.M. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

Marron, Cherax tenuimanus and Cherax cainii (Austin) being two of the largest freshwater crayfish species in the world, are highly sought after by recreational anglers and form the basis of an expanding aquaculture ...
Changes of the mangrove cover of Rekawa lagoon, Sri Lanka, over a 38 year period: mitigating the significance of a surface increase

Hettiarachi, S.; Jayatissa, L.P. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

From an economic and ecological point of view, Rekawa lagoon is one of the most important brackish water bodies on the southern coast of Sri Lanka. The change of its floristically rich mangrove belt, over a 38-year ...
The role of Pondweed (Potamogeton spp) beds as an important micro-ecosystem in Embillakala lagoon of Bundala National Park; A Ramsar wetland in Sri Lanka

Chandana, E.P.S.; Amarasinghe, N.J. De S.; Samayawardhena, L.A. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

The present study focused on the ecological role of aquatic macrophytes on micro ecosystem diversity of pondweed beds in Embillakala lagoon of Bundala National Park. The taxonomic investigation indicates that pondweed ...
Inhibition of growth of antibiotic-resistant Staphylococcus sp. and Proteus sp. by mangrove plant extracts

Abeysinghe, P.D.; Wijesekara, D.; Pathirana, R.N. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

Mangrove plants Avicennia marina, Bruguiera sexangula, Derris trifoliata, Excoecaria agallocha, Lumnitzera racemosa and Rhizophora apiculata were used to obtain plant extracts by grinding and sequential Soxhlet extraction ...
Development of a rainfall forecasting model for Sri Lanka using artificial feed-forward neural network

Dharmaratna, W.G.D.; Premarathna, L.D. (Faculty of Science, University of Ruhuna Matara, Sri Lanka, 2004-08-11)

A rainfall forecasting model for Sri Lanka is constructed using artificial feed-forward back-propagation neural network. The data obtained from meteorological station in Colombo is used. The rainfall data with the ...
Morphological and genetic relationships of six selected Puntius species of Sri Lanka.

Liyanage, Nuwan Pathmasiri Prathapainghe; De Silva, M.P.K.S.K. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Species of the Genus Puntius (Family Cyprinidae) are very important to Sri Lanka as they represent the large portion (16 species) of freshwater fish fauna and their high endemism. Most of the species are economically ...
Comparative study on the diversity and abundance of mosquito fauna in relation to the anthropogenic activities and the environ mental factors in the selected sites in Matara area.

Manawadu, Upeksha Dulmini; Wegiriya, H.C.E. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Matara is a major town situated in the Southern coastal belt of Sri Lanka. In this city the problems of mosquitoes increase day by day and interfere with the normal day to day life. The increase of mosquito population ...
Study of mangrove crabs in selected mangrove forests: The relationship between habitat characteristics and their occurrence.

Vijayakumara, R.G.K.; Amarasinghe, N.J. De S. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Sri Lanka, despite its small size, possesses a high level of biological diversity. Both the coastal and seashore vegetation covers a good part of the coastline. Mangroves occur near river mouths and on the shores of ...
Evaluation of the efficacy of Bird chili (Capsicum frutescens var longum L, Capsicum frutescens var conid L) and Green chili (Capsicum annum var fasciculatum) as botanical pesticides to control Black bean aphid (Aphis fabae Scop.) on long bean (Vigna sesquipedalis L.)

Lasanthi, A.H.P.; Wickramasinghe, M.G.V. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Pot culture experiment was conducted under field conditions to evaluate the efficacy of pod extracts of Capsicum annum var fasciculatum, Capsicum frutescens var conid and Capsicum frutescens var longum in the control ...
Investigation of intra-specific morphological variation of the catfish Pseudarius jella from four estuarine localities in Southern Sri Lanka.

Jayasekara, J.L.P.S.S.; Suneetha, K.B. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Individuals of populations may completely or partially isolate from other populations due to biogeographic barriers such as mountains, rivers, physicochemical barriers etc. resulting variations in phenotypic and genetic ...
Pyrimac® (Chlorpyrifos), a commonly used pesticide, altera structural integrity of epididymal epithelium and epididymal sperm functions in rats.

Priyangani, P.M.C.; Samayawardhena, L.A. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

Chlorpyrifos is a known biological toxicant and is widely used in agriculture. Effects of Chlorpyrifos on epididymal sperm structure and function was studied. Wistar rats (1 1 = 12 each group) were given oral doses of ...
Determination of nutritional values of six selected fish species in Southern region.

Ruweena, M.N.F.; Amarasinghe, N.J. De S. (2009-12)

Man like other organisms grows, reproduces and also engages in various activities essential for life. To be able to carry out these activities he eats food, which are broken down to simpler substances in his gut and ...
Testing of a biofilter for industrial effluent contaminated with toxic metal

Asanthi, H.B.; Jayatissa, L.P. (Department of Zoology, University of Ruhuna Matara, Sri Lanka., 2009-12)

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Browsing Science Symposium - Faculty of Science by Issue Date

Browsing Science Symposium - Faculty of Science by Issue Date

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