Research papers contributed by OUSL staff members: Recent submissions

Now showing items 361-380 of 649

Enhanced resistance to anthracnose disease in chili pepper (Capsicum annuum L.) by amendment of the nutrient solution with silicon

Jayawardana, H.A.R.K.; Weerahewa, H.L.D.; Saparamadu, M.D.J.S. (2015)
Enhancing disease resistance and improving quality of papaya (Carica papaya L.) by postharvest application of silicon

Bandara, W.M.K.I.; Perera, O.D.A.N.; Weerahewa, H.L.D. (2015)
Development of carrot-based synbiotic beverage

Alwis, A.D.P.S.; Perera, O.D.A.N.; Weerahewa, H.L.D. (2015)
Editorial OUSL Journal 2015 - Vol. 08

Perera, Sarath D. (OUSL, 2015)
Methoxy functionalisation: exerting synthetic control of the supramolecular and electronic structure of nitrogen-doped nanographenes

Wijesinghe, Lankani P.; Lankage, B.S.; O´ Ma´ille, Gearo´id M.; Perera, Sarath D.; Nolan, Deanne; Wangab, Longsheng; Draper, S.M. (The Open University of Sri Lanka, 2014)

We describe a series of functionalized N-containing heterosuperbenzenes, created with a view to investigating the strategic role of methoxy substituents in (i) promoting cyclodehydrogenation and (ii) tuning the electronic ...
Geo-vegetation Mapping and Soil Geochemical Characteristics of the Indikolapelessa Serpentinite Outcrop, Southern Sri Lanka

Hewawasam, Tilak; Fernando, G.W.A.R.; Priyashantha, Danushka (Springer-Verlag Berlin Heidelberg, 2014)

The serpentinite blocks of Indikolapelessa, located along an identified litho-tectonic boundary between the Highland Complex (HC) and the Vijayan Complex (VC) of Sri Lanka, have undergone extensive lateralization with metal ...
Use of Online Learning Resources: Experiences Explored by Distance Learners at Matara Regional Centre of the Open University of Sri Lanka

Damayanthi, Gunasekera (2014)
Student Perceptions on the Newly Introduced Continuous Assessment Test (CAT) System in the Faculty of Natural Sciences at OUSL: A Survey

Kuruppuarachchi, K.A.J.M.; Gunarathne, B.C. (2014)
Balancing Beams of Psychological Distress amongst First-year Students of University of Colombo, Sri Lanka

Nakandalage, H.A.; Kuruppuarachchi, K.A.J.M.; Madurapperuma, B.D. (2014)
Detecting Land-Cover Change using Mappable Vegetation Related Indices: A Case Study from the Sinharaja Man and Biosphere Reserve

Madurapperuma, B.D.; Kuruppuarachchi, K.A.J.M. (2014)
Silicon Supplementation By Rice Hull Leachate On The Growth, Yield, Fruit Parameters And Anthracnose Disease Resistance Of Capsicum ‘Muriaf1’

Jayawardana, H.A.R.K.; Weerahewa, H.L.D.; Saparamadu, M.D.J.S. (The Open University of Sri Lanka, 2014)

Silicon has proven beneficial in growth, yield and disease resistance of plants. Currently, the different chemical sources; sodium silicate, potassium silicate and calcium silicate have been used to supply Si for plants. ...
A Novel Approach For Growing Capsicum: A Hydroponic System Treated With Rice Hull Leachate For Enhanced Performance Of Capsicum annuum L.

Jayawardana, H.A.R.K.; Weerahewa, H.L.D.; Saparamadu, M.D.J.S.; Rathnayaka, R.M.A.C. (The Open University of Sri Lanka, 2014)

Capsicum (Capsicum annuum L) is a vegetable which fetches a high demand both in local and export market. Growing capsicum in the field involves extensive labor and a high cost of agrochemicals to assure good yield and ...
Applicability of the use of Aeroponic System and Silicon Supplementation on Growth and the Floricultural Quality Traits of Dendrobium sp. (Annual Academic Sessions - 2013 / Pg. 431)

Weerahewa, H.L.D. (2013)
Effect Of Silicon On Anthracnose Disease In Hydroponically Grown Capsicum Annuum L. Cv. awlegama

Jayawardana, H.A.R.K.; Weerahewa, H.L.D.; Saparamadu, M.D.J.S.; Rathnayaka, R.M.A.C. (The Open University of Sri lanka, 2014)

Anthracnose is one of the major fungal diseases of Capsicum annuum L. causing 21-47% reduction of marketable yield. The control of disease is currently achieved by application of contact and systemic fungicides, which is ...
Chemical and Structural Changes of Biotite during Preparation of Ayurvedic Medicine

Pitawala, A.; Fernando, G.W.A.R.; Weerasinghe, C. (Geological Society of Sri Lanka, 2009)

Biotite mica is used in the preparation of some kinds of Ayurvedic medicine. An investigation was undertaken to study the elemental exchange between biotite and other ingredients such as vinegar, cow-urine, paddy and jaggery ...
A Preliminary Study on Causes and Risk Factors Related to Accidents among a selected Group of Children (Annual Academic Sessions - 2013 / Pg. 180)

Samanthi, G.M.; Priyangika, H.H.D.L.; Gunasekara, W.A.T.P.; De Silva, B.S.S.; Nissanka, N.K.S.M. (2013)
Achieving better Relationship Marketing through better Communication in Library

Abeysekera, Nalin; Balasooriya, A.H.K. (University of Colombo, 2012)
Effect of Root or Foliar Application of Soluble Silicon on Plant Growth, Fruit Quality and Anthracnose Development of Capsicum

Jayawardana, H.A.R.K.; Weerahewa, H.L.D.; Saparamadu, M.D.J.S. (2014)

This study was conducted to investigate the root and foliar application of soluble silicon on plant growth, fruit quality parameters and anthracnose disease development in fruits of Capsicum annuum L. ‘Muria F1’. Silicon ...
Analyzing changes in the surface-subsurface hydrology in the

Shanmuganathan, S.; Manobavan, M.; Fernando, G.W.A.R. (sixth National Symposium on Geo-informatics, Colombo, 2009)

Interconnective processes involving surface and sub-surface groundwater reservoirs are complex and need visualization on the spatial domain for developing systems knowledge. In this context, this investigation mainly focuses ...
Morphometric Characterisation of the Genus Mycalesis Butterflies in Sri Lanka (Annual Academic Sessions - 2013 / Pg. 451)

Goonesekera, K. S.; Ven der Poorten, G.; Ranawaka, G. R. (2013)

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