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Browsing RISTCON 2014 by Issue Date

Browsing RISTCON 2014 by Issue Date

Now showing items 1-20 of 123

Effect of dietary C18 PUFA on fillet Long Chain PUFA concentrations: A comparison between Murray cod and rainbow trout

Senadheera, Shyamalie D.; Thanuthong, Thanongsak; Francis, David S.; Turchini, Giovanni M (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Substitution of fish oil with economical and environmental friendly terrestrial alternatives in aquafeed has drawn significant attention on a global scale. Nevertheless, alternative oils rich in C18 PUFA are known to ...
Effects of different natural organic additives on in vitro regeneration of radish (Raphanus sativus L.) Var. Beeralu Rabu

Manawadu, I.P.; Dahanayake, N.; Senanayake, S.G.J.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

In vitro regeneration ability was greatly influenced by medium composition of culture media which deliver nutrients into in vitro plant growth as well as in vivo plant growth. In addition to inorganic salts, a carbon ...
Egg parasitoids of Cnaphalocrocis medinalis (Guenee): the first record of Trichogrammatoidea bactrae Nagaraja and Trichogrammatoidea nana Zehntner (Hymenoptera: Trichogrammatidae) in Sri Lanka

Hemachandra, K.S.; Polaszek, A.; Perera, M.C.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

The rice leaf folder, (RLF) Cnaphalocrocis medinalis (Lepidoptera: Pyralidae) is one of the pests attacking rice foliage. Defoliation damage caused by RLF larvae demands the implementation of control measures, usually ...
Salient characters of Weedy rice (Oryza sativa f. spontanea) populations in highly infested areas in Sri Lanka

Somaratne, S.; Karunarathna, K.D.K.; Weerakoon, S.R.; Abeysekera, A.S.K.; Weeresena, O.V.D.S.J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Weedy rice (WR) was first reported in 1990 and it is reported in varying population densities from all agro-ecological zones in Sri Lanka. The main problem faced by the famers and the agronomist is the identification ...
Allelic diversity and seedling tolerance of some rice (Oryza sativa) germplasms under salt stress

Dahanayaka, B.A.; Kottearachchi, N.S.; Gimhani, D.R.; Samarasighe, W.L.G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

There are vast numbers of divergent rice germplasms in Sri Lanka. As the development of salinity tolerant cultivars has become a prioritized research area, it is necessary to assess these varieties and utilize them in ...
Evaluation of binders for Tilapia fish sausage production and shelf life evaluation in frozen storage

Deshapriya, D.D.A.D.U.; Lalantha, A.N.; C.V.L. Jayasinghe (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Consumption of Tilapia (Oreochromis niloticus) is restricted due to its muddy flavour and odour. This study aims for the development of tilapia mince based pre-cooked sausage. However, as tilapia muscle tissues are ...
An assessment of heavy salting and salted drying on yield of Talang Queen (Scomberoides commersonianus) fish fillets

Ariyarathna, D.S.; Perera, M.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Dried fish is one of the most popular protein sources among Sri Lankans. Current dried fish processing methods cause to reduce the yield by 1/2 of fresh fish fillets. Salting and drying methods lead to unfavourable ...
Rates of phosphorus on growth and yield of maize (Zea mays L.) in the dry zone of Sri Lanka

Duminda, D.M.S.; Indraratne, S.P.; Kumaragamage, D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Phosphorus (P) is an essential element for maize but many soils are low in forms that are readily available to plants to ensure satisfactory growth. A field research conducted during „Maha’ (2012/2013) season at the ...
Screening of selected Sri Lankan rice varieties under non phosphate fertilizer condit

Aluwihare, Y.C.; Lelwala, R.; Ishan, M.; Sirisena, D.N.; Samarasinghe, W.L.G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Phosphate deficiency tolerance (PDT) is one of the significant traits in improving rice varieties. The present study was conducted to screen traditional and improved rice varieties developed by Rice Research and ...
Performance of broiler chicken fed diets containing different inclusion levels of turmeric (Curcuma longa L.) rhizome powder as a feed additive

Subalini, E.; Rameskaran, M.; Thanuejah, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

An experiment was conducted to study the efficiency of turmeric dietary rhizome powder on performance of broilers at different inclusion levels. Basal diet was supplemented with turmeric (Curcuma longa L.) at three ...
Effects of CaCl2 solution on physical, index properties of liner materials

Arooran, S.; Gobirahavan, R.; Kurukulasuriya, L.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

The main task of clay liners in landfills is to mitigate the migration of pollutants to the groundwater sources. Leachate includes different types of inorganic and organic compounds which affect physical, index properties ...
Impact of locally available organic amendments with leaching on pH in a saline soil

Mirththika, T.; Premanandarajah, P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

A leaching column study was conducted at the Eastern University, Sri Lanka to study the impact of locally available organic amendments with leaching on pH in a saline soil. Farmyard manure (FYM), Gliricidia (G), partially ...
Effect of plant height on yield of traditional rice cultivars

Ranawake, A.L.; Amarasinghe, U.G.S.; Hewage, M.J.; Pradeepika, N.G.J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Hundred traditional rice cultivars were evaluated for their yield potential and agronomic characters at the field condition at Faculty of Agriculture, Mapalana. Experiment was conducted with four replicates according ...
Controlled growth of ZnO/SnO2 mixed nanowires by carbon assisted thermal evaporation process

Tharsika, T.; Haseeb, A.S.M.A.; Akbar, A.; Sabri, M.F.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

This work reports the controlled growth of ZnO/SnO2 mixed nanowires, fabricated by the bottom up process of carbon assisted thermal evaporation method, through vapor-liquid-solid (VLS) mechanism. In this study, SnO2, ...
The influence of nutrient availability on the growth and morphology of Chromolaena odorata (siam weed)

Ranawakage, Viraj; Ellawala, Champika; Chaminda, G.G.T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Invasion success is more often influenced by the nutrient availability in the ecosystems. The growth and morphological responses of the invasive plant species, Chromolaena odorata (Siam weed; Asteraceae) was evaluated ...
Physico-chemical and sensory properties of fat based edible spreads in Sri Lankan market

Weerathunga, K.S.; Hettiarachchi, D.; Gunathilake, K.D.P.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Fat-based edible spreads mainly consist of dairy fat based edible spreads (butter and dairy fat spreads) and non-dairy fat based edible spreads (margarine and fat spreads). The present study mainly focused on benchmarking ...
Evaluation of some traditional rice cultivars for salinity tolerance in a Yoshida solution

Pradeepika, N.G.J.; Ranawake, A.L.; Wanniarachchi, S.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Salt stress is a major constraint which limits rice production. In the present study, 20 traditional rice cultivars were studied for salinity tolerance at the seedling stage in a hydroponic system. The experiment was ...
Development of a cinnamon flavoured butter

Rathnayaka, R.M.C.P.; Pathiraje, P.M.H.D.; Perera, O.D.A.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Novel food products made from functionally valuable commodities have gained an increasing consumer demand recently. Cinnamon (Cinnamomum verum) has gained recognition as a health promoting agent with the proven ...
Impregnation of ethylene scrubbers in paper made from banana fibre delays ripening of „Ambul‟ banana

Gamage, S.M.; Hewajulige, I.G.N.; Perera, O.D.A.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

The effect of biodegradable ethylene scrubbers on extending storage life by reducing ripening of „Ambul‟ banana (Musa acuminata, „Mysore‟ subgroup, AAB group) was investigated. Among many techniques to remove ethylene ...
Complete Submergence tolerance of some traditional rice cultivars at seedling stage

Hewage, M.J.; Ranawake, A.L.; Subasinghe, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)

Submergence tolerance is an important trait where short term flash flooding damages rice. Due to the heterogeneity in flood-prone ecosystem, many different types of traditional rice cultivars are grown by the farmers. ...

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