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Browsing 14th Annual Science Research Session by Submit Date

Browsing 14th Annual Science Research Session by Submit Date

Now showing items 1-20 of 58

Evaluation of cutting types and propagator systems for rapid vegetative propagation of Carambola (Averrhoa Carambola)

Ratnayake, D. S. B. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Carambola (Averrhoa carambola), or star fruit, is a nutritious but underutilized fruit crop in Sri Lanka, with commercial cultivation hindered by slow and labour-intensive propagation methods like grafting, which can ...
Optimization of growing conditions to enhance the growth performance of mung bean microgreens

Gunawardhana, S. A. R. K.; Jayakody, I. G. H. I.; Arachchige, M. P. M.; Premathilakea, U. G. A. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Abstract Mung bean (Vigna radiata) microgreens are immature seedlings with fully developed cotyledons, often accompanied by true leaves which are emerging as a highly nutritious and fast-growing functional food, rich ...
Assessing the fertilizer effect of the invasive species, Prosopis Juliflora extraction on the growth of cowpea (Vigna unguiculata)

Premawardana, Y. R. S. A.; Premawardana, Y. R. G. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

The plant Prosopis juliflora is one of the widely spread invasive alien species in the tropical dry zones. It is spreading rapidly in the croplands, rangelands, and forests and mainly near the coastal watersheds. The ...
Evaluation of botanical larvicides for managing Cnaphalocrocis Medinalis infestations in rice fields

Jahan, A. S. S.; Sujarajini, V.; Haroon, M. H.; Fairoje, A. L. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

One of the greatest pests of rice in Asia is the rice leaf folder (Cnaphalocrocis medinalis) whose control with synthetic insecticides has led to environmental pollution, resistance, and damage to non-target species ...
Morphological variations of Pleurotus ostreatus commercially grown in Sri Lanka

Fernando, W. A. R.; Jayasuriya, W. J. A. B. N.; Herath, H. M. D. R.; Ekanayake, A. H. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Pleurotus ostreatus is a commercially cultivated edible mushroom in Sri Lanka. However, the morphology of P. ostreatus can vary with environmental conditions, and with substrate, and techniques used for the cultivation. ...
Taxonomic assessment and a dichotomous key for the identification of five Sri Lankan wild rice species (Oryza spp.) with morphological and ecological insights

Thasajini, S.; Wijayasinghe, Malaka M.; Gehan Jayasuriya, K. M. G. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Sri Lanka harbors five wild Oryza species: O. nivara, O. rufipogon, O. eichingeri, O. granulata, and the endemic O. rhizomatis. Accurate taxonomic identification of these species is essential for biodiversity conservation ...
Effect of prolonged drought followed by rewetting on soil nutrient dynamics

Seneviratne, S. M. M. P. K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Soil nutrient dynamics are closely linked to soil moisture availability, particularly in dryland ecosystems where water is a limiting factor influencing microbial and biochemical processes. This study investigated how ...
Exploring alternative culture media and pH influence for enhanced bacterial cellulose production

Bandaraa, A. M. L. S.; Rizvi, E. M. J. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Bacterial cellulose (BC) has potential applications across various industries with a market projection of USD 1.5 billion by 2031 (Cruz et al., 2024). The large-scale production of BC using synthetic media, such as ...
Exploring taxonomic awareness and research gaps in wild rice (Oryza) species of Sri Lanka: a case study approach

Thasajini, S.; Wijayasinghe, Malaka M.; Gehan Jayasuriya, K. M. G. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Wild rice species play a vital role in rice breeding programs as they harbour valuable agronomic traits, such as resistance and tolerance to various biotic and abiotic stresses. However, their populations are declining ...
Production, purification, & characterization of α-amylase from cassava (manihot esculenta) peels by using Aspergillus niger, Aspergillus flavus, & bacillus subtilis

Aaysha Farvina, M. H.; Safeena, M. I. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

The increasing demand for industrial enzymes has intensified research into cost-effective and sustainable production methods of enzymes for daily use. This study focuses on the production, purification, and characterization ...
Evaluation of plant extracts on the suppression of Colletotrichum Gloeosporioides causing anthracnose disease in papaya

Lankachandra, R. D. W. M. W. P.; Safeena, M. I. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Abstract Papaya is one of the most important fruit crops in the world due to its nutritional and economic value, medicinal and culinary uses and export potential. The fungus C. gloeosporioides attacks papaya fruits ...
In vivo and in vitro potential of moringa oleifera leaf extract to retard post-harvest decay of tomato

Sithara, A. M. S.; Safeena, M. I. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-01-30)

Tomato (Solanum lycopersicum) is among the world’s eight most valuable agricultural commodities, according to the Food and Agriculture Organization of the United Nations (FAO). However, postharvest losses of tomatoes ...
Developmental and biochemical disruptions triggered by trace lead exposures in zebrafish (danio rerio) embryos and larvae

Thomas, I. B. K.; Fernandob, S.; Abeykoonb, M. R.; Jayasinghe, C. D.; Abeysinghe, D. T.; Senthilnithy, R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Lead is a ubiquitous toxic heavy metal that poses substantial threats to biodiversity and aquatic ecosystems. Despite its critical impacts on the environment and human health, literature on lead-induced toxicities at ...
Preliminary Inventory ff mosquito diversity In The Kalmunai region and Faculty of Applied Sciences, SEUSL

Thadsana, S.; Sudesh Udayakantha, W. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Mosquitoes are important vectors of many communicable diseases such as dengue, chikungunya, lymphatic filariasis, and malaria. Assessing mosquito species diversity in specific ecological settings is important for ...
Seed germination responses of Sri Lankan wild rice species (Oryza nivara and Oryza rhizomatis) under drying and flood conditions

Thasajini, S.; Mondoni, Andrea; Wijayasinghe, Malaka M.; Gehan Jayasuriya, K. M. G. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Sri Lankan wild rice, Oryza nivara and O. rhizomatis, are two threatened species occurring in habitats characterised by different patterns of dry and wet periods. Both species have dormant seeds at dispersal, and little ...
Ant (Hymenoptera, Formicidae) diversity across four selected habitats in Batticaloa District, Sri Lanka

Hansamali, S.; Vinobaba, M.; Udayakantha, W. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Ant diversity in the eastern part of Sri Lanka remains poorly studied. This study aimed to assess worker ant diversity across four different habitats in Batticaloa District in the eastern part of Sri Lanka: Cashew ...
Synthesis of aryl diethers and diamines via C-X (X = O, N) Ullmann cross-coupling of 1,4-dibromobenzene

Lekamge, D. D.; Fernando, I. R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

and amines which serve as important aryl molecular scaffolds in functional materials. This study explored the synthesis and characterization of C-O and C-N coupled products derived from 1,4-dibromobenzene with various ...
Computational analysis of aromatic thiomorpholine borane as a hydrogen storage material

Thilakasiri, S. K. J. S.; Rifana, A. B. F. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Efficient and cost-effective hydrogen storage remains a significant challenge for utilization of hydrogen as a fuel source. In response, the search for new chemical hydrides has become a major focus. Molecular complexes ...
Investigation of rhodamine b percentage in market food products using spectrophotometric analysis

Diwarathna, K. D. W. H. N. D. C. P.; Haniffa, M. A. C. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

Rhodamine B (RhB) is a synthetic dye widely used in the textile and paper industries as a colouring agent. Despite its known toxicity and carcinogenic properties, it is sometimes illegally used in the food industry as ...
Enhanced photocatalytic degradation of organic pollutants using Fe2O3-TiO2 composites

Rathnayake, R. M. N. L.; Haniffa, M. A. C. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2025-10-30)

This study presents the synthesis and evaluation of Fe₂O₃–TiO₂ composites for the photocatalytic degradation of organic pollutants, using methylene blue (MB) as a model dye under ultraviolet (UV) light irradiation. The ...

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