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Browsing JDZA by Issue Date

Browsing JDZA by Issue Date

Now showing items 1-20 of 60

Development of Bilimbi (Averrhoa bilimbi L.) Powder: Physicochemical, Microbial and Organoleptic Qualities

Nilugin, S. E.; Mahendran, T. (University of Jaffna, 2016)

Underutilized plant species are defined by their unexploited economic potential, making them an appropriate focus for commercialization. Fruits of these plants are an important supplement to human diet as they provide the ...
Fermentation of High Gravity Glucose by Free and Immobilized saccharomyces cerevisiae S1 by Cell Recycling

Balakumar, S.; Arasaratnam, V. (Faculty of Agriculture, University of Jaffna, 2016)

The potential economic benefits in ethanol production could be realized by conducting fermentation at 40o C and above. In this study, thermotolerant yeast isolated and developed in our laboratory was used in the cell recycle ...
In-vitro Assessment of Antifungal Activity of Aloe vera Leaf Powder Extracts Against Banana Pseudostem Rot Fungi, Marasmiellus spp

Nivethika, A.; Mikunthan, G. (University of Jaffna, 2016)

Being an important medicinal plant, Aloe vera is important in industrial perspective as well as traditional usage. The antifungal activity of A. vera leaf powder extracts were assessed against banana pseudostem rot fungi, ...
Determination of Quality of Parboiled Rice by Adapting Different Processing Practices in Jaffna Peninsula

Prabhaharan, M.; Alvaappillai, P. (University of Jaffna, 2016)

Parboiling is a hydrothermal treatment applied before milling in order to increase milling recovery by minimizing broken rice percentage in the end product. Parboiling has three stages namely soaking, steaming and drying. ...
Impact of Alternative Wetting and Drying on the Soil Surface Organic Matter in a Lowland Paddy Field

Sellathurai, T.; Kamaleswaran, S; Galagedara, L.W.; Mowjood, M.I.M. (University of Jaffna, 2016)

Ponded water in lowland paddy cultivation has a role on soil biomass accumulation, decomposition, and nutrient availability. However, alternative wetting and drying (AWD) is a common phenomenon under minor irrigation systems ...
Evaluation of Seed Biopriming and Organic Manures on Chilli Organic Seed Production

Ananthi, M.; Selvaraju, P.; Sundaralingam, K. (University of Jaffna, 2017)

To find out the effect of seed bio-priming with liquid bio-fertilizers and application of sources of nutrients on crop growth and yield of Chilli, a field experiment was conducted at the Department of Seed Science and ...
Effect of Thermal Treatment on Keeping Quality of Palmyrah Sweet Sap

Surenther, S.; Mahilrajan, S.; Chandrasena, G; Robika, K; SriVijeindran, S (University of Jaffna, 2017)

The palmyrah palm (Borassus flabellifer) is grows extensively in Northern part of Sri Lanka. Sweet sap is the most important product obtained from palm, could be extracted from both male and female inflorescences (dioecious) ...
Assessment of Morphological Characters of Selected Traditional Sri Lankan Rice Varieties (Oryza sativa L.)

Bandara, M.M.K.; Herath, H.M.V.G.; Wickramasinghe, H.A.M; Bamunuarachchige, T.C. (University of Jaffna, 2017)

: Rice is the major food for more than half of the world population. Sri Lankan traditional rice varieties have a high genetic diversity and hence, a huge potential for important characters. A morphological study is the ...
Lateral Branch Induction of Cordyline (Cordyline fruticosa) Shoot Cuttings with Benzyl Amino Purine (BAP)

Palugaswewa, P.S.; Krishnarajah, S. A.; Mahendran, S.; Puvanitha, S. (University of Jaffna, 2017)

The Cordyline (Cordyline fruticosa) is an important ornamental foliage plant species belongs to Asparagaceae family grown in the tropical and sub-tropical regions of the world. Cordyline has high demand in local and foreign ...
Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula

Jeyavanan, K.; Sivachandiran, S.; Pushpakumara, D.K.N.G. (University of Jaffna, 2017)

A study was carried out in Jaffna peninsula in dry zone area of Sri Lanka to assess the ecosystem services of homegarden agroforestry. Participant observation, interview of householders, measuring and collection of ...
Diversity, Distribution and Biomass of Tree Community in a Tropical Dry Forest of Northern Sri Lanka

Thirukkumaran, S.; Jeyavanan, K.; Sivachandiran, S. (University of Jaffna, 2017)

A study was conducted in a tropical dry forest in Northern Province of Sri Lanka. The study aims to assess the tree diversity, distribution and carbon stock. Field assessment was conducted in six sites of the state forest, ...
Determinants of Herbicide Use in Rice Production Systems of Sri Lanka

Munaweera, T.P.; Jayasinghe, J.A.U.P. (University of Jaffna, 2018)

This study identifies farm-specific and market factors affecting the adoption of herbicides and the level of herbicide use by rice farmers in Sri Lanka. Determinants of adoption and level of herbicide use were explored ...
Yield and Nutritive Value of Palmyrah (Borassus flabellifer) Leaves at Different Stages of Maturity

Sarmini, M.; Premaratne, S. (University of Jaffna, 2018)

Present study was conducted to evaluate the yield and nutritive value of palmyrah (Borassus flabellifer) leaves at different growth stages to find out its forage nutritive value. Palmyrah leaf samples were collected from ...
Mitigation of Salt Stress in Rice through Seed Priming with Regulation of Defense Enzymes

Hemalatha, G.; Renugadevi, J.; Eevera, T. (University of Jaffna, 2018)

In India, rice (Oryza sativa L.) is the major staple food crop providing 43 per cent of calorie requirement for more than 70 per cent of the population. Salinity is one of the major hurdles that cause serious hazards in ...
The Elements Determining the Prevailing State of Poverty among Sea Food Harvesting Community along the North Eastern Coastal Belt of Sri Lanka

Shalton, R. A.; Umashankar, K (University of Jaffna, 2018)

Mullaitivu is one of the districts located along the North Eastern coastal belt of Sri Lanka, relatively more viable for fishing industry. Before civil unrest, times were quite prosperous for the people of Mullaitivu. The ...
Growth and Yield Response of Mechanical Transplanted Rice at Different Plant Densities

Sivaneson, S.; Vijayakumari, V. (University of Jaffna, 2018)

Optimum plant spacing is among key agronomic parameters that influence on growth and yield in rice (Oryza sativa L.). A field experiment was conducted to evaluate the growth and yield response of mechanical transplanted ...
Root fouling organisms of Rhizophora mucronata in Rekawa Lagoon, Sri Lanka

Wanasuriya, W.M.A.P.; Kumara, M.P.; Wijesundara, W.M.I.C. (University of Jaffna, 2018)

Mangrove underwater roots provide habitats for a variety of root fouling organisms. Since there is a dearth of information locally on the fauna and flora growing on such habitats, a study was carried out to study the ...
Comparative Report on the Algal Diversity of Dickwella, Sri Lanka at the Start of South-West Monsoon in 2015 and 2017

Pathirana, P.B.M.; Thilakaratna, W.S.; Bamunuarachchi, N.I. (University of Jaffna, 2018)

This research was carried out at Dickwella algal bed to investigate the percentage abundance of algae diversity at the start of South-West monsoon in June 2015 and 2017. Three line transects such as TR 1, TR 2 and TR 3 ...
Influence of Different Cooking Methods on the Antioxidant Activity of Local Pumpkin Variety (Cucurbita maxima) Cultivated in Jaffna District

Thanuja, S.; Sivakanthan, S.; Vasantharuba, S. (University of Jaffna, 2018)

Antioxidants play major role in maintaining good health. Pumpkin (Cucurbita maxima) is one of the richest sources of β-carotene, a powerful antioxidant. However, the antioxidant activity of vegetables is influenced by the ...
Prospects and Challenges of Mushroom Production in Kuruwita, Sri Lanka: Comparative Report on Two Consecutive Years

Thilakaratna, W.S.; Pathirana, P. B. M. (University of Jaffna, 2018)

Global mushroom production has expanded rapidly in last few decades with the introduction of new mushroom varieties. However, Sri Lanka mainly relies on Oyster (Pleurotus ostreatus) and Abalone (Pleurotus cystidiosus) ...

Now showing items 1-20 of 60

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