Agronomy: Recent submissions

Now showing items 101-120 of 155

Callus Induction using Leaf Explants and Development of Thin Layer Chromatographic Fingerprint Profile for Secondary Metabolites of Gyrinops walla Gaertn

Selvaskanthan, S.; Kehelpannala, C.; Jayasinghe, U. L. B.; Pushpakumara, D K.N.G.; Eeswara, J.P. (South Asian University and National Academy of Sciences of Sri Lanka, 2018)

: Gyrinops walla Gaertner., an endemic plant species, produces agarwood, is widely used as an ingredient in the cosmetic industry. The recent high demand for G.walla has created large scale harvesting and consequently had ...
Rapid in vitro multiplication for regeneration and gc-ms study on identifying chemical constituents of in vitro plantlets of gyrinops walla

Selvaskanthan, S.; Kaushalya, D.B.R.; Pushpakumara, D.K.N.G.; Jayasinghe, L.; Eeswara, J.P. (School of Agricultural Sciences, Sharda University, India, 2021)

Gyrinops walla is an endemic and endangered tree species of Sri Lanka, exploited due to its precious agarwood which has huge demand for its unique scent. In addition to conserve the existing tree species, promising methods ...
Effect of Different Levels of Nitrogen Fertilizer on Growth and Yield Performance of Different Varieties of Groundnut (Arachis hypogea L.)

Kapilan, K.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka., 2020)

Efficient utilization of applied fertilizer is essential to reduce the cost of fertilizer as well as environmental pollution. An experiment was conducted to assess the effect of different levels of nitrogen fertilizer on ...
Effect of Gypsum Application on Yield Performance of Ground Nut (Arachis hypogea L.) Varieties in Kilinochchi District, Sri Lanka

Thivakaran, N.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka., 2020)

Groundnut (Arachis hypogea L.) is an important oil crop grown in Sri Lanka. Application of fertilizer is substantially contributing to the yield increment; however improper management of fertilizer and minerals is the ...
Impact of Different Border Crops on Growth and Yield Performance of Cauliflower (Brassica oleracea var botrytis L.) Varieties

Jayamini, A. G. I.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka., 2020)

Cauliflower produces best curd in cool and moist climate and affected mainly by some pests. Natural pest control provides a safe and more sustainable approach for managing pest populations. The use of border crop was an ...
Impact of Different Border Crops on Growth and Yield Performance of Cabbage (Brassica oleracea. L) Varieties

Jayamini, A. G. I.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, Eastern University, Sri Lanka, Vantharumoolai, Chenkalady, 2020)

A research was conducted to assess the impact of different border crops on growth and yield performances of cabbage varieties at Faculty of Agriculture, Kilinochchi during December 2018 to April 2019. Experiment was carried ...
Influence of Seed Sources on Yield Performance of Selected Varieties of Rice Cultivated in Karachchi Division, Kilinochchi

Pathmanathan, S.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, Eastern University, Sri Lanka, Vantharumoolai, Chenkalady, 2020)

The utilization of quality seed paddy is an important aspect to increase the yield of rice with providing optimum management. An experiment was conducted at the Integrated Farm, Faculty of Agriculture, Killinochchi during ...
Effect of Time of Planting on Growth, Flowering Efficiency and Yield of Different Onion Cultivars in Maha Season

Sujeeva, S.; Arasakesary, S. J.; Nishanthan, K.; Amirthalojanan, A. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2019)

Onion (Allium cepa L.) is an important cash crop in Sri Lanka, cultivated by either seed or bulb. Seed production of onion is important due to global demand of onion and lack of good quality planting materials at affordable ...
Evaluation of the Suitability of Different Rooting Media and Length of Cuttings on Growth and Yield Performance of Mint (Mentha spp.)

Priyatharshini, R.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2019)

Mint (Mentha spp.) is an aromatic perennial herb and it is popular in the world due to its specific aroma. Currently it is not cultivated commercially in Sri Lanka. An experiment was conducted to evaluate the suitability ...
Effect of Different Potting Medium on Growth and Yield Performances of Brinjal under Organic and Inorganic Management

Vijayarathy, T.; Pradheeban, L.; Nishanthan, K. (Jaffna Science Association (Guarantee) Limited, 2019)

A pot experiment was conducted to evaluate the effect of different potting medium on growth and yield performances of brinjal (var. Thinnavelli purple) under organic and inorganic management. The experiment was carried out ...
Effect of Different Periods of Earthing up on Growth and Yield Performances of Groundnut (Arachis hypogea L.)Varieties

Thilini, S.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2018)

An experiment was conducted to assess the effect of different periods of earthing up on growth and yield performances of groundnut (Arachis hypogea L.) varieties at the Faculty of Agriculture, Kilinochchi during the period ...
Effect of Different Potting Medium on Growth and Yield Performances of Capsicum under Organic and Inorganic Management

Vijayarathy, T.; Pradheeban, L.; Nishanthan, K. (Faculty of Agriculture, University of Jaffna, Sri Lanka, 2018)

A pot experiment was conducted to evaluate the effect of different potting medium on growth and yield performances of capsicum (Capsicum annum var. Hungarian Yellow Wax) under organic and inorganic management conditions. ...
Seedbank dynamics and integrated management of Parthenium hysterophorus in vegetable capsicum

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Elsevier Ltd, 2018)

Weed seedbank was assessed and an integrated weed management package was developed to control Parthenium hysterophorus in vegetable capsicum. Field experiments were conducted simultaneously in a Parthenium-site (PS) and ...
Control of Parthenium hysterophorus L. and its Impact on Yield Performance of Tomato (Solanum lycopersicum L.) in the Northern Province of Sri

Nishanthan, K.; Sivachandiran, S.; Marambe, B. (Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka, 2013)

Impact of weed control methods on the persistence of Parthenium hysterophorus L., and tomato (Solanum lycopersicum L.) yield was studied in two farmer fields i.e. a site heavily infested with P. hysterophorus (Parthenium-site) ...
Distribution, Growth and above ground Biomass of Teak (Tectonagrandis L.) Plantation in Mullaitivu District of Sri Lanka

Satheesan, T.; Sivachandiran, S.; Phuspakumara, D.K.N.G.; Sivanathawerl, T. (International Journal of Scientific and Research Publications, 6 (3): 72-76, 2016-03)

Teak plantation was established in Northern Province of Sri Lanka since 1960’s and it is widely used for the purpose as timber in Sri Lanka. Among the districts of the Northern region, Mullaitivu is a potential district ...
Yield Optimization of Chilli and String bean for Different Levels of Spacing and Organic Fertilizer under Intercrop and Monocrop systems

Shivatharsinii, K.; Jeyavanan, K.; Siyambalapitiya, S.B. (International Research Sessions, Faculty of Dental Science, University of Peradeniya, Sri Lanka, 2016-11-04)

The scope of agriculture is the utilization of resources in the most efficient manner. In this respect, optimization of yield in agriculture crops is needed to safeguard the farmer by minimizing the cost. In the collaboration ...
Effect of Different Pre-Sowing Treatments on Seed Germination of Diospyros ebenum Koenig

Jeyavanan, K.; Vinujan, Phuspakumara, D.K.N.GS; Sivachandiran, S. (World Journal of Agricultural Sciences 12 (6): 384-392, 2016, 2016-12)

Diospyros ebenum Koenig is one of canopy dominant species commonly called as Ceylon ebony and heavily extracted and threaten border line by anthropogenic activity in the dry zone forests in Sri Lanka, has led to the decrease ...
Plant Diversity and Income Generation of Homegardens in Kilinochchi District, Sri Lanka

Vinujan, Sivachandiran,SS; Sivananthawerl, Phuspakumara, D.K.N.GT (World Journal of Agricultural Sciences 12 (6): 393-403, 2016, 2016)

Homegardens are considered as one of the sustainable land use systems in Sri Lanka. Sustainable production and good socio-economic condition can be achieved by homegardening. There were no data regarding the available ...
Species Diversity, Distribution and Biomass Estimation of Selected Sites of Forest Reserve in Mullaitivu District in Sri Lanka

Thirukkumaran, Sivachandiran, S S.; Jeyavanan, K. (International Conference on Dry Zone Agriculture -2016. Jaffna University, Sri Lanka, 2016-12-15)

The Mullaitivu district covers approximately 8.6 % of forest vegetation which contributes for the economic development of the rural community and environmental conservation of the district. However, information ...
Distribution and Carbon Stock Estimation of Mangrove Species in Kokkilai Lagoon of Mullaitivu District in Sri Lanka

Vinoth, Jeyavanan, K. A.; Sivachandiran, S. (International Conference on Dry Zone Agriculture -2016. Jaffna University, Sri Lanka, 2016-12-15)

The aim of this study was to assess the diversity of mangrove tree species and to estimate above ground biomass in mangrove-forested areas. While there has been extensive research on mangroves both in tropical and ...

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