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International Symposium on Agriculture and Environment - 2022
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Browsing International Symposium on Agriculture and Environment - 2022 by Issue Date

Browsing International Symposium on Agriculture and Environment - 2022 by Issue Date

Now showing items 1-20 of 97

An empirical analysis of the effect of agricultural sector determinants on economic growth in Sri Lanka

Anusha, P.; Vijesandiran, S. (2022-06-16)

The role of agriculture has been significantly emphasized in improving the living standard of the population and economic framework of any country. Rostow (1960) in his Stages of Economic Growth explained that agriculture ...
In vitro efficiency of solubilizing of different types of phosphate by bacteria isolated from a paddy grown Alfisol in the dry zone of Sri Lanka

Gawarammana, M.M.J.K.; De Costa, D.M.; Dandeniya, W.S.; Dharmakeerthi, R.S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

This study evaluated the in vitro efficiency of solubilizing different types of phosphate by bacteria isolated from the rhizosphere of rice at harvesting stage and cultivated in an Alfisol in Maha Illuppallama, dry ...
Actinomycetes from the Kekanadura forest soil: Candidates for biofertilizer formulations

Abhayathunga, T.P.; De Silva, S.Y.S.D.; Widana Gamage, S.M.K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Actinomycetes synthesize a wide range of secondary metabolites with agronomical, industrial, and pharmaceutical importance. Actinomycetes were isolated from a tropical forest soil in order to identify strains with plant ...
Diazotrophic bacteria from a tropical forest soil with additional plant growth promoting traits: Prospective bioinoculants

Abeytunga, K.T.; Wijesooriya, M.M.; Gamage, Widana S.M.K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Soil microbes play a key role in ecosystem functioning by being part of numerous biogeochemical cycles and organic matter decomposition. For this reason, microbial inoculants could contribute immensely to the sustainable ...
A GIS approach to assess the distribution patterns of nephrotoxic constituents in a CKDu prevalent area, Badulla district, Sri Lanka

Karunandasa, H.T.D.R.; Botheju, W.S.M; Liyanage, J.A. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Chronic Kidney Disease of unknown etiology (CKDu) has been a major public health concern in Sri Lanka for two to three decades. Consumption of water with nephrotoxic constituents is one of the major risk factors for ...
Soil organic carbon in mixed mangroves and monospecific stands; A case study from Rekawa and Kalametiya lagoons in Southern, Sri Lanka

Wijeratne, G.G.N.K.; Ranawaka, D.P.D.; Gunathilaka, D.U.V.; Wijesundara, W.M.I.C.; Abeysinghe, N.K.; Thilakarathna, N.D.S.D; Perera, A.J.D.; Dissanayake, N.P.; Andrieu, J.; Kodikara, K.A.S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

The carbon sequestered and stored in mangrove ecosystems is a major component of “Blue Carbon” which is referred to carbon stored naturally in marine and coastal habitats, and it attracted a higher attention as it is ...
A novel approach to determine the unknown concentration of a soil solution using UV spectrophotometer

Kader, S.; Lizny, M.J.M.F.; Asmath, A.M.M.; Naajla, S.L. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Concentration is one of the primitive aspects in chemistry, which describes the extent of abundance of a solute in a given solution. Determining the concentration of a solution that does not has a chemical formula and ...
Evaluation of in vitro antibacterial activity of two blue flower forms of Clitoria ternatea L. against selected strains of human pathogenic bacteria

Bandara, B.T.S.K.K.; Abeysinghe, P.D.; Weerasinghe, N.P.; Attanayake, A.P. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

In recent years, infectious diseases have risen dramatically in prevalence, becoming a major worldwide health concern. The advent of antibiotic-resistant bacterial strains, as well as the associated side effects and ...
Comparative account on chemical compositions and antioxidant potential of essential oils isolated from the leaves of two garcinia varieties grown in Sri Lanka

Kokilananthan, S.; Bulugahapitiya, V.P.; Manawaduand, H.; Gangabadage, C.S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Sri Lankan flora Garcinia quaesita (Rath-Goraka) and Garcinia zeylanica (Kaha-Goraka) are indigenous to the country. Nonetheless, there are no adequate reports on chemical compositions (CCs) of essential oils (EOs) of ...
Development of disease assessment key for bacterial rot disease and identification of high performing growth media for selected commercially grown phalaenopsis cultivars

Perera, A.V.K.S.; Senanayake, R.A.S.P.; Priyadarshan, A.I.S. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Phalaenopsis is one of the major high value orchids with increasing demand and are cultivated as cut flower and pot plants in Sri Lanka. Production of quality planting material is significant to compete in global and ...
Effect of ZnSO4 on Cane Quality of the Variety SL 96 128, under Alfisols at Uda Walawe, Sri Lanka

Kulasekara, B.R.; Ariyawansha, B.D.S.K.; Weerasinghe, H.A.S.; Kumarasiri, U.W.L.M. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Low sugar recovery experienced during the last few years has become a challenging issue for the Sri Lankan sugarcane industry. Enhancement of cane quality is one of the solutions to overcome this problem. The application ...
Effect of the Leaf Trichome Types, Density and Length on Selected Behavioural and Physiological Characteristics of Deltocephalus menoni (Hemiptera: Cicadellidae); Vector of Sugarcane White Leaf Disease

Chanchala, K.M.G.; Hemachandra, K.S.; Nugaliyadde, L.; Wanasinghe, V.K.A.S.M.; Kiriella, S.H.; Witharama, W.R.G. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Trichome act as physical deterrents to insects on the plants and it is important for the resistance against insect herbivores. This study was conducted at the Sugarcane Research Institute (SRI), Uda Walawe with the ...
Comparison of paddy straw and paddy husk as mulching materials in Turmeric (Curcuma longa L.)

Jayaweera, W.M.C.S.; Ranawake, A.L.; Amarasinghe, S.R. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Soil and water management is equally important as same as quality of planting material for getting high yield of turmeric (Curcuma longa L.). Among management practices, mulching plays a critical role in conserving ...
Disease transmission proficiency of Deltocephalus menoni (Hemiptera: Cicadellidae); vector of sugarcane white leaf disease

Chanchala, K.M.G.; Dayasena, Y.A.P.K.; Wanasinghe, V.K.A.S.M.; Hemachandra, K.S.; Nugaliyadde, L.; Witharama, W.R.G. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Sugarcane White Leaf Disease (WLD) is one of the most devastative phytoplasma disease which cause heavy losses to the sugar cane industry in Sri Lanka. Leaf hopper, Deltocephalus menoni (Hemiptera: Cicadellidae) is the ...
Effect of soil physicochemical factors on the growth of algae as a mat on soils in paddy fields; A case study in Hambantota district, Sri Lanka

Karunarathna, M.W.B.S.; Gunasekara, R.D.A.; Maskorala, K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

The growth of algae as a mat on paddy soil in some fields of the Southern part of Sri Lanka, especially in Hambantota district is a challenge for rice cultivation. Rice seedlings entangled in algal mats result empty ...
Fungal community associated with different stages of pathogenesis of Rough Bark Disease of cinnamon in major cultivation regions of Sri Lanka

Tharangani, H.D.A.; De Costa, D.M.; Jayasinghe, G.G. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Rough bark disease (RBD) is an economically important disease in cinnamon grown in Sri Lanka. The aim of the present study was to determine the fungal genera/species consistently associated with the RBD-infected stems ...
Evaluation of volatile antifungal properties of cinnamon leaf and bark oils for managing banana anthracnose disease caused by Colletotrichum musae at post-harvest stage

Wimalasena, S.D.M.K.; Ranathunge, N.P.; Perumpuli, P.A.B.N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

High postharvest losses occur in bananas due to the banana anthracnose disease. Application of cinnamon oil against the banana anthracnose pathogen is an effective solution for the postharvest losses. The volatile ...
A simple method for the preparation of permanent mounts of freshwater cyanobacteria for light microscopy

Chamini, W.V.I.; Gunasekara, R.D.A.; Maskorala, K.; Gamage, Widana S.M.K. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Taxonomic studies of microalgae in many laboratories use drawings, photographs, and type specimens because, continuous maintenance of live specimens is mostly impractical. The most common and easy-to-handle type-specimens ...
Evaluation of potential toxicity of wastewater from automobile service stations by using Lemna minor L

Weerasingha Arachchige, S.M.; Masakorala, K.; Gamage, Kariyawasam Katukoliha U.H. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Automobile service industry is one of the leading producers of wastewater with different types of potential toxicants such as oil, grease, detergent and etc. Therefore, wastewater may affect negatively on different ...
Selecting efficient treatments to phytoremediate nitrate contamination in well water, ex situ, using Ipomoea aqua

Tharmarasa, H.; Jeyakumar, K.; Sivagnanasegaram, K.; Gnanavelrajah, N. (Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)

Ipomoea aquatica has been identified as a potential plant to phytoremediate nitrate contamination of water. This study was conducted to select efficient treatments using Ipomoea aquatica to reduce nitrates in groundwater ...

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