Scholarly Publications of Academic Members: Recent submissions

Now showing items 1421-1440 of 1958

The estimation of daily mean soil temperature at different depths in three Agroecological regions of Sri Lanka

Kumarathunge, M.D.P.; Waidyarathne, K.P.; Samita, S. (Coconut Research Institute of Sri Lanka, 2012-12-15)

Soil temperature is an important climatic variable in regulating ecosystem process, yet it is difficult and costly to measure daily. Several mathematical models are available to estimate soil temperature; however, most are ...
Limitation in the use of spectral analysis to detect Weligama coconut leaf wilt disease affected palms in Southern Sri Lanka

Nainanayake, A.D.; Gunathilake, J.; Kumarathunga, M.D.P.; Gunawardena, P.M.; Wijesekara, H.T.R. (Coconut Research Institute of Sri Lanka, 2016-11-03)

Weligama Coconut Leaf Wilt Disease (WCLWD) was first reported in late 2006 in the Weligama Divisional Secretariat Division (DSD) in Matara District in the Southern Province of Sri Lanka. Surveys conducted in 2012 revealed ...
A survey of land for Weligama coconut leaf wilt disease affected palms outside the declared boundary in the Southern Province.

Nainanayake, A.D.; Kumarathunga, M.D.P.; De Silva, P.H.P.R. (Coconut Research Institute of Sri Lanka, 2016-11-02)

After the identification ofthe Weligama Coconut LeafWilt Disease (WCLWD) in 2006, a three km wide boundary zone was declared which stretched from Galle to Tangalle. All suspicious palms recorded within the boundary zone ...
Decision Support System for Bank Loan Classification Using Neural Network

Nandani, E.J.K.P.; Wedagedara, J.R. (Faculty of Science, University of Ruhuna, Sri Lanka, 2009-01-01)

We report the designing and application of an Artificial Neural Network (ANN) to classify the consumer loan application in banking sector. The system can be used as a “Second Level” filter, upon which shall be supplied ...
A comparative study of the forecasting bility of Backpropagation Artificial Neural Network Models with Learning Rate Adaptation for Colombo Stock Market

Nandani, E.J.K.P.; Wedagedara, J.R. (Faculty of Science, University of Ruhuna, Sri Lanka, 2011-01)

A stock market is one of the fundamental types of financial markets. The stock market can also be thought of as a highly complex and adaptive system. Financial indices defined on stock prices are used as indicators of the ...
Comparison of ARIMA and Neural Network Models for S&P SL(20) Index

Nandani, E.J.K.P.; Mahinda, M.K.; Wedagedara, J.R. (Faculty of Science, University of Ruhuna, Sri Lanka, 2015-01-23)

In the current financial world, prediction of stock prices has become a vital task. Predicting the future is important for the organizations to plan or adopt the necessary policies. Forecasting can assist them to make a ...
Cultivar by environment interaction of coconut under different water and heat regimes at their early stage of growth

Perera, L.; Samarasinghe, C.R.K.; Kumarathunge, D.P.; Dissanayaka, H.D.M.A.C.; Meegahakumbura, M.K. (Pakistan Botanical Society, 2017-04-25)

Four coconut hybrids (brown dwarf x Sri Lanka tall, Sri Lanka tall x brown dwarf, green dwarf x San Ramon and green dwarf x Sri Lanka tall) arising with two parental dwarf coconut varieties; green dwarf and brown dwarf ...
GROWTH PERFORMANCE OF SANDALWOOD DURING NURSERY STAGE AS AFFECTED BY DIFFERENT HOST PLANTS

Drake, J.E.; Vårhammar, A.; Kumarathunge, D.; Medlyn, B.E.; Pfautsch, S.; Reich, P.B.; Tissue, D.T.; Ghannoum, O.; Tjoelker, M.G. (John Wiley & Sons, Inc., 2017-05-23)

Impacts of climate warming depend on the degree to which plants are constrained by adaptation to their climate-of-origin or exhibit broad climatic suitability. We grew cool-origin, central and warm-origin provenances of ...
Genotypic selection approach made successful advancement in developing drought tolerance in perennial tree crop coconut

Samarasinghe, C.; Meegahakumbura, M.; Kumarathunge, D.; Dissanayaka, H.; Weerasinghe, P.; Perera, L. (Elsevier, 2021-09-04)

Coconut (Cocos nucifera L.) is a major plantation crop in humid tropics that affects the socio-economic life of several developing countries. Being a rainfed crop, coconut is highly prone to drought and breeding for drought ...
Effect of External Factor on Share Price Forecasting

Nandani, E.J.K.P. (IJCSNS.org, 2015-08-01)

Generally, stock markets represent the economic status of a country. Different stock markets have different characteristics based on the economics of the countries they represent [1]. Stock markets are complex, ...
Higher-order local and non-local correlations for 1D strongly interacting Bose gas

Nandani, E.J.K.P.; Romer, R.A.; Tan, Shina; Guan, Xi-Wen (IOP Publishing Ltd and Deutsche Physikalische Gesellschaft, 2016-05-26)

The correlation function is an important quantity in the physics of ultracold quantum gases because it provides information about the quantum many-body wave function beyond the simple density profile. In this paper we ...
Triose phosphate utilization limitation: an unnecessary complexity in terrestrial biosphere model representation of photosynthesis

Rogers, A.; Kumarathunge, D.P.; Lombardozzi, D.L.; Medlyn, B.E.; Serbin, S.P.; Walker, A.P. (John Wiley & Sons, Inc., 2020-11-20)

Triose phosphates are the principal product of photosynthesis. They are used within the chloroplast for starch synthesis, or translocated to the cytosol where they are used to fuel sucrose synthesis. Use of triose phosphate ...
Psychosocial Factors Associated with Quality of Life of Patients with Cancer in Southern Sri Lanka

Weeratunga, Eranthi; Senadheera, Chandanie; Hettiarachchi, Manjula; Ekanayaka, U.; Perera, Bilesha (Faculty of Allied Health Sciences, University of Ruhuna, 2019-12-05)

Introduction:MethodsResultsConclusions:Key WordsStress in cancer patients directly affects the outcome of treatment.Aim of the study was to assessstress levels in cancer patients.A sample of cancer patients (N=210) were ...
Coping Strategies among Patients with Cancer: A Cross-sectional Study done in Teaching Hospital Karapitiya, Southern Sri Lanka

Weeratunga, Eranthi; Hettiarachchi, Manjula; Senadheera, Chandanie; Perera, Bilesha (Faculty of Allied Health Sciences, University of Ruhuna, 2021-08-31)

Background: Coping strategies used by cancer patients to handle the disease contribute to the quality of their remaining life. The literature presents different coping styles and their effects on cancer patients; constructive ...
EVALUATION OF THE PLOTLESS SAMPLING METHOD TO ESTIMATE ABOVEGROUND BIOMASS AND OTHER STAND PARAMETERS IN TROPICAL RAIN FORESTS

Kumarathunge, D.; Thatti, R.O.; Nissanka, S.P. (ALÖKI Applied Ecological Research and Forensic Institute Ltd., Budapest, 2011-08-26)

Use of sampling techniques is of paramount importance since the precision of estimates greatly depend on it. Different methods of sampling have to be investigated to find out the best sampling technique for a given situation. ...
Utilization pattern of Self Medication among Allied Health Undergraduates with focus on Knowledge and Attitudes

Rathnayake, N.; Imendra, K.G.; Abeygunasekara, T.; De Silva, K.; Karunanayake, S. (KDU, 2016)

Self-medication (SM) is a common practice among university students as a part of self-care. Allied Health Science (AHS) students may have different behaviors and views on SM, as they expose to medication knowledge more ...
Prevalence and factors associated with recurrent falls among middle-aged community-dwelling women

Rathnayake, Nirmala; Lekamwasam, Sarath (Hylonome Publications, 2021-09)

Objective: This community-based study evaluated the prevalence and associated risk factors of recurrent falls among middle-aged community-dwelling women in Southern-Sri Lanka. Methods: Randomly selected 285 middle-aged ...
Linguistic and psychometric validation of Sinhala version of Menopause Specific Quality of Life questionnaire

Rathnayake, Nirmala; Alwis, Gayani; Lenora, Janaka; Mampitiya, Iresha; Lekamwasam, Sarath (Sri Lanka Journal of Social Sciences, 2021-06-30)

Abstract Menopause Specific Quality of Life (MENQOL) questionnaire assess the health related quality of life (HRQOL) of postmenopausal women (PMW). It includes 29 menopausal discomforts distributed among four main domains ...
Knowledge, Attitude and Associated Factors on Family Planning Practices among Antenatal Mothers Attending a Teaching Hospital in Sri Lanka

Madushani, U.; Rathnayake, N.; Mampitiya, I. (University of Sri Jayewardenepura, 2021-12-31)

Introduction: Understanding the antenatal mothers’ knowledge and attitude towards family planning (FP) helps to enhance their family well-being. This study aimed to evaluate the knowledge, attitude and factors associated ...
Knowledge and Perception of Falls among Community Dwelling Elderly: A Study from Southern Sri Lanka

Gamage, Nirmala; Rathnayake, Nirmala; Alwis, Gayani (Hindawi, 2018-05-29)

The knowledge and perception of falls facilitate a better pathway to improve the health status among the elderly. Knowledge and perception of falls among community dwelling elderly were assessed in 300 participants (175 ...

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