• Sri Lanka Association for the Advancement of Science” (SLAAS)
• Sri Lanka Standards Institution (SLSI)
• National Institute of Plantation Management (NIPM)
• Sri Lanka Cashew Corporation

• Functional Foods / Bioactive compounds in foods / Antioxidant properties of food
• Tea Agronomy and Processing / Crop Physiology / Plantation Crop Production
• Land productivity improvement / Intercropping / Agroforestry

• President Award for Scientific Publication in 2013.
• NRC Merit Award for Scientific Publication in 2014.
• Best Paper Award: 1^st International Symposium on Cashew Nut, Tamil Nadu Agricultural University, Madurai, India in 2011.

Selected publications in refereed journals

• Rajadurai, R., Abeysinghe, D.C. and Yoo, Y.S. (2019). Current Status and Major Challenges of the Tea Industry in Sri Lanka. Journal of the Korean Tea Society, Vol. 25, No. 2 pp. 25-32.
• Rathnayake, A.M.G.N., Abeysinghe, D.C., Dharmadasa, R.M., Prathapasinghe, G.A. and Jayasooriya, L.J.A.P.A. (2018). Phytochemical, Physiochemical and Mineral Contents of Domesticated and Non Domesticated Populations of Momordica charantia Seeds Harvested at Two Maturity Stages. World Journal of Agricultural Research, 6 (3) 77-81.
• Amarasinghe, K.G.A.P.K., Ranasinghe, C.S., Abeysinghe, D.C. and Perera, A.A.F.L.K. (2016). Early Fruit Set in Dwarf × Tall Crosses of Coconut (Cocos nucifera ) under Reciprocal Pollination between Heat and Drought Stressed and Non Stressed Flowers. International Journal of Agriculture, Forestry and Plantation 3 (June): 105-113.
• Abeysinghe, D.C., Mewan, K.M., Kumari, W.M.S.S. and Kumara, K.L.W. (2015). Morphological and Molecular Differences of Exobasidium vexans Massee Causing Blister Blight Disease of Tea. Journal of the Korean Tea Society, 2015 Special Issue: 72-76.
• Kankanamalage, T.N.M., Dharmadasa, R.M., Abeysinghe, D.C. and Wijesekara, R.G.S. (2014). Survey on medicinal materials used in traditional systems of medicine in Sri Lanka. Journal of Ethnopharmacology, 155 (1): 679-691. Link Here
• Fernando, I.D.N.S., Abeysinghe, D.C. and Dharmadasa, R.M. (2013). Determination of phenolic contents and antioxidant capacity of different parts of Withania somnifera (L.) Dunal. from three different growth stages. Industrial Crops and Products, 50: 537-539. Link Here
• Abeysiri, G.R.P.I., Dharmadasa, R.M., Abeysinghe, D.C. and Samarasinghe, K. (2013). Screening of phytochemical, physico-chemical and bioactivity of different parts of Acmella oleraceae (Asteraceae), a natural remedy for toothache. Industrial Crops and Products 50: 852-856. Link Here
• Abeysinghe, D.C., Li, X., Sun, C.D. and Chen, K.S. (2008). Pigment content and their relationship with hydrophilic and lipophilic antioxidant capacities in seven fruit species. Journal of Fruit Science, 25 (6): 790-796.
• Abeysinghe, D.C., Li, X., Sun, C.D., Zhang, W.S., Zhou, C.H. and Chen, K.S. (2007). Bioactive compounds and antioxidant capacities in different edible tissues of citrus fruit of four species. Food Chemistry, 104 (04): 1338-1344. Link Here
• Zhang, W.S., Li, X., Wang, X.X., Wang, G.Y., Zheng, J.T., Abeysinghe, D.C., Ferguson, I. B. and Chen, K.S. (2007). Ethanol vapour treatment alleviates postharvest decay and maintains fruit quality in Chinese bayberry. Postharvest Biology and Technology, 46 (02): 195-198. Link Here

Conference proceedings

• Abeysinghe, D.C. (2015). Variation in Major Antioxidants and Total Antioxidant Capacity of Cashew Apples at Different Maturity Stages and Among Selected Cultivars in Sri Lanka. Acta Hort. (ISHS) 1080: 313-320.
• Abeysinghe, C. (2011). Comparative study on identification of requirements and constraints faced by Sri Lankan smallholder organic tea production. Proceedings of the full papers of 17^th IFOAM Organic World Congress, Korea, 26-27 September, 2011, 180-184.
• Ranasinghe, C.S., Amarasinghe, K.G.A.P.K., Abeysinghe, D.C., Perera, A.A.F.L.K. (2016). A Pollination Strategy to Increase the Setting of Dwarf × Tall Hybrid Seed Coconut under Heat and Water Stress. Proceedings of 3^rd International Symposium on Coconut Research and Development, 10-12 December 2016, ICAR – CPCRI, Kasaragod, Kerala, India. 08p.
• Amarasinghe, K.G.A.P.K., Ranasinghe, C.S., Abeysinghe, D.C., Perera, A.A.F.L.K. (2014). Effect of Heat and Drought Stress on the Development of Reproductive Organs of Different Coconut (Cocos nucifera) Cultivars under Controlled Pollination Conditions in Sri Lanka. Proceedings of 2^nd International Conference on Advance in Plant Sciences, 18^th -22^nd November 2014, Kuching, Malaysia, 60p.
• Abeysinghe, D.C. The Sri Lankan Tea Industry: Current Status and Future Trends. (2014). Proceedings of International Symposium on Tea Science and Tea Culture 2014, 4^th – 6^th November 2014, Jeju, Korea. 23-24p.
• Abeysinghe, D.C., Amarakoon, A.M.T. and Jayathilake, M. A.K. (2014). Phenolic constituents, caffeine and antioxidant capacities in green, oolong and black tea processed from tender leaves of four cultivars. Proceedings of International Symposium on Tea Science and Tea Culture 2014, 4^th – 6^th November 2014, Jeju, Korea. 33p.
• Abeysinghe, D.C., Botheju, W.S. and Delgamuwa, D.P.K.R. (2014). Effect of Dhool Temperature on Quality of Orthodox Rotorvane Tea and Its Grade Outturn Percentage Manufactured using Two End Attachments in Different Degrees of Wither. Proceedings of International Symposium on Tea Science and Tea Culture 2014, 4^th – 6^th November 2014, Jeju, Korea. 72p.
• Abeysinghe, C. and Hettiarachchi, H.K.M.R. (2013). Phenolic Contents and Antioxidant Capacity of Whole Cashew (Anacardium occidentale L.) Nuts, Kernels and Testa. Proceedings of the full papers of Annual Symposium on Minor Export Crops, Plant Genetic Resource Centre, Gannoruwa, Peradeniya, 12^th and 13^th of September 2013, 125-129.
• Abeysinghe, C. (2012). A comparison of phenolic, flavonoid and vitamin C contents, and antioxidant capacity of cashew (Anacardium occidentale L.) apples grown in Sri Lanka. Proceedings of the full papers of Annual Symposium on Minor Export Crops, Plant Genetic Resource Centre, Gannoruwa, Peradeniya, 16-17 August 2012, 39-42.
• Prasanna, W.R.A.C., Rodrigo, V.H.L., Abeysinghe, D.C. and Kudaligama, K.V.V.S. (2010). Stimulant Levels to be used with Two Low Intensity Harvesting (LIH) Systems of Rubber under Wet and Intermediate Zones of Sri Lanka. Proceedings of the full papers of 15^th International Forestry & Environment Symposium, University of Sri Jayawardenapura, Gangodawila, Nugegoda, 26-27 November 2010, Sri Lanka, 265-272.

Books and book chapters

• D.C. Abeysinghe, (2003) Chapter 08: Intercropping in cashew plantations, Cashew cultivation principles and techniques, Edited by S.J.B.A. Jayasekera and N.E.M. Jayasekera, Colombo: Sri Lanka Cashew Cooperation pp. 215-240.

Postgraduate supervision

M.Phil.

• Ms. K.G.A.P.K. Amarasinghe (Wayamba University of Sri Lank) – Completed

Determination of the Effects of Heat and Water Stress on Fertility of Female and Male Reproductive Organs of Coconut (Cocos nucifera L.)

• Mr. IJ Amadoru (Wayamba University of Sri Lank) – On going

Effect of selected agronomic practices on phyto-chemical, physio-chemical and bio activity of an introduced variety of Pogostemon heyneanus Benth. (Lamiaceae) and optimization of its processing techniques.

• Ms. D.G.N.D. Gamage (Wayamba University of Sri Lank) – On going

Exploitation of cosmetic potential of medicinal plants in Sri Lanka.

• Mr. E.G.D.Ranasinghe (Wayamba University of Sri Lank) – On going

Optimization of Agronomic Practices for Commercial Cultivation of Stevia rebaudiana and Development of Zero-calorie, Naturally Sweetened Tea for the Benefit of Diabetic Patients of Sri Lanka.

• Mr. A.P.D.A. Jayasekara (Wayamba University of Sri Lank) – On going

Effect of biofilm biofertilizers on crop production and soil carbon sequestration of tea and rice cultivations.

• Ms. A.M.G.N Rathnayake (Wayamba University of Sri Lank) – On going

Exploitation of Nutritional Composition, and value added product development from underutilized yams and tuber species grown in Sri Lanka.

Research Grants

• Effect of selected agronomic practices on phyto-chemical, physio-chemical and bio activity of an introduced variety of Pogostemon heyneanus Benth. (Lamiaceae) and optimization of its processing techniques. Funded by the Wayamba University of Sri Lanka (2015-2017).
• Determination of the effects of heat and water stress on fertility of female and male reproductive organs of coconut (Cocos nucifera L.). Funded by the National Research Council (NRC) (2013-2016).
• Feasibility Study of Castor Plantation in Sri Lanka. Funded by Global Environment Centre Foundation (GEC Japan) of PEAR Carbon Offset Initiatives Pvt. Ltd.  (Partnership for Environmental Action with Responsibility) (2011-2013).
• Antioxidant Capacities and Bioactive Compounds of Fresh Cashew Apple and its Processed Products. Funded by the Wayamba University of Sri Lanka (2010-2012).

Editorial works

• Editor, Proceedings of the International Conference on Advances in Agronomy, Technology, Value Creation, Processing and Marketing of Tea, 2017

Reviewer

• Journal of Food and Agriculture

Post held

• Dean / Faculty of Agriculture and Plantation Management – Wayamba University of Sri Lanka (26^th August 2016 to 25^th August 2019).
• Head / Dept. of Plantation Management – Wayamba University of Sri Lanka (1^st June 2012 to 31^st May 2015)
• Director /Career Guidance Unit – Wayamba University of Sri Lanka, (1^st January 2009 to 31^st May 2017).
• Director/ B.Sc. (Plantation Management) External Degree Program – Wayamba University of Sri Lanka (March, 2017 – to date).
• Director/ Business Research and Development (BREAD) Centre– Wayamba University of Sri Lanka (2018 – to date).
• Program Coordinator/ B.Sc. (Plantation Management) External Degree Program – Wayamba University of Sri Lanka (June, 2012 – July, 2016).
• Project Coordinator – HETC/QIG Project, Faculty of Agriculture and Plantation Management – Wayamba University of Sri Lanka (2012-2014).
• Deputy Coordinator– Activity 2 (Improve Quality and Relevance) HETC/UDG/EDP Project, Wayamba University of Sri Lanka (2012-2014).
• Deputy Coordinator– Activity C (Strengthening Student Soft Skills) HETC/ UDG Project,Faculty of Agriculture and Plantation Management – Wayamba University of Sri Lanka (2011-2016).
• Deputy Proctor – Wayamba University of Sri Lanka, Makandura (November 2002 to September 2004).
• Lecturer in-charge – Faculty of Agricultural Sciences, Wayamba Campus, Rajarata University of Sri Lanka. (April 1996 to October 1996).
• Section Head / Programme Coordinator – Agriculture Programme, North Western Province Affiliated University College, Makandura. (January 1995 to April 1996).