M. Phil (2017), Postgraduate Institute of Agriculture, University of Peradeniya

B.Sc. (Agriculture) (2012), Rajarata University of Sri Lanka

1. Floriculture, Landscape Horticulture, Plant Systematics, Undergraduate courses, Department of Plant Sciences, Faculty of Agriculture, Rajarata University of Sri Lanka

2. Landscaping and Floral Culture, Undergraduate Course, Department of  Tourism and Hospitality Management, Faculty of Management Studies, Rajarata University of Sri Lanka

3. Post Harvest Activities Related to Cut Flowers and Foliage (NVQ level 5), College of Technology, Anuradhapura from 15. 01. 2018 to 01. 06. 2018

1. Grant from New Phytologist Trust of Lancaster University to participate for Plants, People, Planet Symposium (2019) in Kew Botanical Gardens, London

2. Travel grant from Postgraduate Research Publication Facilitation Fund to participate for 5th International Conference on Agriculture and Environmental Sciences conference in Dubai  (2016)

1. Rajarata  University Research Grant RJT/R&PC/2018/ Agri/R/10 sum of Rs. 355,000.00

2. Rajarata  University Collobarative Research Grant RJT/ RP & HDC/ 2014/ Agric./ R/ 01 sum of Rs. 95,000.00

3. Rajarata  University Collobarative Research Grant RJT/RP&HDC/2013/Agric./R/04 sum of Rs. 100,000.00

1. In charge of the faculty nursery 2017 to present
2. Member of the Grace Chance Committee, Faculty of Agriculture, Rajarata University of Sri Lanka 2018 to present
3. Member of the Medical Committee, Faculty of Agriculture, Rajarata University of Sri Lanka 2018 to present
4. In charge of the floral arrangements sub committee of the 11th Annual Research Symposium (2019), Faculty of Agriculture, Rajarata University of Sri Lanka
5. Committee member of the outdoor decorations 11th Annual Research Symposium (2019), Faculty of Agriculture, Rajarata University of Sri Lanka
6. In charge of the floral arrangements sub committee of the 10th Annual Research Symposium (2018), Faculty of Agriculture, Rajarata University of Sri Lanka
7. Committee member of the outdoor decorations 10th Annual Research Symposium (2018), Faculty of Agriculture, Rajarata University of Sri Lanka
8. Academic sub warden of female hostels of the Faculty of Agriculture, Rajarata University of Sri Lanka from 2013-2018
9. Member of the organizing committee at the 6th Annual Research Symposium-2014, Faculty of Agriculture, Rajarata University of Sri Lanka 
10. Preliminary arrangements and proof reading of symposium proceedings of the 3rd Annual Research Symposium(2013), Faculty of Agriculture, Rajarata University of Sri Lanka 

1. Resource person for Teacher and A/L student Training Programmes on Agricultural Technology and Bio System Technology  in the North Central Province of Sri Lanka from 2013 to present

2. Resource person for Rajarata FM "Thirasara Mandapaya" 2017- 2018

3. Faculty coordinator for exhibition at Madatugama Sri Rewatha Navodya School- 2018

4. Resource person for the exhibition stall at Anuradhapura Central College - 2013

5. Resource person for the exhibition stall at Kilinochchi Tamil Maha Vidyalaya - 2013

1. Wijayawardhana D., Herath V., Weerasinghe, P.A (2019) Cadmium tolerance of rice (Oryza sativa L.): Effects on plant growth and physiology.  Sri Lankan Journal of Agriculture and Ecosystems, 1(2), 80-93 pp.
2. Zakeel, M.C.M., Weerasinghe, P.A., Wijayawardhana, H.C.D., Kumari, B.A.D.G. (2018). Preliminary study to find occurrence and dynamics of toxic cyanobacteria in Nuwara wewa and Nachchaduwa wewa, two man-made reservoirs in Sri Lanka. International Journal for Innovation Education and Research, 6 (5), 179 -191pp.
3. Wijayawardhana, D., Herath, V., Weerasinghe, A. (2016). Heavy metal pollution in Sri Lanka: A review of current research evidences, Rajarata University Journal, 4 (1), 52 -66pp.
4. Herath, D., Weerasinghe, A., Bandara, D., Wijayawardhana, D. (2016). Synergistic effect of zinc and cadmium for uptake, accumulation and growth responses in rice (Oryza sativa L.) varieties, International Journal of Chemical, Environmental and Biological Sciences, 4(1), 69-73pp.
5. Wijayawardhana, D., Weerasinghe, A., Herath, V. (2016). Effect of organic matter application on growth of rice (Oryza sativa L.) in cadmium contaminated sand, International Journal of Chemical, Environmental and Biological Sciences, 4(1), 74-77pp.
6. Wijayawardhana, H.C.D., Herath, H.M.V.G., Weerasinghe. P.A., Herath, H.M.D.A.K. (2015). Morphological variation in selected Sri Lankan Rice (Oryza sativa L.) accessions in relation to the vegetative parameters, Tropical Agricultural Research, 26(2), 380-389pp.
7. Herath, H.M.D.A.K., Bandara, D.C., Weerasinghe, P.A., Iqbal, M.C.M., Wijayawardhana, H.C.D. (2014). Effect of cadmium on growth parameters and plant accumulation in different rice (Oryza sativa L.) varieties in Sri Lanka. Tropical Agricultural Research, 25(4), 432-442pp.         

FULL PAPERS 

1. Weerasinghe, P.A., Wijayawardhana, H.C.D., Herath, H.M.V.G., Herath H.M.D.A.K (2016). Genetic diversity of selected Sri Lankan rice accessions based on agro – morphological characters, Proccedings of the third International Research symposium -2015, Faculty of Management Studies, Rajarata University of Sri Lanka, 26 – 27th January, 2016, 159 – 167pp.

ABSTRACTS 

1. Wijayawardhana D., Herath V, Weerasinghe P.A (2019). Diverse responses of rice varieties to cadmium stress. Proceedings of the Plants, People, Planet Symposium-2019, Royal Botanic Gardens, Kew, London, 04-05 September 2019, 124 pp

2. Karunarathne, P.G.P.K., Wijayawardhana, H.C.D., Herath, H.M.V.G (2018). Assessment of genetic diversity of genus Nymphoides. Proceedings of the 10th Annual Research Symposium – 2018, Faculty of Agriculture, Rajarata University of Sri Lanka, 05th September 2018, 85pp

3. Perera, W.A.O.K., Wijayawardhana, H.C.D., Herath, H.M.V.G (2018). Evaluation of morphological diversity of genus Nymphoides in Anuradhapura district, Sri Lanka. Proceedings of the 10th Annual Research Symposium – 2018,Faculty of Agriculture, Rajarata University of Sri Lanka, 05th September 2018, 90pp

4. Welipitiya, W.M.M.S., Wijayawardhana, H.C.D., Weerasinghe, P.A.(2015). Effect of organic matter on growth and accumulation of cadmium in Bg 300 and Suwandel, grown in cadmium contaminated sand. Proceedings of the Undergraduate Research Symposium-2015, Faculty of Agriculture, Rajarata University of Sri Lanka, 17th August 2015, 67ppWeerasinghe, P.A.,

5. Hearth, D.A.K., Wijayawardhana, D., Bandara, D.C. (2014). Cadmium availability and role of zinc in cadmium tolerance of rice (Oryza sativa). Presented at the second international research symposium-2014, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka, 29-30 October 2014, 43-47pp.

1. Successfully completed training on, “Operation and Maintenance of Farm Machineries” at the Sri Lanka-West German Farm Machinery Training Center (FMTC), Puliyankulama, Anuradhapura, Sri Lanka.
2. Successfully completed  training on, “Operation and Maintenance of Two Wheel and Four Wheel Tractors” at the Sri Lanka-West German Farm Machinery Training Center (FMTC), Puliyankulama, Anuradhapura, Sri Lanka
3. Successfully completed training on, “Post-harvest Technology” at the Institute of Post-Harvest Technology (IPHT), Anuradhapura, Sri Lanka
4. Trained on, “Productivity and Quality Management Techniques” at the National Institute of Plantation Management (NIPM) Sri Lanka, Athurugiriya

5th International Conference on Agriculture and Environmental Sciences, Dubai at 5-6 May, 2016

Plant People Planet Symposium, Kew Gardens, London at 4-5 September, 2019

1. Undergraduate research co-supervision of Mr. W.A.D.P. Wickramasinghe on Comparison of rice (Oryza sativa L.) growth, physiology and weed growth in organic, reduced and conventional systems: The first year in transition (2019)

2. Undergraduate research co-supervision of Ms. A.M.H.E.Adikari on Nutrient levels and trace elements in rice plant under different inputs management systems (2019)

3. Undergraduate research supervision of Mr. W.A.O.K. Perera on Evaluation of morphological diversity of genus Nymphoides in Anuradhapura District, Sri Lanka (2018)

4.  Undergraduate research supervision of Ms. P.G.P.K. Karunarathne on Protocol optimization to assess genetic diversity of genus Nymphoides (2018)

5. UndergraduateResearch Supervision of Mr. W.M.M.S. Welipitiya on Effect of organic matter application on plant growth and Cd accumulation on rice (2015)