wgdlakmini@crop.ruh.ac.lk lakmini077@yahoo.com

+94 71 826 5218

Prof. W.G.D. Lakmini

Professor

Department of Crop Science,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100

Research Interests

Qualifications

Ph.D. | Durham University, UK
M.Phil. | University of Peradeniya, Sri Lanka
B.Sc. | University of Ruhuna, Sri Lanka

Biography

Prof. W.G.D. Lakmini is a Professor in the Department of Crop Science, Faculty of Agriculture, University of Ruhuna. Her work supports crop production and improvement through research, teaching, and academic mentorship. She is interested in sustainable crop management, climate-resilient practices, and improving the efficiency of crop production systems. She contributes to student supervision and the development of field- and lab-based learning in crop science. She values collaboration with farmers and researchers to turn scientific findings into practical recommendations.

Awards

Total: 14

01
Gold Medal – Govi-Nena Home Gardening Mobile App (Open Category – Information and Communication Technology), Sahasak Nimavum 2023 National Inventors and Innovations Competition, organized by the Sri Lanka Inventors Commission under the Ministry of Education, Sri Lanka.
02
Gold Medal – Vidya Ruhuna GoviNena Mobile App, Ruhuna Invention and Innovation Exhibition – Southern Province Competition 2024.
03
Award of Excellence – GoviNena Home Gardening Mobile App, Best Invention in the Commercialized Category, Ruhuna Invention and Innovation Exhibition – Southern Province Competition 2023.
04
First Place – GoviNena Home Gardening Mobile App, Ruhuna Invention and Innovation Exhibition – Southern Province Competition 2023.
05
Best poster presentation of the technical session on Agriculture of the 11th Academic Sessions of University of Ruhuna held on 19th March 2014
06
NRC merit award for scientific publication-2012
07
Netherlands fellowship for short courses Awarded by Nuffic to participate training on Agriculture nutrition linkages: Ensuring impact of agricultural projects from 24th November 2014 to 5th December 2014 at Dreamliner Hotel, Ethiopia.
08
Netherlands fellowship for short courses Awarded by Nuffic to participate training on Transition to sustainable production systems: crop-livestock-environment interactions in a changing world from 19th November 2012 to 30th November 2012 at UPLB, Philipinnes.
09
Mitra award for the best young scientist in global change research awarded by Asia Pacific Network for global change research, 16th Intergovernmental meeting (IGM) 2011.
10
Durham University International studentship Awarded by the Durham University to carryout postgraduate studies at the University of Durham in the United kingdom from 2007-2010.
11
Recipient of the 3 gold medals out of 4 at the 9th convercation held on 25th October, 2000 at University of Ruhuna, Sri Lanka
12
Upali Wijewardhena Memorial Gold Medal awarded by the Upali Foundation to the graduate who passed all the examinations leading to the Degree of Bachelor of the Science of Agriculture and obtained the highest aggregate marks in the year 2000.
13
The Gold Medal awarded by Prof. YDA Senanayake to the graduate who obtain the highest marks in Crop Science at all the annual examinations of the Bachelor of Science of Agriculture course and passed out in 2000.
14
DHE Mohotti Memorial Gold Medal awarded by Dr. JE Mohotti to the graduate who passes out in 2000 with the best performance in the Farm Practice Course at the Faculty of Agriculture, University of Ruhuna.

Research Grants

Total: 8

01
Team member: Commercialization of a real-time agricultural mobile-based information system (Govi nena). Funded by the Accelerating Higher Education Expansion and Development (AHEAD) project. Ministry of Higher Education, World Bank.
02
Principle investigator:- UGC Special Allocation for strengthening research awarded Rs.1.41 million in 2016 to develop eco-friendly weed management in papaya (Carica papaya) and guava (Psidium guajava) orchards.
03
Principle investigator:- University research grant-2014 awarded a research grant valued Rs.18,100//= to impact of different pre-sowing seed treatment on morphological and physiological traits and yield of rice
04
Principle investigator:- University research grant-2013 awarded a research grant valued Rs.11,000//= to Evaluation of phenotypic diversity of Sri Lankan improved rice cultivars based on morphological traits and seed parameters and their association with yield
05
Principle investigator:- Project Transforming University of Ruhuna into International Status - 2012 awarded a research grant valued Rs. 2,000,000//= to evaluate allelopathic potential of improved and traditional rice (Oryza sativiva L.) varieties of Sri Lanka for control of Echinochloa crus-galli.
06
Principle investigator:- University research grant-2012 awarded a research grant valued Rs. 17,000//= to evaluate allelopathic potential of Sri Lankan improved rice (Oryza sativiva L.) varieties for control of Echinochloa crus-galli
07
Principle investigator:- University research grant-2011 awarded a research grant valued Rs. 20,000//= to screen the level of tolerance of three kurakkan varieties to plant water deficit caused by salinity
08
Principle investigator:- University research grant-2009 awarded a research grant valued Rs. 15,000//= to evaluate Effect of drought stress on morphological characters of four tree species at seedling stage

Responsibilities

Total: 25

01
Editor in chief of the proceedings of International Conference on Agriculture and Environment. ISAE2026, ISAE2026
02
Chairperson, Board of Study of Agriculture, University of Ruhuna, Faculty of Graduate Studies, January 2024 to date
03
Coordinator/Examination and Registration/DCEU, 1st May 2022 to 30th July 2025
04
Head, Department of Crop Science, 12th May 2022 to 11th May 2025
05
Head, Department of Crop Science, 22nd May 2021 to 30th November 2021
06
Editor-in-chief of the Journal of Tropical Agricultural Research and Extension - from 15th December 2020 to date
07
Coordinating secretary of the 5th International symposium on Minor Fruits, Medicinal and Aromatic Plants held at the Institute for Agro Technology and Rural Sciences, University of Colombo, Weligatta. September 4 to 6, 2019
08
Editor in chief of the proceedings of 5th International symposium on Minor Fruits, Medicinal and Aromatic Plants
09
Assistant editor of the Journal of Tropical Agricultural Research and Extension- from 30th June, 2017 to December 2020
10
Secretary- Academic committee of the Faculty of Agriculture, University of Ruhuna from November 2015 to March 2019
11
Member of the editorial board of the proceedings of the International Symposium on Agriculture and Environment 2016, 2017, 2018,2019, 2020
12
Member of the editorial board of the proceedings of the student session of the International Symposium on Agriculture and Environment 2017
13
Faculty representative of the 13th Academic sessions and Vice Chancellors’ Awards Ceremony, 2016, University of Ruhuna
14
Senior treasurer of the Crop Society in year 2016 to 2019
15
Treasurer of the International Society of Minor Fruits, Medicinal and Aromatic Plants from December 2013 to 2017
16
Editorial board member of the International journal of Minor Fruits, Medicinal and Aromatic Plants from 2014 to date
17
Coordinating Editor of the International journal of Minor Fruits, Medicinal and Aromatic Plants volume 1 issue 1
18
Editor in chief of the full paper proceedings of 2nd International symposium on Minor Fruits and Medicinal Plants
19
Coordinating secretary of the 2nd International symposium on Minor Fruits and Medicinal Plants held at the Faculty of Agriculture, University of Ruhuna on December 20, 2013
20
Editor in chief of the abstract proceedings of 2nd International symposium on Minor Fruits and Medicinal Plants
21
Coordinator of the Student session-International symposium on agriculture and environment-2012 held at the Faculty of Agriculture, University of Ruhuna on March 15, 2013
22
Associate editor of the proceedings of Student session-International symposium on agriculture
23
Student counselor of the University of Ruhuna from 2013, 2014, 2015 and 2019
24
Coordinator of the MSc in Crop Production Technology for 2013, 2014, 2015, 2024/25 batches
25
Faculty English Coordinator from 2013 to 2016

Journal Publications

Total: 43

Kumara KHCH, Wathugala DL, Kumarasinghe HKMS, Fernando KMC and Withanawasam DM (2025) Effect of single application of rice husk biochar and seasonal application of Urea on Grain Nutritional and Morphometric Traits of Rice: four seasonal field experiment. Tropical Agricultural Research, 37(2): 110-127. DOI: https://doi.org/10.4038/tar.v37i2.9007

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Laksiri, P. H. P. N., Indika, W. A., Wathugala D.L., & Madushika, M. K. S. (2025). Identification of Downy Mildew Disease Stages in Salad Cucumber using Machine Learning. Journal of the University of Ruhuna, 13(2), 149-161(DOI: 10.4038/jur.v13i2.8095). https://doi.org/10.4038/jur.v13i2.8095

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Kumara, K. H. C. H., Fernando, K. M. C., Kumarasinghe, H. K. M. S., Withanawasam, D. M., & Wathugala D.L. (2025). Synergistic Effects of Rice Husk Biochar and Urea Fertilizer on Rice Growth Performance, Soil Properties, and Nitrogen Use Efficiency. Journal of the University of Ruhuna, 13(2), 101-118(DOI: 10.4038/jur.v13i2.8092). https://doi.org/10.4038/jur.v13i2.8092

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Kumara, K. H. C. H., Wathugala D.L., Fernando, K. M. C., & Withanawasam, D. M. (2025). Multifaceted Role of Biochar in Sustainable Rice Cultivation: A Short Review. Journal of Technology and Value Addition, 7(1), 1-29.

Ariyasoma, U. M. U. R., Shyamalee, H. A. P. A., & Wathugala D.L. (2024). Cultivar-specific growth and yield of Mukunuwenna ( Alternanthera sessilis ) in the low country wet zone, Sri Lanka. Tropical Agricultural Research & Extension, 27(1), 54-61.

Ariyasoma, U. M. U. R., & Wathugala D.L. (2023). Nutritional and therapeutic attributes of neglected and underutilized fruit Nutritional and therapeutic attributes of neglected and underutilized fruit crops in Sri Lanka and their potential applications in value addition. International Journal of Minor Fruits, Medicinal and Aromatic Plants., 9(2), 42-51.

Mohamed, M. S. A., Wathugala D.L., Indika, W. A., Madushika, M. K. S., & Ginige, A. (2023). Decision support system enabled digital mobile platform to assist farmers towards agricultural production sustainability in Sri Lanka. Tropical Agricultural Research and Extension, 26(1), 28-43.

Shanadi, A. T., Samaraweera, G. C., Wathugala D.L., Indika, W. A., & Munasignhe, S. M. (2022). Development of mobile-based guideline model of good agricultural practices for potato farmers in Sri Lanka. Tropical Agricultural Research and Extension, 25(2), 154-172.

Kumara, K. H. C. H., Hafeel, R. F., Mirihagalla, M. K. P. N., & Wathugala D.L. (2021). Effect of different methods of application of Zn with reduced NPK fertilizer levels on growth, yield and grain quality of transplant rice ( Oryza sativa. L) var. AT 362. Tropical Agricultural Research and Extension, 24(2), 84-90.

Mohamed, M. S. A., Wathugala D.L., Indika, W. A., & Madushika, M. K. S. (2021). Overcoming Challenges and Achieving Sustainability of Potato Production through a Real-time Digital Knowledge-based System. Tropical Agricultural Research, 32(3), 307-317.

Wickramarathne, W. A. G. C. P., Wathugala D.L., Amarasekara, D. A. B. N., & Kumarasinghe, H. K. M. S. (2021). Effect of UV treated silver on black polythene mulch on the growth and yield of Capsicum annuum L. (chilli) var. MI2 and MI3. Tropical Agricultural Research and Extension, 24(3), 84-90.

Siriwardana, A., Kumarasinghe, H. K. M. S., & Wathugala D.L. (2021). Allelopathic activity of the residues of herbaceous weed species common in Orchards. Tropical Agricultural Research and Extension, 24(4), 276-285.

Kumara, K. H. C. H., Wathugala D.L., Hafeel, R. F., & Kumarasinghe, H. K. M. S. (2019). Effect of Nano Calcite Foliar Fertilizer on the Growth and Yield of Rice ( Oryza sativa ). The Journal of Agricultural Sciences, 14(3), 154-164.

AJMCM, S., Wathugala D.L., & Kumarasinghe, H. K. M. S. (2019). Growth and yield responses of papaya ( Carica Papaya L.) intercropped with herbaceous weeds. International Journal of Minor Fruits, Medicinal and Aromatic Plants, 5(2), 33-38.

AP, S. M., Wathugala D.L.., & HKMS, K. (2019). Evaluation of appropriateness of current weed management techniques practiced in rice cultivation in Akuressa and Athuraliya D.S. divisions. Tropical Agricultural Research and Extension, 22(1&2), 29-35.

LTBK, F., KVVS, K., THPS, F., WGD, L., HPPS, S., NPSN, K., KMEP, F., AP, A., VHL, R., & P, S. (2019). Effectiveness of locally developed ethephone formulation on yield and related latex physiological factors of Hevea brasiliensis. Journal of the Rubber Research Institute of Sri Lanka, 99:115-125.

NPSN, K., LTBK, F., KVVS, K., WGD, L., NN, A., PDTL, M., MKP, P., P, S., & VHL, R. (2019). Effectiveness of commercially available selected water based and oil based ethaphone formulatios as a yield stimulant of rubber ( Hevea brasiliensis ). Journal of the Rubber Research Institute of Sri Lanka, 99:36-46.

UGAT, P., Wathugala D.L., & RM, D. (2018). Evaluation of chemical composition and assessment of antimicrobial activities of essential oil of lemongrass ( Cymbopogon citratus (dc.) stapf). International Journal of Minor Fruits, Medicinal and Aromatic Plants, 4(1), 13-19.

UGAT, P., Wathugala D.L., & RM, D. (2018). Phytotoxic potential of lemongrass ( Cymbopogon citratus (dc.) stapf). Allelopathy Journal, 44(2), 261-268.

UGAT, P., Wathugala D.L., & RM, D. (2018). Effect of different fertilizers on crop growth, oil yield and chemical composition of lemongrass ( Cymbopogon citratus (dc.) stapf). The Journal of Agricultural Sciences, 13(3), 254-262.

AS, R., & Wathugala D.L. (2017). Allelopathic potential of some Sri Lankan traditional rice ( Oryza sativa L.) varieties against Echinochloa crus-galli L. Tropical Agricultural Research and Extension, 19(1), 190-200.

Kumara, K. H. C. H., Hafeel, R. F., Wathugala D.L., & Kumarasinghe, H. K. M. S. (2017). Effect of nano-calcite foliar fertilizer on growth and yield of Oryza sativa variety At 362. Tropical Agricultural Research and Extension, 20(1&2), 59-65.

GAH, & Wathugala D.L.. (2016). Effect of pre-sowing seed treatments on seed germination and salinity tolerance of rice ( Oryza sativa L.). International Journal of Agronomy and Agricultural Research, 9(6), 112-117.

Liyanage, D. P. P., Wenaka, D. R., Wathugala D.L., Niroshani, H. R. C., & Yapa, S. D. S. (2016). Critical period for weed control in big onion ( Allium cepa L.) at two different agroecological zones of Sri Lanka. Tropical Agriculturist, 164:121-135.

Wathugala D.L., & AS, R. (2015). Effect of incorporating the residues of Sri Lankan improved rice ( Oryza sativa L.) varieties on germination and growth of barnyard grass ( Echinochloa crus-galli ). Journal of National Science Foundation, 43(1), 57-64.

SN, G., B, B., & Wathugala D.L.. (2015). Fruit retention and yield is enhanced by application of diammonium phosphate in anola ( Phyllanthus embilica ) grown on laterite soils. International Journal of Minor Fruits, Medicinal and Aromatic Plants, 1(1), 21-25.

SN, G., B, B., & Wathugala D.L.. (2015). Yield and fruit quality of pomegranate ( Punica granatum L.) grown in laterite soil under drip and basin irrigation during summer. International Journal of Minor Fruits, Medicinal and Aromatic Plants, 1(1), 25-31.

AS, R., & Wathugala D.L. (2015). Allelopathic potential of some Sri Lankan improved rice ( Oryza sativa L.) varieties against Echinochloa crus-galli L. Allelopathy Journal, 36(1), 37-48.

AS, R., & Wathugala D.L. (2015). Comparison of allelopathic potential of Sri Lankan traditional rice varieties ( Oryza sativa L.) using Radish ( Raphanus sativus L.) as an indicator plant. Tropical Agricultural Research and Extension, 18(1), 12-21.

NMC, N., NN, H., P, S., & Wathugala D.L.. (2015). Exogenous nitric oxide donor sodium nitroprusside enhanced growth attributes of polybagged rubber ( Hevea brasiliensis ) seedlings. Tropical Agricultural Research and Extension, 18(3), 134-141.

Knight, H., & Knight, M. R. (2014). SFR6 protein of freezing tolerance in Arabidopsis does not affect localization of CBF1 protein. Tropical Agricultural Research and Extension, 16(2), 49-53.

AS, R., TSD, J., & Wathugala D.L. (2014). Allelopathic potential of rice residues of selected rice varieties ( Oryza sativa L.) against Echinochloa crus-galli. Journal of Tropical Forestry and Environment, 4(2), 24-30.

Wathugala D.L., & AS, R. (2014). Allelopathic potential of plant residues of thirty Sri Lankan traditional rice ( Oryza sativa L.) varieties on barnyardgrass ( Echinochloa crus-galli L). Tropical Agricultural Research and Extension, 17(3&4), 115-124.

Wathugala D.L., TSD, J., AS, R., & HMS, K. (2013). Evaluation of allelopathic potential of Sri Lankan improved rice ( Oryza sativa L.) varieties for control of Echinochloa crus-galli. Research on Crops, 14(4), 985-994.

Hemsley, P. A., Cremelie, C. S. M. P., Knight, M. R., & Knight, H. (2012). The Mediator subunit SFR6⁄MED16 controls defense gene expression mediated by salicylic acid and jasmonate responsive pathways. New Phytologist, 195: 217-230.

CS, M., RA, I., Wathugala D.L.., NJ, S., H, K., & MR, K. (2012). ERF5 and ERF6 Play Redundant Roles as Positive Regulators of JA/Et-Mediated Defense against Botrytis cinerea in Arabidopsis. PLoS ONE, 7(4), e35995.

Wathugala D.L. (2012). The role of plant mediator as a gene regulator to tackle climate change-a review. Journal of Environmental Professionals’ Sri Lanka, 1(1), 43-55.

Knight, H., & Knight, M. R. (2012). MED16/SFR6 is necessary but not sufficient for COR gene expression of CBF pathway. Tropical Agricultural Research and Extension, 15(2), 1-6.

WGD, L., PH, K., & MR, K. (2011). Plant mediators to tackle climate change. Asia Pacific Network for Global Change Research, April 6 th Taj Samudra Hotel, Colombo (Best poster presenter- Mitra award).

Richards, S. A., Knight, H., & Knight, M. R. (2011). OsSFR6 is a functional rice orthologue of SENSITIVE TO FREEZING-6 and can act as a regulator of COR gene expression, osmotic stress and freezing tolerance in Arabidopsis, New Phytologist, 191(4). 984-995.

WGD, L., STJ, R., & PE, K. (2007). A preliminary study on the effects of Gliricidia extract on growth performances of tomato ( Lycopersicon esculentum ). Ruhuna Journal of Science, 2: 111-114.

WGD, L., NPAD, N., & WAJM, D. C. (2006). Biochemical changes of four different Coconut ( Cocos nusifera L.) forms under moisture stress conditions. The journal of Agricultural Sciences, 2(3), . 1-7.

WGD, L., NPAD, N., & WAJM, D. C. (2006). Physiological Responses for Moisture Stress and Development of an Index for Screening Coconut ( Cocos nucifera L.) Genotypes for Drought. Journal of Tropical Agricultural Research, 9:17-26.

Conference Publications

Total: 76

Kumara KHCH, Kumarasinghe HKMS, Fernando KMC, Withanawasam DM, Wathugala DL (2026) Effect of Rice Husk Biochar and Urea on Nutritional Properties of Rice under Low Country Dry Zone Conditions in Sri Lanka. Proceedings of 13th Ruhuna International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka, January 21, 2026. 23pp.

Kumara KHCH, Siriwardena MHU, Wathugala DL, Fernando KMC, Kumarasinghe HKMS, Withanawasam DM (2025) Influences of rice husk biochar and nitrogen fertilizer on soil properties and rice (Oryza sativa L.) yield in low country Dry zone of Sri Lanka. Book of abstracts, Green to Green International Conference, 16 December 2025. 21pp.

Kumara, K. H. C. H., Siriwardena, M. H. U., Wathugala D.L., KMC, F., Kumarasinghe, H. K. M. S., & Withanawasam, D. M. (2025). Influences of rice husk biochar and nitrogen fertilizer on soil properties and rice (Oryza sativa L.) yield in low country Dry zone of Sri Lanka. Book of abstracts, Green to Green International Conference, 16 December, 21pp.

Kumara, K. H. C. H., Siriwardena, M. H. U., Withanawasam, D. M., Kumarasinghe, H. K. M. S., Fernando, K. M. C., & Wathugala D.L.. (2025). Combined Application of Biochar and Nitrogen Fertilizer on Nitrogen Use Efficiencies and Grain Yield of Rice (Oryza sativa L.). Proceedings of the 22nd Academic Sessions held on 4th June 2025 at the Faculty of Agriculture, University of Ruhuna: 18-19.

Kumara, K. H. C. H., Siriwardana, M. H. U., Withanawasam, D. M., Fernando, K. M. C., & Wathugala D.L. (2025). Synergistic effects of biochar and nitrogen fertilizer on soil properties and yield of rice grown in low country dry zone of Sri Lanka. Proceedings of 12th Ruhuna International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka, January, 22, 2025: 88p.

Kumara K.H.C.H, M. H. U. S. (2024). Impact of different levels of biochar and carbonyl diamide (urea) on physicochemical properties of rice (Oryza sativa. L). Proceedings of the International Symposium on Agriculture and Environment, May, 10, 2024, University of Ruhuna, 21p.

Vithusha S, W. K. N. S. D. (2024). Evaluating new fertilizer schedules for enhanced cultivation of salad cucumber (Cucumis sativus l.) under controlled environmental agriculture. Proceedings of the International Symposium on Agriculture and Environment, May, 10, 2024, University of Ruhuna, 31p.

Mahendrarasa A, U. M. U. R. A. (2024). Impact of vine training techniques on growth and yield of salad cucumber (Cucumis sativus L.) in protected house conditions. Proceedings of the International Symposium on Agriculture and Environment, May, 10, 2024, University of Ruhuna, 121p.

Ariyasoma, UMR, Shyamalee, HAPA, & Wathugala D.L. (2023). Study on growth & yield performances of selected Alternanthera sessilis (Mukunuwenna) cultivars in low country wet zone, Sri Lanka. Proceedings of International Conference on Multidisciplinary Research (ICMR 2023), Eastern University, Sri Lanka with Sri Sathya Sai University for Human Excellence, India. 27-28pp.

Kumara, K. H. C. H., Siriwardana, M. H. U., Hafeel, R. F., Withanawasam, D. M., Fernando, K. M. C., & Wathugala D.L. (2023). Impact of different biochar and urea fertilizer ratios on soil microbial activity, growth and physiological performances of rice (Oryza sativa L.). Proceedings of the International Conference on Applied and Pure Sciences (ICAPS), University of Kelaniya, 13th October 2023: 33p.

Shanadi, A. T., Samaraweera, G. C., Wathugala D.L., & Indika, W. A. (2023). Farmers’ perception of Good Agricultural Practices (GAPs) and GAPs based guideline model for potato cultivation in Sri Lanka. The 20th Academic sessions, 2023, University of Ruhuna, 7th June, 54p.

Mohamed, M. S. A., Wathugala D.L., Indika, W. A., & Madushika, M. K. S. (2022). Designing Packages of Practice to Increase Home Garden Crop Production in Sri Lanka. Proceedings of 8th International Conference on Dry Zone Agriculture 2022 Faculty of Agriculture, University of Jaffna, Sri Lanka, 14th of September 2022. Page 5.

Shanadi, A. T., Samaraweera, G. C., Wathugala D.L., Indika, W. A., Madushika, M. K. S., & Gunawardana, D. A. Y. K. (2021). User-friendly interface design to disseminate best agricultural practices. 8th Ruhuna Science and Technology Conference (RISCON), 17th Feb 2021, 143p.

Laksiri, P. H. P. N., Indika, W. A., Madushika, M. K. S., & Wathugala D.L. (2021). Conceptual Model to Identify Pest and Disease of Brinjal in Home Gardens: A Case study. 18th Academic Sessions, University of Ruhuna, 3rd March, 119p.

Millawithanachchi, M. C., Edirisinghe, E. A. N. P. K., Lakmini, W. G. D., & Liyanaarachchi, J. S. H. (2021). A survey study on salinity and flood affected Rice fields of costal belt of Galle district of Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, May, 07, 2021, Faculty of Agriculture, University of Ruhuna, 94p.

MS, A. M., Wathugala D.L., Indika, W. A., Madushika, M. K. S., Piyaratne, M. K. D. K., & Samaraweera, G. C. (2020). Package of Practices for a Mobile Application to Improve the Yield and Long-term Sustainability of Potato Production in Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, February, 14, 2020, Faculty of Agriculture, University of Ruhuna, 151p.

Gunawardana, D. A. Y. K., Indika, W. A., Madushika, M. K. S., Piyaratne, M. K. D. K., Wathugala D.L., & Samaraweera, G. C. (2020). “ruhuna Govi-Nena” Web-based Dashboard to Manage the Agricultural Activities in Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, February, 14, 2020, Faculty of Agriculture, University of Ruhuna, 152p.

Mallikaarachchi, T. B., Samaraweera, G. C., Indika, W. A., Madushika, M. K. S., Piyaratne, M. K. D. K., & Wathugala D.L. (2020). Developing Conceptual Close-loop Demand and Supply Models under Govi Nana Mobile Platform Development: Identification of Challenges in Implementation. Proceedings of the International Symposium on Agriculture and Environment, February, 14, 2020, Faculty of Agriculture, University of Ruhuna, 153p.

Shanadi, A. T., Samaraweera, G., Wathugala, D., Indika, W., Madushika, M., & Piyaratne, M. (2020). Present Situation of Intercropping in Potato Cultivation in Nuwara Eliya and Badulla Areas. Proceedings of the International Research Conference of Uva Wellassa University, July 29-30, 2020, 44p.

Mohamed, M. S. A., Wathugala, D., Indika, W., Madushika, M., Piyaratne, M., & Samaraweera, G. (2020). Constraints Faced by Potato Farmers in Major Potato Growing Areas in Sri Lanka: An ICT based Intervention. Proceedings of the International Research Conference of Uva Wellassa University, July 29-30, 2020, 22p.

Mohamed, M. S. A., Wathugala, D., Indika, W., Madushika, M., Piyaratne, M., & Samaraweera, G. (2020). A Model for a Mobile Application to Support Agro-ecological Regions based Crop Selection in Sri Lanka. Proceedings of the International Research Conference of Uva Wellassa University, July 29-30, 2020, 19p.

Gunawardana, D. A. Y. K., Wathugala, D., Indika, W., Madushika, M., Piyaratne, M., & Samaraweera, G. (2020). User-friendly Applications for Sri Lankan Farmers: “govi Nena”. Proceedings of the International Research Conference of Uva Wellassa University, July 29-30, 2020, 172p.

Mohamed, M. S. A., Wathugala, D., Indika, W. A., & Madushika, M. K. S. (2020). Overcoming Challenges Faced by Potato Farmers through a Digital Knowledge-based System: A Case Study in Major Potato Growing Areas in Sri Lanka. 32nd Annual congress, November 19 - 20, Postgraduate Institute of Agriculture, Peradeniya, 11p.

Shanadi, A. T., Samaraweera, G. C., Wathugala D.L., Indika, W. A., & Madushika, M. K. S. (2020). Proposing a Mobile based Guideline Model of Good Agricultural Practices (GAPs) for Potato Cultivation in Sri Lanka. 32nd Annual congress, November 19 - 20, Postgraduate Institute of Agriculture, Peradeniya (Best Presenter Award for Resource Management and Extension Track).

Laksiri, P. H. P. N., Indika, W. A., Madushika, M. K. S., & Wathugala D.L. (2020). Identification of Late Blight and Early Blight Diseases in Potato using Image Processing Techniques:a Case Study, in: Proceedings of 11th International Conference on Business and Information - University of Kelaniya (ICBI 2020), Sri Lanka: November 2020.(Best Presenter Award for Technology, Cloud Computing, Big Data Analytics and Information Technology Track).

Mohamed, M. S. A., Wathugala, D., Indika, W. A., & Madushika, M. K. S. (2020). A Key Model to Provide Required Information at Farming Life Cycle of Crop Production through a Real-Time Mobile-Based Application. 11th International Conference on Business and Information (online) 9th November, 71-76pp.

Siriwardena, A. J. M. C. M., Kumarasinghe, H., & Wathugala, D. (2020). Allelopathic Activity of the Residues of Common Herbaceous Weed Species in Orchards. National symposium of Institute for Agrotechnology and Rural Sciences (online), University of comlombo, 15th December.

Shanadi, A. T., Samaraweera, G. C., Wathugala D.L., Indika, W. A., & Madushika, M. K. S. (2020). Farmer education and potato storage in Sri Lanka: Present status and future prospects. In Proceedings of the 6th International Conference on Dry Zone Agriculture (ICDA-2020), Sri Lanka, December 2020.

Kudaligama, K. V. V. S., Fernando, L. T. B. K., Fernando, T. H. P. S., Lakmini, W. G. D., Somasiri, H. P. P. S., Karunarathna, N. P. S. N., Rodrigo, V. H. L., & Senevirathne, P. (2019). Performance of a local formulated ethaphone formulation as a yield stimulant in Hevea: Effectiveness on yield and related latex physiological factors. Accepted for the plantation crop research symposium to be held in April, 2019.

AP, S. M., Kumarasinghe, H. K. M. S., & Wathugala D.L. (2019). A case study on effect of herbicides and their mixtures on weed control and yield of rice (Var. At 362) at Akuressa and Athuraliya divisional secretariat divisions in Matara District of Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, February, 28, 2019, The Blue Water, Wadduwa: 94p.

Gamlath, R. D. S. M., Perera, D., Ranathunga, M. A. B., & Wathugala D.L. (2018). Improving tea (Camellia sinensis) cultivars for shot hole borer (Xylebourus fornicates) resistance: Study on cultivar tolerance and shot hole borer behavior. Student Session Proceedings of the International Symposium on Agriculture and Environment, January, 19, 2018, Hotel Galadari, Colombo: 17p.

Silva, S. D., Hafeel, R. F., & Wathugala D.L. (2018). Variability in Seed Dormancy of some Improved Rice Varieites in Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, January, 19, 2018, Hotel Galadari, Colombo: 29-32pp.

Prasadi, G. C., Wathugala D.L., & Kumara, K. L. A. W. H. (2018). Adoption of safer and responsible pesticide application technologies by farmers in Matara district. Proceedings of the International Symposium on Agriculture and Environment, January, 19, 2018, Hotel Galadari, Colombo: 118-121pp.

Siriwardana, A. J. M. C. M., Kumarasinghe, H. K. M. S., & Wathugala D.L. (2018). Use of herbaceous weeds as a cover crop for weed management in papaya orchards. Proceedings of the Wayamba University International Conference, 24-25 August, 2018: 353p.

Premathilake, U. G. A. T., Wathugala D.L., & Dharmadasa, R. M. (2017). Allelopathic potential of essential oil and byproducts resulting after hydro distillation of Symbopogon citrates (DC) Stapf. (Lemongrass). Proceedings of the International Symposium, Uva Wellassa University, Badulla. January 19-20,2017:286p (Best Oral presentation Award).

Galahitigama, GAH, Kumarasinghe, H. K. M. S., & Wathugala D.L. (2017). Alleviation of NaCl induced salinity in rice (Oryza Sativa) seedlings by seed osmopriming. Proceedings of the International Symposium on Agriculture and Environment, January, 19, 2017, Faculty of Agriculture, University of Ruhuna: 52-54pp.

Prasadi, G. C., & Wathugala D.L. (2017). Knowledge and attitude among vegetable growers regarding pesticide application: A case study in Matara district, Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment, January, 19, 2017, Faculty of Agriculture, University of Ruhuna: 239-241pp.

Galahitigama, GAH, & Wathugala D.L. (2016). Effects of pre sowing seed treatment on drought tolerance of rice (Oryza Sativa) seedlings. Proceedings of the International Symposium on Agriculture and Environment, January, 13, 2016, Faculty of Agriculture, University of Ruhuna: 85-88pp.

Wathugala D.L. (2016). Evaluation of Allelopathic effect and competition of some Sri Lankan Traditional Rice (Oryza Sativa L.) varieties on growth of Barnyardgrass (Echinochoa crus-galli). 13th Academic sessions, University of Ruhuna. March 2nd: 12p.

Galahitigama, GAH, & Wathugala D.L. (2016). Seed priming improves growth of rice (Oryza Sativa L.). 13th Academic sessions, University of Ruhuna. March 2nd: 72p.

Galahitigama, GAH, Kumarasinghe, H. K. M. S., & Wathugala D.L. (2016). Phytotoxic effect of Michelia champace L (Gini sapu) seeds to control of Echinochloa crusgalli L (Barnyard grass) seedlings in paddy cultivation. National Conference on Green Practices. 14 July 2016: 31p.

Liyanage, D. P. P., Wenaka, D. R., Wathugala D.L., Niroshani, H. R. C., & Yapa, S. D. S. (2016). Critical period for weed control in big onion (Allium cepa L.) at two different agroecological zones of Sri Lanka. Annals of the Sri Lanka, Department of Agriculture (ASDA), 18:121-125.

Wathugala D.L. (2015). Seperation of allelopathic effect from Resource competition of Sri Lankan improved rice (Oryza sativa L) varieties on growth of barnyard grass (Echinochloa crus-galli). 12th Academic sessions, University of Ruhuna. March 4th: 65p.

Wathugala D.L. (2015). Review of miracle beverage: The coconut water, all purpose wonder drink. 3rd International Symposium on Minor Fruits, Medicinal and Aromatic Plants. 20-21 may 2015, Bangladesh Agricultural University, Mymensingh, Bangladesh: 22p.

Ranagalage, A. S., Wathugala D.L., & Kumarasinghe, H. K. M. S. (2014). Allelopathic potential of selected rice varieties (Oryza sativa) againt radish (Raphanus sativus L.). Proceedings of the Young Scientist Forum Symposium, National Science and Technology Commission, February 7th 2014: 158p.

Ranagalage, A. S., Jayakody, T. S. D., & Wathugala D.L. (2014). Evaluation of allelophathic potential of Traditional rice varieties using Radish (Raphanus sativus) as test crop. International Conference on Agricultural Science (Aginsight 2014). 9th and 10th January, Sabaragamuwa University: 98p.

Ranagalage, A. S., Jayakody, T. S. D., & Wathugala D.L. (2014). Allelopathic potential of rice residues of selected rice varieties (Oryza sativa L) against Echinochloa crus-galli. 18th International Forestry and Environment Symposium. 10th and 11th January at MAS Fabric Park: 11p.

Ranagalage, A. S., & Wathugala D.L. (2014). Allelopathic potential of selected rice varieties (Oryza Sativa) against radish (Raphanus sativus L.) Proceedings of the Young Scientists Forum Symposium 2013, February 7, 2014, Hector Kobbakaduwa Agrarian research center, Colombo: 155-158.

Ranagalage, A. S., Wathugala D.L., & Kumarasinghe, H. K. M. S. (2014). Evaluation of Allelopathic potential of selected traditional rice (Oryza sativa L) cultivars in the early vegetative stage on barnyard grass (Echinochloa crus-galli) seedling growth . 11th Academic sessions, University of Ruhuna. March 19th: 133p (Best poster presenter award).

Premathilake, U. G. A. T., & Wathugala D.L. (2014). Evaluation of Re-germination and seedling vigour of rice (Oryza sativa L) after different period of water stress on germinated seeds. 11th Academic sessions, University of Ruhuna. March 19th: 138p.

Ranagalage, A. S., Wathugala D.L., & Kumarasinghe, H. K. M. S. (2014). Evaluation of Allelopathic potential of Sri Lankan improved rice cultivars (Oryza sativa L) in their early growth stage on barnyard grass (Echinochloa crus-galli) growth. iPURSE Proceedings of the Peradeniya University International Research Sessions, Vol.18, 4th and 5th July 2014 : 563.

Ranagalage, A. S., & Wathugala D.L. (2014). Allelopathic properties of selected improved rice (Oryza sativa L) cultivars on growth of barnyard grass (Echinochloa crus-galli). Proceedings of WinC, 2014(Wayamba International Conference), 29-30-August 2014: 274.

Galahitigama, GAH, Kumarasinghe, H. K. M. S., & Wathugala D.L. (2014). Effects of pre sowing seed treatment with some selected chemicals and organic solutions on growth of rice (Oryza Sativa) seedlings. Proceedings of the International Symposium on Agriculture and Environment, November, 27, 2014, Faculty of Agriculture, University of Ruhuna: 177-180pp.

Ranagalage, A. S., & Wathugala D.L. (2014). Sri Lankan Improved rice (Oryza Sativa) germplasm shows variable allelopathic effect on radish (Raphanus sativus L.) Proceedings of the International Symposium on Agriculture and Environment, November 27, 2014, Faculty of Agriculture, University of Ruhuna: 35-37pp.

Premathilake, U. G. A. T., & Wathugala D.L. (2013). Enhancing Drought tolerance of rice (Oryza Sativa) by giving water stress on germinated seeds. Student session- Proceedings of the International Symposium on Agriculture and Environment-2012, March, 15, Faculty of Agriculture, University of Ruhuna: 38-42.

Hewage, M. J., Senevirathne, P., & Wathugala D.L. (2013). The effectiveness of plant quality monitoring programme on the conditions of the rubber clearings. Student session- Proceedings of the International Symposium on Agriculture and Environment, -2012, March, 15, Faculty of Agriculture, University of Ruhuna: 94-98(best poster presenter award).

Jayakody, T. S. D., & Wathugala D.L. (2013). Allelopathic potential of nine Sri Lankan improved rice (Oryza sativa L.) cultivars for control of Echinochloa crus-galli. 10th Academic Sessions, University of Ruhuna: 69p.

Ranagalage, A. S., Jayakody, T. S. D., & Wathugala D.L. (2013). Effect of rice residue incorporation on seed germination and seedling growth of weedy rice (Oryza sativa var. spontanea) Proceedings of the International Symposium on Agriculture and Environment, November 28, Faculty of Agriculture, University of Ruhuna: 466-469.

Wathugala D.L., Premathilake, U. G. A. T., & Kumarasinghe, H. K. M. S. (2013). The effect of salinity on vegetative growth of three finger millet (Eleusine coracana). Proceedings of the International Symposium on Agriculture and Environment, November, 28, Faculty of Agriculture, University of Ruhuna: 555-557.

Premathilake, U. G. A. T., & Wathugala D.L. (2013). The Medicinal and Nutritional Properties of some Important Underutilized Fruit Species in Sri Lanka. 2nd International Symposium on Minor Fruits and Medicinal Plants, December 20, Faculty of Agriculture, University of Ruhuna. 25p.

Ranagalage, A. S., & Wathugala D.L. (2013). A review of medicinal and nutraceutical properties of Rice (Oryza sativa). 2nd International Symposium on Minor Fruits and Medicinal Plants, December 20, Faculty of Agriculture, University of Ruhuna: 24p.

Wathugala D.L., Nagahawatta, I. D., & Kumarasinghe, H. K. M. S. (2012). The effect of salinity on seed germination and seedling growth of three finger millet (Eleusine coracana L. Gaerth) varieties. Proceedings of the International Symposium on Agriculture and Environment, November, 29, Faculty of Agriculture, University of Ruhuna: 331-333.

Lakmini, W. G. D., Knight, P. H., & Knight, M. R. (2011). Plant mediators to tackle climate change. Asia Pacific Network for Global Change Research, April 6th Taj Samudra Hotel, Colombo (Best poster presenter- Mitra award).

Mampitiyarachchi, H. K., Rodrigo, V. H. L., & Lakmini, W. G. D. (2011). Performances of several cut foliage species as an intercrop under rubber. International Symposium on Agriculture and Environment, November, 09, Faculty of Agriculture, University of Ruhuna: 186p.

Hemsley, P. A., Lakmini, W. G. D., Knight, P. H., & Knight, M. R. (2009). SFR6, a central regulator of inducible plant gene expression? Plant Temperature Response Network, September 23rd-24th St. Aidence college, Durham University. 5p.

Lakmini, W. G. D., Knight, P. H., & Knight, M. R. (2009). SENSITIVE TO FREEZING6 protein is necessary but not sufficient for freezing tolerance in Arabidopsis thaliana. Plant Temperature Response Network, September 23rd-24th St. Aidence college, Durham University:10p.

Lakmini, W. G. D., Nainanayake, N. P. A. D., & WAJM, D. C. (2006). Physiological responses of four coconut (Cocos nusifera l.) genotypes under water stress. 10th Anniversary International Symposium, Sabaragamuwa University of Sri Lanka, 4th to 8th July: 26p.

Lakmini, W. G. D., Nainanayake, N. P. A. D., & WAJM, D. C. (2006). Genotype environment interaction as a tool for screening drought tolerant coconut (Cocos nusifera l.) genotypes. 62nd Annual scientific session of Sri Lanka Association for the Advancement of Science, December 10th to 15th. 20-21.

Priyadharshani, B. W. N., NAK, D. S., & Lakmini, W. G. D. (2006). Effect of different vermicompost and coir dust mixtures on the growth performance of tomato (Lycopersicon esculentum). 4th Academic sessions of University of Ruhuna, on November 2006: 20p.

Hasalaka, H. L. E., Jayawardana, S. N., Lakmini, & WGD (2006). Effect of flooding depth and weed control on establishment, growth and yield of rice under seedling broadcasted conditions. 4th Academic Sessions of University of Ruhuna, on November 2006: 14p.

Yapa, T. D. W. S. P., Wijesinghe, K. G. G., & Lakmini, W. G. D. (2006). Development of a suitable field establishment method for seedlings and vegetative propagated plants of cinnamon (Cinnamomum verum Presl.) under field conditions. 4th Academic Sessions of University of Ruhuna, on November 2006: 19p.

Lakmini, W. G. D., Nainanayake, N. P. A. D., & WAJM, D. C. (2006). Physiological responses of four coconut (Cocos nusifera l.) genotypes under water stress. International Symposium, Sabaragamuwa University of Sri Lanka, From June 04th -08th: 26 p.

Senarathne, D., Atapattu, N. S. B. M., Lakmini, W. G. D., Palihakkara, I. R., Piyadigama, B., & Senarathne, C. C. (2006). Behavior of cattle in an agro-forestry system. 11th International Symposium of Forestry and Environment. 11p.

Priyadharshani, B. W. N., NAK, D. S., & Lakmini, W. G. D. (2006). Media properties of different vermicompost and coir dust mixtures. 11th International Symposium of Forestry and Environment. 42p.

Lakmini, W. G. D., Nainanayake, N. P. A. D., & WAJM, D. C. (2006). Screening of coconut (Cocos nusifera l.) for drought tolerance. 11th International Symposium of Forestry and Environment. 24p.

Lakmini, W. G. D., & Subasinghe, S. (2001). Effect of different levels of salinity on seed germination of four selected tree species. 7th Annual Forestry and Environmental Symposium, Sri Lanka. 5p.