lankaranawake@hotmail.com lankaranawake@agri.ruh.ac.lk

+94 71 811 6967

Prof. A.L. Ranawake

Senior Professor

Department of Agricultural Biology,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka (81100).

Research Interests

Qualifications

PhD in Plant Breeding, Molecular Biology and Biotechnology, Agronomy | Kobe University, Japan
MSc in Plant Breeding, Molecular Biology and Biotechnology, Agronomy | Kobe University, Japan
BSc (Hons) in Agriculture (Specialized in Genetics and Plant Breeding) | University of Ruhuna, Sri Lanka

Positions

Head | Agricultural Biology
Editor-in-Chief | TARE journal
Chairperson | CDC
Secretary | SBS Revision Committee

Biography

Lanka Ranawake is a Senior Professor in the Department of Agricultural Biology, Faculty of Agriculture, University of Ruhuna, Sri Lanka. Her research interests include plant molecular biology and genetics, plant genetic resources, plant breeding, plant stress biology with a particular focus on drought, salinity, submergence, and climate resilience, legume biology and biological nitrogen fixation, root system biology and architecture, plant phenotyping, agricultural statistics and data science, and indigenous knowledge for sustainable traditional industries, with an emphasis on the documentation, scientific validation, and application of traditional knowledge to promote sustainable agricultural and rural development.

Awards

Total: 22

01
Research publication awards, 2025, ISAE2025, Galle face, Colombo, Sri Lanka
02
Academic supervisor of the National Winners of the NSF Science Research Project Competition 2022/23, A preliminary study on floral sap yield determination of naturally grown Kithul palms, SRPC, NSF, 2023
03
Support Scheme for Supervision of Research Degrees (SUSRED) for the recognition of graduation of postgraduate students (MJ Hewage) within the stipulated time, National Science Foundation, Sri Lanka, 2016
04
Support Scheme for Supervision of Research Degrees (SUSRED) for the recognition of graduation of postgraduate students (UGS Amarasinghe) within the stipulated time, National Science Foundation, Sri Lanka, 2015
05
Second runners-up, Best poster, First Ruhuna International Science and Technology Conference, 2014
06
Government literary awards for Sinhala anecdote, Ministry of Art and culture, 2013
07
Postdoctoral fellow, University of Southern Queensland, Australia, 2012
08
UNESCO Keizo Obuchi young researcher fellowship to carry out research on traditional rice cultivars in Sri Lanka, 2012
09
ICGEB fellowship to follow a short course on RNA structure and Function in Trieste, Italy, 2012
10
NSF travelling fellowship to attend a workshop on RNA structure and Function in Trieste, Italy, 2012
11
Vice Chancellor’s award, best oral presentation, 9th Academic sessions, University of Ruhuna, 2011
12
NFP fellowship to attend workshop on Breeder’s right, Plant Variety Protection, Wageningen UR, Netherlands, 2011
13
Vice Chancellor’s awards, best oral presentation, 8th Academic Sessions, University of Ruhuna, 2010
14
Best poster presentation, Professional category, International Symposium on Agriculture and Environment, University of Ruhuna, 2010
15
Supervisor of the most outstanding student research of the year, Student session, International Symposium on Agriculture and Environment, University of Ruhuna, 2010
16
Japanese Government Scholarship (Monbukagakusho) for pursuing M.Sc. and Ph.D. in Kobe University, 2002-2008
17
Accreditation as a teacher in higher education after successfully completing the Staff and Education Development Association (SEDA, UK) certification, University of Colombo, 2002
18
Presidential award for research publications in SCI journals 2002
19
Dr. S.K. Charles Memorial Gold Medal for the most outstanding performance at the B.Sc. Agriculture degree Final examination, General convocation, 1998
20
Upali Wijewardhane Memorial Gold Medal for the highest aggregate marks for all examinations leading to the B.Sc. Agriculture degree, General convocation, 1998
21
Prof. Y.D.A. Senanayake Gold Medal for the highest marks in Crop Science at all the examinations of B.Sc. Agriculture degree, General convocation, 1998
22
D.H.E. Mohotti Memorial Gold Medal for the best performance in the farm practice course of B.Sc. Agriculture degree, General convocation, 1998

Research Grants

Total: 9

01
Principal Investigator - Resolving cultivar identity of traditional rice cultivars in the same name - International Center for Genetic Engineering and Biotechnology, EUR 24,000, ICGEB/CRP/SRI/13-01, 2013
02
Principal Investigator - Understanding the genetic diversity of salinity tolerant rice cultivars/mutants and molecular basis of salinity tolerance with respect to gene expression in Saltol region, Indo-Sri Lanka Programme of Cooperation, Ministry of Technology and Research, MTD/TDR/Agr/03/01/06, Rs. 5.1 million, 2013
03
Principal Investigator - Diversity analysis of some traditional rice cultivars with known submergence tolerance - UNESCO Keizo Obuchi, ERI/NCS/FLP/LZF/12.305, USD 5,000, 2012
04
Principal Investigator - Understanding the molecular basis of submergence tolerance in traditional rice cultivars with respect to Sub1A gene - NRC 12-027, Rs. 5.7 million, 2012
05
Principal Investigator - Assessing traditional rice accessions in Sri Lanka for fertilizer response, Transforming Universities to International Status (TURIS), University of Ruhuna, Rs. 2 million, 2012
06
Principal Investigator - University research grant: Screening traditional rice accessions in Sri Lanka for drought tolerance, Rs. 20,000, 2009
07
Co-investigator - Harnessing Azolla and Seaweed extract for sustainable foliar fertilizer production to address soil salinity associated problems in Sri Lanka (Rs. 2,410,000)
08
Co-investigator - Evaluation of physico-chemical and antioxidant properties of two pineapple varieties grown in different agro-ecological zones of Sri Lanka to identify the most suitable locations for the best quality pineapple cultivation (Rs. 2,660,000.00)
09
Co-investigator - Production of liquid biofertilizer derived from algal hydrolysates for enhanced agricultural sustainability in Sri Lanka (Rs. 4,660,000.00)

Editorial Works

Total: 6

01
Editor-in-Chief, Journal of Tropical Agriculture Research and Extension, ISSN: 1391-3646, 2024 - up to date
02
Editorial board member, Journal of Tropical Agriculture Research and Extension, ISSN: 1391-3646, 2018-2020
03
Editor-in-Chief, Workshop proceedings for: Utilization of Stress Tolerance of Rice to Meet the Emerging Challenges in Food Security in Tropical Asia, ISBN: 978-955-1507-35-0, 2014
04
Editorial board member, Proceedings of International Symposium on Agriculture and Extension, 2022, 2023
05
Editorial board member, Proceedings of 10th Academic sessions and 9th Vice Chancellor's awards ceremony, ISSN: 1391-8613, 2013
06
Editorial board member, Proceedings of 8th Academic sessions and 9th Vice Chancellor's award ceremony

Postgraduate Supervision

Total: 5

01
WMCS Jayaweera, MPhil, Completed, Co-supervisor
02
HAPA Shyamalee, PhD, Completed, Principal supervisor
03
MJ Hewage, MPhil, Completed, Principal supervisor
04
NGJ Pradeepika, MPhil, Completed, Principal supervisor
05
UGS Amarasinghe, Mphil, Completed, Principal supervisor

SCI Journal Publications

Total: 13

Pradeepika, NGJ and Ranawake A.L., 2025. Assessing the impact of salinity stress on Na+, K+, and Ca2+ contents of 125 rice genotypes, Journal of the National Science Foundation of Sri Lanka 53 (2): 109 – 120 DOI: 10.4038/jnsfsr.v53i2.12198

Safwa, M.F.Z., Samarasinghe, T.N., Wijevardhana, A.N., Shyamalee, H.A.P.A. and Ranawake, A.L., 2025. Evaluation of genotypic variability and yield performance of selected indigenous and improved Ipomoea batatas L. genotypes under poly sack cultivation. Journal of the National Science Foundation of Sri Lanka, 53(1). 57-72. DOI: 10.4038/jnsfsr.v53i1.12174

Ranawake, A.L., and Shyamalee, H.A.P.A. 2024. Genetic diversity analysis of traditional and improved rice genotypes in Sri Lanka using SSR markers. Journal of the National Science Foundation of Sri Lanka, 52(2): 241 – 253. DOI: http://dx.doi.org/10.4038/jnsfsr.v52i2.11656

Ranawake, A.L., Pathirana, R. 2024. Indigenous knowledge in the Kithul (Caryota urens L.) industry of Sri Lanka and its scientific basis. Genetic Resources and Crop Evolution, https://doi.org/10.1007/s10722-023-01847-7

Shyamalee, H.A.P.A. and Ranawake, A.L. 2024. Path coefficient analysis using traditional and improved rice genotypes for trait effect on grain yield. Journal of the National Science Foundation of Sri Lanka, 52(1):93–102. DOI: 10.4038/jnsfsr.v52i1.11649

Shyamalee, H.A.P.A. and Ranawake, A.L. 2023. Submergence tolerance and tolerance mechanism: A study on traditional and improved rice genotypes at the seedling stage under complete submergence stress in Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 51(3):519–532. DOI: 10.4038/jnsfsr.v51i3.11333

Shyamalee, H.A.P.A. and Ranawake, A.L. 2024. Screening eighty traditional and improved rice genotypes in Sri Lanka for salinity tolerance at the seedling stage in Yoshida solution. Journal of the National Science Foundation of Sri Lanka, 51(4):597–614. DOI: 10.4038/jnsfsr.v51i4.11500

Liyanage, N.N., Ranawake, A.L. and Bandaranayake, P.C.G. 2021. Cross-pollination effects on morphological, molecular, and biochemical diversity of a selected cinnamon (Cinnamomum zeylanicum Blume) seedling population. Journal of Crop Improvement, 35(1):21–37. DOI: https://doi.org/10.1080/15427528.2020.1795769

Dahanayake, N., Inoka, K.P.I. and Ranawake, A.L. 2014. Effect of Different Potting Mixtures on Growth and Yield of Soybean (Glycine max L.) and Soil Microbial Activity. Journal of Agricultural Science and Technology, ISSN: 1939-1250, 4:176–179

Ranawake, A.L., Manangkil, O.E., Yoshida, S., Ishii, T., Mori, N. and Nakamura, C. 2014. Mapping QTLs for cold tolerance at germination and the early seedling stage in rice (Oryza sativa L.), Journal of Biotechnology and Biotechnological Equipment, 28(6): 989–998. https://doi.org/10.1080/13102818.2014.978539

Ranawake A.L., Mori N., Nakamura, C. 2012. Expression profiles of stress-responsive genes in rice (Oryza sativa L.) under abiotic stresses. Journal of Biotechnology and Biotechnological Equipment, 26(1):2838-2843 https://doi.org/10.5504/BBEQ.2011.0154

Ranawake, A.L., Ishii, T., Mori, N., Yoshida, S., and Nakamura, C. 2008. Mapping of quantitative trait loci associated with cold tolerance at the post-germination stage in rice, Biotechnology & Biotechnological Equipment 22(1): 536–540. https://doi.org/10.1080/13102818.2008.10817507

Pathirana, R., Wijithawarna, W.A., Jagoda K., Ranawake, A.L. 2002. Selection of rice for iron toxicity tolerance through irradiated caryopsis culture, Plant Cell Tissue and Organ Culture, 70:83–90

Refereed Journal Publications

Total: 24

Bandara, T.T., Jayasekara, K.M.U.S., Dunukara, D.M.S.B., Lakshan, W.P.A.C., Samaraweera, M.A. and Ranawake, A.L., 2025. Characterization of morphological diversity in marigold (Tagetes spp.) accessions in Sri Lanka: A preliminary study. Journal of Agro-Technology and Rural Sciences, 5(1), pp.6–17. Available at: https://doi.org/10.4038/atrsj.v5i1.73

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L. 2025. Evaluation of Vegetative Growth Parameters and Rhizome Development of Turmeric Cultivated Under Varying Plant Densities Using Single-Bud Nursery Plants, Journal of AGRIEAST, 19(2), 12-25 DOI: 10.4038/agrieast.v19i2.144

Bandara, T. T., Jayasekara, K.M.U.S., Dunukara, D.M.S.B., Lakshan, W.P.A.C., Samaraweera, M. A. and Ranawake A. L. 2025, Characterization of morphological diversity in marigold (tagetes spp.) accessions in Sri Lanka: a preliminary study Journal of Agro-Technology and Rural Sciences, 5(1): 6-22 DOI: 10.4038/atrsj.v5i1.73

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L. 2025. Optimizing the ratio of water hyacinth, cattle manure, and sawdust for the optimum physicochemical and biological properties of compost. Journal of Food and Agriculture. 18(1), ISSN: 1800-4288, E. ISSN: 2613-8530 DOI: https://doi.org/10.4038/jfa.v18i1.5335

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L., 2025. Applicability of agronomic traits in the determination of yield of turmeric (Curcuma longa L.). Tropical Agricultural Research and Extension, 28(1). 26-42 DOI: https://doi.org/10.4038/tare.v28i1.5745

Nishani, Y.A.R., Shyamalee, H.A.P.A. and Ranawake, A.L., 2025. Characterization and diversity analysis of underutilized Capsicum chinense L. accessions in Sri Lanka. Tropical Agricultural Research and Extension, 28(2), 73-91. DOI: https://doi.org/10.4038/tare.v28i2.5754

W.P.A.C. Lakshan, M.A. Samaraweera, H.A.P.A. Shyamalee, A.L. Ranawake, 2024. Optimization of vegetative growth for enhancing the yield of sweet Potato (Ipomoea batatas L.) – A Study of trailing and pruning in three genotypes. 19 (1): 42-55 DOI: https://doi.org/10.4038/agrieast.v19i1.141

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L., 2024. Effect of Paddy Straw, Paddy Husk, and Cinnamon Residue as mulching in Turmeric (Curcuma longa L.) Cultivation in Low Country Wet Zone in Ultisols. AGRIEAST: Journal of Agricultural Sciences, 18(2), 30-42. DOI: https://doi.org/10.4038/agrieast

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L., 2024. Comparative Assessment of Inorganic and Water Hyacinth Integrated Compost-Based Top-Dressing on Growth and Yield Parameters in Turmeric (Curcuma longa L.). Journal of Agro-Technology and Rural Sciences, 4(1). 28-36. DOI: https://doi.org/10.4038/atrsj.v4i1.59

Zamha, M.B.F., Shyamalee, H.A.P.A. and Ranawake, A.L., 2024. Evaluation of morphological variations in fifteen traditional yard long bean (Vigna unguiculata L.) accessions in Sri Lanka under organic conditions. Journal of Tropical Agriculture Research and Extension, 27 (4), 261-274. DOI: https://doi.org/10.4038/tare.v27i4.5752

Ranawake, A.L., 2021. The underutilized resources in the lowland wet zone forests of Sri Lanka and untapped Indigenous knowledge of peripheral households. Journal of University of Ruhuna, ISSN 2659-2053, 9(2), pp.47-71. DOI: http:// dx.doi.org/10.4038/jur.v9i2.7997

Prabhashini, R.H.G.B., Ranawake, A.L. and Senanayake, S.G.J.N. 2018. Morphological diversity of sixteen Sri Lankan traditional rice accessions evaluated under greenhouse conditions. International Journal of Tropical Agriculture Research and Extension, ISSN 1391-3646 17, 21(3&4): 69-77

Dahanayake, N., Ranawake, A.L. and Senadhipathy, D.D. 2014. Effects of water stress on the growth and reproduction of black gram (Vigna mungo L.), International Journal of Tropical Agriculture Research and Extension, ISSN 1391-3646, 17(1): 45-48

Ranawake A. L., Amarasingha, U.G.S., Dahanayake, N. 2013. Agronomic characters of some traditional rice cultivars in Sri Lanka (Oryza sativa L.), Journal of University of Ruhuna, ISSN 2345-9387:1(1): 3-9

Ranawake A.L., Nakamura, C. 2012. QTL analysis of dehydration tolerance at seedling stage in rice (Oryza sativa L.) Tropical Agriculture Research and Extension, ISSN 1391-3646, 15(4): 98-104, DOI: 10.4038/tare.v15i4.5259

Ranawake A.L., Nakamura, C. 2012. Assessment of salinity tolerance in inbred population of rice (Oryza sativa L) derived from Japonica and x Indica cross, Tropical Agriculture Research and Extension, ISSN 1391-3646, 15(3): 6-12, DOI: http://dx.doi.org/10.4038/tare.v15i3.5250

Dahanayake N., Madurangi S.A.P., Ranawake A.L. 2012. Effect of potting mixture on growth and yield of Chilli varieties (Capsicum spp.) and microbial activity, Tropical Agriculture Research and Extension, Sri Lanka: ISSN 1391-3646:15(3)

Ranawake A.L., Nakamura, C. 2011. Development of a method for testing dehydration tolerance in rice (Oryza sativa L.) and its application to a recombinant inbred line population, Tropical Agriculture Research and Extension, ISSN 1391-3646:14 (3):76 – 83

Ranawake A.L., Nakamura, C. 2011. Cold tolerance of an inbred line population of rice (Oryza sativa L.), Tropical Agriculture Research and Extension, ISSN 1391-3646, 14(2): 25-33

Ranawake A.L., Nakamura, C. 2011. Expression analysis of some cold-responsive ESTs in seedling-stage cold-tolerant QTL in rice (Oryza sativa L.), Tropical Agriculture Research and Extension, ISSN 1391-3646:16:(1)

Ranawake A.L., Amarasingha, U.G.S., Rodrigo, W.G.R.J., Rodrigo, U.T.D., Dahanayaka N. 2011. Effect of water stress on growth and yield of Mung bean (Vigna radiata L.), Tropical Agriculture Research and Extension, ISSN 1391-3646: 76-79

Dahanayake, N., Ranawake A.L., Senadhipathy D.D., Pushpakumari H.W.L. 2011. Regeneration of Dragon fruit (Hylecereus updates) plantlets from leaf and stem explants, Tropical Agriculture Research and Extension, ISSN 1391-3646: 85-89

Dahanayake N., Ranawake A.L., 2011. Callus induction and plantlet regeneration ability of selected Sri Lankan traditional rice cultivars (Oryza sativa L.) in Caryopses culture, Tropical Agriculture Research and Extension, ISSN 1391-3646:15-18

Ranawake, A. L., Kobayashi, F., Mangkil, O.E, Takumi, S., Mori, N., and Nakamura, C. 2008. Comparative expression analysis of some stress-responsive genes in Indica and Japonica rice cultivars showing different levels of abiotic stress tolerance Rice Genetic Newsletters, 24:41-43

Conference Proceedings Full Papers

Total: 24

Jayaweera, W. M. C. S, Amarasinghe, S. R, Ranawake, A. L. 2025. Agronomic performance and yield potential of turmeric (Curcuma longa L.) under open field and greenhouse conditions. The 02nd International Conference on University-Industry Collaborations for Sustainable Development – (ICSD 2025). Pp:25. https://colomboconference.org/wp-content/uploads/2025/09/colombo-proceeding-.pdf

Jayaweera, W. M. C. S, Amarasinghe, S. R, Ranawake, A. L. 2025. Evaluating four different potting media mixtures for turmeric (Curcuma longa L.) nursery plant production. 6th International Conference on Sustainable Built Environment (ICSBE 2025)-Conference is from 12th-14th Dec 2025

Ranawake A.L., (2014), Morphological diversity of some selected Sri Lankan traditional rice accessions with similar cultivar names, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 87-90

Ranawake A.L., (2014), Technology usage of Faculty of Agriculture for the undergraduate program; A Case study, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 369-371

Ranawake A.L., (2014), Ayurveda samiekshawa, ඖෂධීය වටිනාකමක් ඇති පාරම්පරික වී ප්රoභේදවල රුපීය විවිධත්වය හා කේෂ්තර තත්ත්ව යටතේ ලබාදෙන අස්වැන්න Department of Ayurveda, Sri Lanka (eds.), ISSN 1391-4812, 101-105

Ranawake A.L. and Hewage M.J., (2014), Evaluation of Agro-Morphological Diversity of Some Traditional Rice Genotypes Using Principle Component Analysis and Cluster Analysis, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 81-85

Ranawake A.L., Dahanayake, N., (2013) Bringing medicinally important traditional rice accessions in to cultivation: Study on agronomic characters and yield potential, 2nd International symposium on minor fruits and medicinal plants, University of Ruhuna, Sri Lanka 57

Dahanayake, N., Alawathugoda, C.J., Ranawake A.L., (2013), Induced seed germination of Veralu (Elaeocarpus serratus L.), 2nd International symposium on minor fruits and medicinal plants, University of Ruhuna, Sri Lanka 17

Hewage MJ, Ranawake AL, Dahanayake, N and Subasinghe, S (2013). Understanding Submergence Tolerance of Some Traditional Rice Cultivars at Vegetative Stage, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 484-488

Hewage MJ, Pradeepika NGJ and Ranawake, AL (2013). Field Performances of Some Sri Lankan Traditional Rice Cultivars at Reproductive Growth Phase, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 501-504

Amarasinghe UGS, Ranawake AL and Senanayake SGJN (2013). Fertiliser Response of Traditional Rice Cultivars with Different Maturity Durations, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 478-482

Pradeepika NGJ, Ranawake AL, Hewage MJ and Dahanayake, N (2013). Genetic Variation in Allelopathic Activity of Traditional Rice Cultivars on Echinocloa Crusgalli (Barnyard Grass), Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 493-496

Pradeepika N.G.J., Ranawake A.L., Wanniarachchi, S.D. (2013). Screening Some Traditional Rice Cultivars in Sri Lanka for Salinity Tolerance at the Seedling Stage in a Hydrophonic System, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 541-543

Ranawake A.L., Nakamura C., (2013) Contribution of OsDREB1A and OsDREB1B and their putative downstream genes OsAOX1a and OsAOX1b for abiotic stress tolerance in parental rice cultivars, International symposium, South Eastern University, Sri Lanka, 97-104

Alawathugoda CJ, Dahanayake Nilanthi and Ranawake AL (2013) Water stress on yield and some yield components of Sesame (Sesamum indicum L.). 03rd annual research symposium, Rajarata University of Sri Lanka 17- 18

Weragodvidina P.S.B., Benthota A.p., Ranawake A.L., Senanayake S.G.J.N, Variation of selected quantitative traits in F2 generation of Okara (Abelmoschus esculentus L. Moench), International Symposium on Agriculture and Environment (ISAE), 90-93

Alawathugoda C.J., Dahanayake Nilanthi and Ranawake A.L. (2012) Effects of water stress on plant growth and reproduction of Sunflower (Helianthus annum L.). International Symposium on Agriculture and Environment (ISAE), 157 - 159

Dahanayake Nilanthi and Ranawake A.L. Wanitunga U. (2012) Potential of alternative cheap gelling agents for the in vitro micro-propagation of Rice (Oryza sativa L.). International Symposium on Agriculture and Environment (ISAE), 312 - 314

Madhurangi S.A.P. Ranawake A.L. and Dahanayake N. (2012) Evaluation of drought tolerance in traditional rice cultivars in Sri Lanka at the seedling stage. International Symposium on Agriculture and Environment (ISAE), 325 - 327

Weragodavidana P.S.B, Ranawake A.L., Amarasingha U.G.S., and Dahanayake N. (2012) Screening some modern rice cultivars for submergence drought and salinity stress at the seedling stage. International Symposium on Agriculture and Environment (ISAE), 328 - 330

Ranawake A.L., Ishii T, Sharma PN, Mori N, Yoshida S, Nakamura, C. (2011) Low-temperature germinability QTL analysis in inbred line population derived from an Indica x Japonica cross rice (Oryza sativa L.), ICICCA, 59-69

Rodrigo UTD, Ranawake AL, Dahanayake N. (2011) Optimization of a hydroponic screening protocol for salinity tolerance in rice at the seedling stage, ICICCA, 134-137

Amarasingha, UGS, Ranawake A.L., Rodrigo WGRJ, Rodrigo, UTD, Arunashanthi PDU, Dahanayaka N, Wanitunga U, (2011) Effect of water stress on growth and reproduction of Mungbean, ICICCA, 138-142

Ranawake A.L., Tolerance to salinity and submergence in rice, 2014, Proceedings of the workshop on Utilization of Stress Tolerance of Rice to Meet the Emerging Challenges in Food Security in Tropical Asia, 33-42

Books / Book Chapters

Total: 7

Arun-Chinnappa, K.S., Ranawake, L. and Seneweera, S., 2017. Impacts and management of temperature and water stress in crop plants. Abiotic stress management for resilient agriculture, Springer Nature, 221-233.

Brabhaswara, 2013, cmdkfha iD;= y;rla , Winners article compilation of Inter-government servants’ art competition, Culture and Art ministry, Sri Lanka (eds.), ISBN 95591170706, Wijewardhana print bureau, Ragama 54-71.

mrßirh yd mrßir ffcj ;dlaIKh, ISBN: 978-955-1507-33-6: 125 pages,

mdrïmrsl ù m%fNao tl;=jl .;s ,laIK ms

05

Traditional rice cultivars in Sri Lanka, Yield potential and stress tolerance, ISBN 978-955-0263-02-8

06

Traditional rice genetic and morphological diversity, ISBN 978-955-1507-32-9

07

mdrïmrsl ù m%fNao" ?ùh yd cdkuh úúO;ajh, ISBN 978-955-1507-34-3

Abstract publications in conference proceedings

Total: 90

01

Ranawake, A. L., Safwa, M. F. Z., & Shyamalee, H. (2024). Genotypic Variation of Native Sweet Potato (Ipomoea batatas L.) Accessions Compared to Improved Varieties in Sri Lanka. Proceedings of International Forestry and Environment Symposium 28.

02

Shyamalee, H., & Ranawake, A. L. (2021). Submergence Tolerance and Survival Mode of Twenty-Six Traditional Rice Accessions at the Seedling Stage. Proceedings of the Annual Research Session, Faculty of Technology, Rajarata University of Sri Lanka.

03

Liyanage, N. M. N., Ranawake, A. L., & Bandaranayake, P. C. G. (2019). Morphological, Molecular and Biochemical Characterization of a Seedling Population from a Cross-Pollinated Mother Plant of Cinnamomum zeylanicum Blume (Cinnamon). Proceedings of the Annual Research Symposium, University of Peradeniya.

04

Tharmarajan, M., Wasala, S. K., & Ranawake, A. L. (2018). Genetic diversity analysis of traditional rice Suda Heenati (Oryza sativa L.) based on seed morphology and simple sequence repeat (SSR) markers. Proceedings of the Annual Research Session, Rajarata University of Sri Lanka.

05

Dahanayaka, N., Dissanayaka, D. M. P., Inoka, K. P. I., & Ranawake et al, A. L. (2014). Effect of different cytokinin (BAP and kinetin) on growth and yield performances of Sri Lankan traditional rice varieties (Oryza sativa L.) Suwadal and Kahatawee. Proceedings of Jaffna University International Research Conference.

06

Hewage, M. J., & Ranawake, A. L. (2014). Evaluation of agro-morphological diversity of some traditional rice genotypes using principal component analysis and cluster analysis [Conference poster].

07

Ranawake, A. L. (2014). Morphological diversity of some selected Sri Lankan traditional rice accessions with similar cultivar names [Conference poster].

08

Ranawake, A. L. (2014). Technology usage of Faculty of Agriculture for undergraduate program; a case study [Conference poster].

09

Alawathugoda, C. J., Dahanayake, N., & Ranawake, A. L. (2013). Water stress on yield components of sesame (Sesamum indicum L.). Proceedings of the Annual Research Session, Faculty of Agriculture, Rajarata University of Sri Lanka.

10

Madhurangi, A. L. R. S. A. P., & Dahanayake, N. (2012). Evaluation of level of drought tolerance in traditional rice cultivars in Sri Lanka at the seedling stage. International Symposium on Agriculture and Environment (ISAE), 325-327.

11

Madurangi, S. A. P., Ranawake, A. L., & Dahanayake, N. (2012). Evaluation of level of drought tolerance in traditional rice cultivars in Sri Lanka at the seedling stage [Conference poster].

12

Dahanayake, N., Ranawake, A. L., & Wanitunga, U. (2012). Potential of alternative cheap gelling agents for in vitro micro-propagation of rice (Oryza sativa L.) [Conference poster].

13

Ranawake, A. L., & Nakamura, C. (2012). QTL analysis of salinity tolerance at seedling stage in rice (Oryza sativa L.). Proceedings of the Annual Research Symposium, University of Jaffna.

14

Amarasingha, U. G. S., Ranawake, A. L., & Senanayake, S. (2012). Response of fertilizer of some Sri Lankan traditional rice cultivars during the vegetative phase. Proceedings of the Annual Research Symposium, University of Jaffna.

15

Weragodavidana, P. S. B., Ranawake, A. L., Amarasingha, U. G. S., & Dahanayake, N. (2012). Screening some modern rice cultivars for submergence, drought and salinity stress at seedling stage [Conference poster].

16

Ranawake, A. L., & Dahanayake, N. (2012). Understanding abiotic stress tolerant levels and mechanisms in some traditional rice cultivars in Sri Lanka. Proceedings of the 9th Academic Session, University of Ruhuna, 23.

17

Ranawake, A. L., Dahanayake, N., & Senadhipathi, D. D. (2010). Evaluation of level of submergence tolerance in traditional rice cultivars at post-germination stage. Proceedings of the 8th Academic Session, University of Ruhuna, 203.

18

Jayaweera, W. M. C. S, Amarasinghe, S. R, Ranawake, A. L. 2025. Agronomic performance and yield potential of turmeric (Curcuma longa L.) under open field and greenhouse conditions. The 02nd International Conference on University-Industry Collaborations for Sustainable Development – (ICSD 2025). Pp:25. https://colomboconference.org/wp-content/uploads/2025/09/colombo-proceeding-.pdf

19

Jayaweera, W. M. C. S, Amarasinghe, S. R, Ranawake, A. L. 2025. Evaluating four different potting media mixtures for turmeric (Curcuma longa L.) nursery plant production. 6th International Conference on Sustainable Built Environment (ICSBE 2025)-Conference is from 12th-14th Dec 2025

20

Ranawake A.L*., (2014), Morphological diversity of some selected Sri Lankan traditional rice accessions with similar cultivar names, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 87-90

21

Ranawake A.L*., (2014), Technology usage of Faculty of Agriculture for the undergraduate program; A Case study, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 369-371

22

Ranawake A.L.,* (2014), Ayurveda samiekshawa, ඖෂධීය වටිනාකමක් ඇති පාරම්පරික වී ප්රoභේදවල රුපීය විවිධත්වය හා කේෂ්තර තත්ත්ව යටතේ ලබාදෙන අස්වැන්න Department of Ayurveda, Sri Lanka (eds.), ISSN 1391-4812, 101-105.

23

Ranawake A.L*. and Hewage M.J., (2014), Evaluation of Agro-Morphological Diversity of Some Traditional Rice Genotypes Using Principle Component Analysis and Cluster Analysis, the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 81-85.

24

Ranawake A.L.*, Dahanayake, N., (2013) Bringing medicinally important traditional rice accessions in to cultivation: Study on agronomic characters and yield potential, 2nd International symposium on minor fruits and medicinal plants, University of Ruhuna, Sri Lanka 57

25

Dahanayake, N., Alawathugoda, C.J., Ranawake A.L., (2013), Induced seed germination of Veralu (Elaeocarpus serratus L.), 2nd International symposium on minor fruits and medicinal plants, University of Ruhuna, Sri Lanka 17

26

Hewage MJ, Ranawake AL, Dahanayake, N and Subasinghe, S (2013). Understanding Submergence Tolerance of Some Traditional Rice Cultivars at Vegetative Stage, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 484-488.

27

Hewage MJ, Pradeepika NGJ and Ranawake, AL (2013). Field Performances of Some Sri Lankan Traditional Rice Cultivars at Reproductive Growth Phase, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 501-504.

28

Amarasinghe UGS, Ranawake AL and Senanayake SGJN (2013). Fertiliser Response of Traditional Rice Cultivars with Different Maturity Durations, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 478-482.

29

Pradeepika NGJ, Ranawake AL, Hewage MJ and Dahanayake, N (2013). Genetic Variation in Allelopathic Activity of Traditional Rice Cultivars on Echinocloa Crusgalli (Barnyard Grass), Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 493-496.

30

Pradeepika N.G.J., Ranawake A.L., Wanniarachchi, S.D. (2013). Screening Some Traditional Rice Cultivars in Sri Lanka for Salinity Tolerance at the Seedling Stage in a Hydrophonic System, Proceedings of the International Symposium on Agriculture and Environment (ISAE), Faculty of Agriculture, University of Ruhuna, Sri Lanka, 541-543.

31

Ranawake A.L., Nakamura C., (2013) Contribution of OsDREB1A and OsDREB1B and their putative downstream genes OsAOX1a and OsAOX1b* for abiotic stress tolerance in parental rice cultivars, International symposium, South Eastern University, Sri Lanka, 97-104.

32

Alawathugoda CJ, Dahanayake Nilanthi and Ranawake AL (2013) Water stress on yield and some yield components of Sesame (Sesamum indicum L.). 03rd annual research symposium, Rajarata University of Sri Lanka 17- 18.

33

Weragodvidina P.S.B., Benthota A.p., Ranawake A.L., Senanayake S.G.J.N, Variation of selected quantitative traits in F2 generation of Okara (Abelmoschus esculentus L. Moench), International Symposium on Agriculture and Environment (ISAE), 90-93.

34

Alawathugoda C.J., Dahanayake Nilanthi and Ranawake A.L. (2012) Effects of water stress on plant growth and reproduction of Sunflower (Helianthus annum L.). International Symposium on Agriculture and Environment (ISAE), 157 - 159

35

Dahanayake Nilanthi and Ranawake A.L. Wanitunga U. (2012) Potential of alternative cheap gelling agents for the in vitro micro-propagation of Rice (Oryza sativa L.). International Symposium on Agriculture and Environment (ISAE), 312 - 314

36

Weragodavidana P.S.B, Ranawake A.L., Amarasingha U.G.S., and Dahanayake N. (2012) Screening some modern rice cultivars for submergence drought and salinity stress at the seedling stage. International Symposium on Agriculture and Environment (ISAE), 328 - 330

37

Ranawake A.L., Ishii T, Sharma PN, Mori N, Yoshida S, Nakamura, C. (2011) Low-temperature germinability QTL analysis in inbred line population derived from an Indica x Japonica cross rice (Oryza sativa* L.), ICICCA, 59-69

38

Rodrigo UTD, Ranawake AL, Dahanayake N. (2011) Optimization of a hydroponic screening protocol for salinity tolerance in rice at the seedling stage, ICICCA, 134-137

39

Amarasingha, UGS, Ranawake A.L., Rodrigo WGRJ, Rodrigo, UTD, Arunashanthi PDU, Dahanayaka N, Wanitunga U, (2011) Effect of water stress on growth and reproduction of Mungbean, ICICCA, 138-142

40

Ranawake A.L*., Tolerance to salinity and submergence in rice, 2014, Proceedings of the workshop on Utilization of Stress Tolerance of Rice to Meet the Emerging Challenges in Food Security in Tropical Asia, 33-42

41

Jayaweera WMCS, Amarasinghe SR, and Ranawake AL. 2025, Chemical properties and nutrient dynamics of different potting media before and after raising turmeric nursery plants. In Proceedings of International Conference on Agriculture and Plantation Management, Wayamba University, Sri Lanka

42

W.M.C.S. Jayaweera, S.R. Amarasinghe, and A.L. Ranawake. 2024, Examining physicochemical properties of compost derived from water hyacinth (Eichhornia crassipes L.) mixing with cattle manure and saw dust, Proceedings of the International Symposium on Agriculture and Environment (ISAE)*, Faculty of Agriculture, University of Ruhuna, Sri Lanka, 46.

43

Zamha, M.B.F., Shyamalee, H.A.P.A. and Ranawake, A.L., 2023. Evaluation of morphological variations in randomly selected fifteen traditional yard-long bean (Vigna Unguiculata L.) accessions. Proceedings of the International Symposium on Agriculture and Environment (ISAE), pp55

44

Shyamalee, H.A.P.A. and Ranawake, A.L., 2022. Submergence tolerance of some Heenati-type traditional rice accessions and modern rice varieties at the seedling stage, Proceedings of the International Symposium on Agriculture and Environment (ISAE), University of Ruhuna, p 35

45

Jayaweera, W.M.C.S., Ranawake, A.L. and Amarasinghe, S.R., 2022. Comparison of paddy straw and paddy husk as mulching materials in Turmeric (Curcuma longa L.). Proceedings of the International Symposium on Agriculture and Environment (ISAE), University of Ruhuna, pp

46

Jayaweera, W.M.C.S., Amarasinghe, S.R. and Ranawake, A.L., 2022, Evaluation of Phytotoxic Effect of Compost Mixtures Derived from Water Hyacinth (Eichhornia crassipes L.) Using Relative Seed Germination Percentage, 19th Academic sessions, University of Ruhuna pp

47

Shyamalee H.A.P.A. and Ranawake A.L., 2021, Screening traditional rice accessions for salinity tolerance at the seedling stage in a hydroponic solution, Proceedings of the International Symposium on Agriculture and Environment (ISAE), University of Ruhuna, Sri Lanka

48

Nishani, Y.A.R., Shamali, H.A.P.A., Gamage, D.M. and Ranawake, A.L.,

49

Morphological Diversity in Twenty Capsicum Chinense Accessions. Proceedings of the International Symposium on Agriculture and Environment (ISAE)*, University of Ruhuna, Sri Lanka

50

Karunamuni, V.V., Ranawake A.L., Senanayake S.G.J.N., 2013, Diversity analysis of selected traditional rice accessions with the same name, In proceedings of academic sessions, University of Ruhuna, pp 80

51

Ranawake A.L., Amarasinghe, U.G.S., Effect of days to flowering on plant height and yield in rice, Academic sessions 2013, 81p Full paper published

52

N. Dahanayake, C.J. Alawathugoda, A.L. Ranawake, and S. Kumarasinghe (2013). Effect of Mycorrhizae on Drought Tolerance and Yield of Soybean (Glycine max L). 11th Academic session, University of Ruhuna

53

Amarasighe U.G.S., Ranawake A.L., 2014, Determination of yield and yield components of traditional rice cultivars of Sri Lanka in Yala and Maha seasons, 11th Academic session, University of Ruhuna.

54

Hewage M.J., Pradeepika N.G.S., Ranawake A.L., Understanding phenotypic diversity of some traditional rice cultivars, Academic sessions 2013, 135p

55

Pradeepika, NGJ, Ranawake AL, Wanniarachchi, SD, Screening traditional rice cultivars for salinity tolerance at the vegetative stage, Academic sessions 2013, p.136

56

Pradeepika, NGJ, Ranawake AL, Wanniarachchi, SD, 2013, Evaluation of some traditional rice cultivars for salinity tolerance in a Yoshida solution, RISTCON, 108p

57

Ranawake AL, Amarasinghe UGS, Hewage MJ, Pradeepika NGJ, 2013 Effect of plant height on yield of traditional rice cultivars, RISTCON, 110p

58

Hewage MJ, Ranawake AL, Subasinghe S, 2013 Complete Submergence tolerance of some traditional rice cultivars at the seedling stage, RISTCON 2013, 111p

59

Hewage M.J., Ranawake A.L., Subasinghe S., Assessment of submergence tolerance of traditional rice cultivars at post-germination stage, SLAAS, 2013, 226p

60

Dahanayake N., Kumarasinghe S., Alawathugoda C.J. Ranawake A.L. 2013 Mycorrhizal inoculation enhances the growth and development of rice (Oryza sativa L.). SLAAS annual session, 220p

61

Manel W.L.O., Amarasinghe U.G.S., Ranawake A.L., Senanayake SGJN, 2013, Assessment of the level of submergence tolerance in some traditional rice cultivars at post-germination stage, 10th Academic Sessions, the University of Ruhuna 42p

62

Ranawake A.L., Amarasinghe U.G.S, Dahanayake N, 2013, Preliminary observations on the allelopathic effect of some traditional rice cultivars on weed density under field condition and germination of Barnyard grass (Echinochloa crusgalli L) 10th Academic Sessions, University of Ruhuna 77p

63

Ranawake A.L., Mori N., (2013) Genetic basis of some traditional rice cultivars of Sri Lanka, 10th Academic Sessions, University of Ruhuna, 65p

64

Rodrigo WDRJ, Dahanayake N., Ranawake AL, (2013) Study on seed germination potential on Cardamom (Elettaria cardamomum L. Maton) under in vitro conditions 66p

65

Amarasinghe U.G.S., Ranawake A.L., Senanayake S.G.J.N., (2013) Effect of different levels of inorganic fertilizer on filled grain percentage and harvest index of fifty Sri Lankan traditional rice cultivars,10th Academic Sessions,69-70p

66

Alawatugoda C.J., Dahanayake N., Ranawake A.L., 2013 Effect of water stress at different growth and development stages on morphology and yield of ground nuts (Arachis hypogea L.) 10th Academic Sessions, 76p

67

Manel W.L.O., Ranawake A.L., Senanayake S.G.J.N., (2013) Preliminary observations on the responses of some Sri Lankan traditional rice cultivars to submergence at the seedling stage, 10th Academic Sessions, University of Ruhuna 42-43p

68

Amarasinghe U.G.S., Ranawake A.L., Senanayake S.G.J.N., (2013) Effect of fertiliser on agronomic characters and yield in forty traditional rice cultivars in Sri Lanka, Science symposium, University of Ruhuna, Sri Lanka, p 30

69

Ranawake A.L. and Nakamura C. (2012) Analysis Q. T. L. of Salinity Tolerance at Seedling Stage in Rice (Oryza sativa L.) JUICE, p 21

70

Dahanayake, N., Ranawake A.L., and Wanitunga U. (2012) Callus Induction and Plantlet Regeneration Ability of Selected Sri Lankan Traditional Rice Cultivars (Oryza sativa L.) in Caryopses Culture JUICE, p 9

71

Amarasinghe U.G.S., Ranawake A.L., Senanayake S.G.J.N., (2012) Fertilizer response of some Sri Lankan traditional rice cultivars, JUICE 2012, p 5

72

Amarasighe U.G.S., Ranawake A.L., Dahanayaka N., (2012) Agronomic characters of some traditional rice cultivars in Sri Lanka, 9th Academic sessions, University of Ruhuna, 83p

73

Rodrigo U.T.G., Ranawake A.L., Senanayake S.G.J.N., (2012) Effect of some Agrochemicals on Salinity and Drought stress tolerance in rice (Oryza sativa L.), 9th Academic sessions, University of Ruhuna, 38p

74

Ranawake A.L., Nakamura C., (2012), Drought tolerant QTL analysis of rice (Oryza sativa L) at the seedling stage, 9th Academic session, University of Ruhuna.

75

Ranawake A. L., Amarasingha, U.G.S., Dahanayaka, N., (2011), Study on the submergence tolerance of some traditional rice cultivars in Sri Lanka under two different stress periods at the seedling stage, International symposium, University of Ruhuna pp28

76

Ranawake A. L., Nakamura C., (2011), *Agrobacterium-mediated transformation of Japonica rice cultivar Nipponbare by wheat stress tolerant gene WDREB2A International Symposium, University of Ruhuna pp 130

77

Ranawake A L, Dahanayaka N, Senadhipathy DD, Pushpakumari, HWL, Rodrigoo WGRJ, (2011), Trait distribution of some traditional rice cultivars, International symposium, University of Ruhuna p 143

78

Ranawake A. L., Dahanayake N., Rodrigo, U.T.D., (2011), Salinity tolerance in traditional rice cultivars, International symposium, University of Ruhuna p 136

79

Amarasigha U.G.S., Ranawake A.L., Senanayake S.G.J.N., (2011), Evaluation of some modern rice cultivars for submergence tolerance at seedling and vegetative stage p183

80

Ranawake, A. L., Nakamura C., (2010), Development of a reliable bioassay method for the evaluation of dehydration tolerance in different parental rice cultivars, International symposium, University of Ruhuna p 85

81

Ranawake, A L., Nakamura, C., (2010), Identification of reliable and efficient bioassay method for the evaluation of salinity tolerance in parental rice cultivars, International symposium, Faculty of Agriculture, University of Ruhuna 86 p

82

Madhurangi S.A.P., Dhanayake N., Ranawake A.L., Wanitunga, U., (2010), Effect of the potting mixture on growth and yield of two chilli (Capsicum spp.) varieties and their effect on microbial activity in soil, International symposium, University of Ruhuna 17 p

83

Ranawake, A. L., Dahanayake, N., Kumari, R. D. G., (2010), Assessment of submergence tolerance of some traditional and modern rice cultivars in Sri Lanka, 8th Academic sessions, University of Ruhuna p187

84

Ranawake, A. L., Nakamura C., (2010), Assessing level of cold tolerance in parental rice cultivars at different growth stages, 8th Academic sessions, University of Ruhuna p204

85

Dahanayake, N., Ranawake, A. L., Senadhipathy, D. D., Pushpakumari, H.W.L., (2010), Direct plantlet regeneration of Dragon fruit (Hylecereus undatus) from leaf and stem explants on tissue culture medium, 8th Academic sessions, University of Ruhuna p186,

86

Dharmawardhana HM, Abeysiriwardhana S., Senanayake S.G.J.N, Ranawake L. (2009) Inheritance of ultra-short plant type and associated characteristics in rice (Oryza sativa L.) Second International symposium, University of Ruhuna p 93

87

Ranawake, A. L. Mori, N., Aoki, N., Umemoto, T., Yoshida, S., Nakamura, C., (2002), QTL analysis of lower temperature tolerance in rice at the seedling stage, Breeding research, Volume, 6-2, 295 p

88

Ranawake, A.L., Pathirana R., Serasingha P.S.J.W., (2001), Development of suitable media for anther culture in rice (Oryza sativa L.) SLAAS, Sri Lanka p77

89

Pathirana, R., Ranawake, A.L., et.al. (2000), In vitro methods for germplasm enhancement of rice for stress tolerance, Combio New Zealand

90

Ranawake, A.L., Pathirana, R., Serasingha, P.S.J.W., (1999) Development of media for shoot proliferation of Oryza sativa L. (Rice), SLAAS, Sri Lanka 71 p