Mr. Jeevan Dananjaya Kottawa-Arachchi
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Mr. Jeevan Dananjaya Kottawa-Arachchi

Research Officer
Tea Research Institute, Sri Lanka


Highest Degree
Ph.D. Student in Tea Science from Tea Research Institute, Sri Lanka

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Area of Interest:

Breeding
100%
Tea Science
62%
Agricultural Research
90%
Plantation Crops
75%
Forestry
55%

Research Publications in Numbers

Books
0
Chapters
1
Articles
22
Abstracts
9

Selected Publications

  1. Kottawa-Arachchi, J.D., M.A.B. Ranatunga, A.M.T. Amarakoon, M.T.K. Gunasekare and R.N. Attanayake et al., 2022. Variation of catechin and caffeine content in exotic collection of tea [Camellia sinensis (L.) O. Kuntze] in Sri Lanka and potential implication in breeding cultivars with enhanced quality and medicinal properties. Food Chem. Adv., Vol. 1. 10.1016/j.focha.2022.100108.
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  2. Kottawa-Arachchi, J.D., G. Thakur, A. Dwivedi, R. Tshering, H.M. Samimi, Y. Chaudhary and H.K. Chaudhary, 2022. Factors affecting avifaunal diversity in selected agro-ecosystems of Himachal Pradesh Agricultural University, Palampur, Himachal Pradesh, India. Zoodiversity, 56: 67-82.
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  3. Liyanaarachchi, G.V.V., K.R.R. Mahanama, H.P.P.S. Somasiri, P.A.N. Punyasiri, K.A.K. Wijesena and J.D. Kottawa-Arachchi, 2021. Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects. Cereal Res. Commun., 49: 441-448.
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  4. Liyanaarachchi, G., K. Mahanama, H. Somasiri, P. Punyasiri and J. Kottawa-Arachchi, 2020. Total and free amino acid contents of popular rice varieties (Oryza sativa L.) consumed in the capital city of Sri Lanka. J. Nat. Sci. Found. Sri Lanka, 48: 199-211.
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  5. Kottawa-Arachchi, J.D., M.G.S. Liyanage, H.K.B.M.I. Karunarathne, N.H.A.S. Abeyweera, B.Y.M. Kulasinghe and K.R.S.C.B. Kahawandala, 2020. The endangered daffodil orchid Ipsea speciosa (orchidaceae): Population status in unprotected areas in the Central Highlands, Sri Lanka. Lankesteriana, 20: 79-90.
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  6. Kottawa-Arachchi, J.D. and R.S. Gunasekara, 2020. Research priorities and future directions in conservation of wild orchids in Sri Lanka: a review. Nat. Conserv. Res., 5: 34-45.
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  7. GVV, L., M. KRR, S. HPPS, P. PAN and K.A. JD, 2020. Analysis of total amino acids in rice using a validated reversed-phase high performance liquid chromatographic method with diode array detection (RP-HPLC-DAD). Int. J. Anal. Bioanal. Methods, Vol. 2. 10.35840/2633-8912/2408.
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  8. Kottawa-Arachchi, J.D., M.T.K. Gunasekare and M.A.B. Ranatunga, 2019. Biochemical diversity of global tea [Camellia sinensis (L.) O. Kuntze] germplasm and its exploitation: A review. Genet. Resour. Crop Evol., 66: 259-273.
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  9. Kottawa-Arachchi, J.D., M.A.B. Ranatunga and K.K. Ranaweera, 2019. Recent progress of intra-specific hybridization of tea (Camellia sinensis, (L.) O. Kuntze) in Sri Lanka. Sri Lanka J. Food Agric., 5: 19-26.
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  10. Ranatunga, M.A.B., J.D.K. Arachchi, K. Gunasekare and D. Yakandawala, 2017. Floral diversity and genetic structure of tea germplasm of Sri Lanka. Int. J. Biodivers., 2017: 1-11.
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  11. Punyasiri, P.A.N., B. Jeganathan, J.D. Kottawa-Arachchi, M.A.B. Ranatunga, I.S.B. Abeysinghe, M.T.K. Gunasekare and B.M.R. Bandara, 2017. Genotypic variation in biochemical compounds of the Sri Lankan tea (Camellia sinensis L.) accessions and their relationships to quality and biotic stresses. J. Hortic. Sci. Biotechnol., 92: 502-512.
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  12. Kottawa-Arachchi, J.D., 2017. Biodiversity in Central Highland Wetlands. In: A World Heritage Site in Sri Lanka. Prusty, B., R. Chandra and P. Azeez, (Ed.), Springer, India New Delhi pp: 67.
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  13. Kottawa-Arachchi, J.D. and M.A. Wijeratne, 2017. Climate change impacts on biodiversity and ecosystems in Sri Lanka: A review. Nat. Cons. Res., 2: 2-22.
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  14. Jeganathan, B., P.A.N. Punyasiri, J.D. Kottawa-Arachchi, M.A.B. Ranatunga, I.S.B. Abeysinghe, M.T.K. Gunasekare and B.M.R. Bandara, 2016. Genetic variation of flavonols quercetin, myricetin and kaempferol in the sri lankan tea (Camellia sinensis L.) and their health-promoting aspects. Int. J. Food Sci., 2016: 1-9.
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  15. Punyasiri, P.A., B. Jeganathan, J.D. Kottawa-Arachchi, M.A. Ranatunga, I.S.B. Abeysinghe, M.T. Gunasekare and B.M. Bandara, 2015. New sample preparation method for quantification of phenolic compounds of tea (Camellia sinensis L. Kuntze): A polyphenol rich plant. J. Anal. Meth. Chem., Vol. 2015 10.1155/2015/964341.
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  16. Kottawa-Arachchi, J.D. and R.N. Gamage, 2015. Avifaunal diversity and bird community responses to man-made habitats in St. Coombs Tea Estate, Sri Lanka. J. Threatened Taxa, 7: 6878-6890.
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  17. Kottawa-Arachchi J.D., R.N. Gamage and G.G. Jayathilake, 2015. Vertebrate Diversity and Conservation Aspects in Manmade Habitats in Mattakelle Tea Estate, Sri Lanka. WildLanka, 3: 148-162.
  18. Kottawa-Arachchi J.D. and R.N. Gamage, 2015. Herpetofaunal Richness in Lippakelle Tea Estate, Sri Lanka. Taprobanica, 7: 268-271.
  19. Kottawa-Arachchi, J.D., M.T.K. Gunasekare, M.A.B. Ranatunga, P.A.N. Punyasiri, L. Jayasinghe and R.P. Karunagoda, 2014. Biochemical characteristics of tea (Camellia sinensis L.) germplasm accessions in Sri Lanka: Correlation between black tea quality parameters and organoleptic evaluation. Int. J. Tea Sci., 10: 3-13.
  20. 4. Neranjana T.B.K.H., M.A.B. Ranatunga, J.D. Kottawa- Arachchi and K.K. Ranaweera 2014. Correlation and Path Coefficient Analysis of Yield and Yield Related Traits in Tea: Implications on cultivar selection. Sri Lanka J. Tea Sci., 79: 1-11.
  21. Kottawa-Arachchi, J.D., M.T.K. Gunasekare, M.A.B. Ranatunga, P.A.N. Punyasiri and L. Jayasinghe, 2013. Use of green leaf biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka. J. Nat. Sci. Found. Sri Lanka, 41: 309-318.
  22. Kottawa-Arachchi, J.D., M.T.K. Gunasekare, M.A.B. Ranatunga, L. Jayasinghe and R.P. Karunagoda, 2012. Analysis of some biochemical constituents in black tea for predicting the quality in tea cultivars in Sri Lanka. Trop. Agric. Res., 23: 30-41.
  23. Gunasekare, M.T.K., M.A.B. Ranatunga, J.H.N. Piyasundara and J.D. Kottawa-Arachchi, 2012. Tea genetic resources in Sri Lanka: Collection, conservation and appraisal. Int. J. Tea Sci., 8: 51-60.
  24. Ariyarathna, H.A.C.K., M.T.K. Gunasekare, J.D. Kottawa-Arachchige, R. Paskarathevan, K.K. Ranaweera, M. Ratnayake and J.B.D.A.P. Kumara, 2011. Morpho-physiological and phenological attributes of reproductive biology of tea [Camellia sinensis (L.) O. Kuntze] in Sri Lanka. Euphytica, 181: 203-215.
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  25. Ariyarathna, H.A.C.K., J.D. Kottawa-Arachchi, R. Paskarathevan, Y.G.S.C. Bandara and M.T.K. Gunasekare, 2010. Genetic analysis of cultivar response to dry weather induced stress conditions in tea [Camellia sinensis (L.) O. Kuntze]. Sri Lanka J. Tea Sci., 75: 17-26.
  26. Walagama, R.S., M.T.K. Gunasekare, M.M. Jayathilake, J.D. Kottawa-Arachchi and D.D. Liyanage, 2008. Evaluation of tea (Camellia sinensis L.) germplasm for host-plant resistance to shot-hole borer, Xyleborus fornicates eich. (Coleoptera: Scolytidae). Sri Lanka J. Tea Sci., 73: 29-38.
  27. Ariyarathna, H.A.C.K., J.D. Kottawa-Arachchi and M.T.K. Gunasekare, 2007. Floral biology and breeding system in tea [Camellia sinensis (L.) O. Kuntze] in Sri Lanka: Implications to tea breeding programme. Sri Lanka J. Tea Sci., 72: 31-43.