Prof. Dr. Shyama Ranjani Weerakoon

Professor
Open University of Sri Lanka, Sri Lanka

Highest Degree
Ph.D. in Plant Breeding and Genetics from University of Western Australia, Australia

My URL
https://livedna.org/94.19951

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Area of Interest:

Plant and Soil Sciences
Plant Reproductive
Tropical Agriculture
Medicinal Plants
Plant Breeding

Selected Publications

  1. Munasinghe, S.P., S. Somaratne and S.R. Weerakoon, 2017. Screening of sri lankan rice (Oryza sativa l.) landraces for drought tolerance. Trop. Agric. Res., 28: 183-191.
    CrossRef  |  

  2. Ekanayake, E.M.S.I., S.R. Weerakoon, S. Somaratne and O.V.D.S.J. Weerasena, 2017. Developing herbicide resistant Sri-lankan rice (Oryza sativa L.) varieties: An application of Self Organizing Map. J. Inf. Process. Agric., 4: 140-149.
    CrossRef  |  Direct Link  |  

  3. Weerakoon, S.R., S. Somaratne, P.K.D. Peiris and O.V.D.S.J. Weerasena, 2016. The ecological provenance of phenotypic and genotypic variation in mustard [Brassica juncea (L.) Czern. Coss.] accessions in Sri Lanka. Acta Hortic., 1127: 503-504.
    CrossRef  |  Direct Link  |  

  4. Weerakoon, S.R. and S. Somaratne, 2016. Impacts of recent and anticipated changes in atmospheric CO2 concentrations on growth performance of Weedy Rice (Oryza sativa f. Spontanea) bio-types in Sri Lanka. Int. J. Current Res., 8: 43371-43376.

  5. Karunaratne, K.D.K., S.R. Weerakoon, S. Somaratne and O.V.D.S.J. Weerasena, 2016. Distribution patterns and genetic relationships of weedy rice (Oryza sativa f. spontanea) populations in different climatic zones in Sri Lanka. Int. J. Current Res., 8: 42777-42783.
    Direct Link  |  

  6. Ekanayaka, E.M.S.I., S.R. Weerakoon, T.D. Silva and S. Somaratne, 2016. Induction of Herbicide resistance via seed-derived rice (Oryza sativa) calli. IRA-Int. J. Appl. Sci., 3: 448-458.
    CrossRef  |  

  7. A.M. DonPaul, S.R. Weerakoon, S. Somaratne 2016. Antioxidant Properties of Leaf, Twig and Calli Extracts of Neolamarckia cadamba (Roxb.) Bosser in Sri Lanka Res. J. Med. Plants, 10: 314-319.
    CrossRef  |  

  8. Karunaratne, K.D.K., S.R. Weerakoon, S. Somaratne and O.V.D.S.J. Weerasena, 2015. Molecular and agro-morphological differences among traditional rice variety pachchaperumal and closely related weedy rice eco-types in sri lanka. Int. J. Trop. Agric., 33: 3315-3322.

  9. Weerakoon, S.R., 2014. Introducing herbicide resistant crops to sri lanka: A review. OUSL J., 7: 95-122.
    CrossRef  |  

  10. Somaratne, S., K.D.K. Karunarathna, S.R. Weerakoon and A.S.K. Abeysekera, 2014. Salient characters of weedy rice (oryza sativa f. spontanea) populations in highly infested areas in sri lanka. Ruhuna J. Sci., 5: 31-36.
    CrossRef  |  

  11. Weerakoon, S.R., S. Somaratne, R.G. Wijeratne and E.M. Ekanayaka, 2013. Natural herbicide resistance (hr) to broad-spectrum herbicide, glyphosate among traditional and inbred-cultivated rice (oryza sativa l.) varieties in sri lanka. Pak. J. Biol. Sci., 16: 796-803.
    PubMed  |  Direct Link  |  

  12. S.R. Weerakoon, S. Somaratne 2013. Agronomic Potential of Lupin (Lupinus spp.) in Sri Lanka as an Alternative Crop: Growth and Yield Performance in Different Agro-ecological Regions Asian J. Agric. Res., 7: 1-14.
    CrossRef  |  

  13. Abeysekera, A.S.K., S.R. Weerakoon, D.K. Karunaratne and D.E. Johnson, 2012. Morphological variation in offspring derived from single panicle of weedy rice. Ann. Sri Lanka Department Agric., 14: 1-9.

  14. Weerakoon, S.R., 2011. Producing inter-specific hybrids between brassica juncea (l.) czern & coss and b. Oleracea (l.) to synthesize trigenomic (abc) Brassica. J. Sci., Univ. Kelaniya, 6: 13-34.
    CrossRef  |  

  15. Weerakoon, S.R. and S. Somaratne, 2011. Seasonal variation of growth and yield performance of mustard (Brassica juncea (L.) Czern & Coss) genotypes in Sri Lanka. J. Agric. Sci., 6: 1-15.
    CrossRef  |  

  16. Iqbal, M.C.M., S.R. Weerakoon, H.D.N. Geethanjalie, P.K.D. Peiris and O.V.D.S.J. Weerasena, 2011. Changes in the fatty acids in seeds of interspecific hybrids between Brassica napus and Brassica juncea. J. Crop Pasture Sci., 62: 390-395.
    Direct Link  |  

  17. Weerakoon, S.R. and S. Somaratne, 2010. Agro-morphological characterization and relationships amoung mustard germplasm (Brassica juncea [L.] Czern & Coss) in Sri Lanka: A classification tree approach. J. Agric. Sci., 5: 89-97.
    CrossRef  |  Direct Link  |  

  18. Yan, G., M.N. Nelson, A. Pradhan, W. Cowling, S.R. Weerakoon,et al, 2009. Progress towards the creation of trigenomic Brassica hexaploid populations. SABRAO J. Breeding GEN., .
    Direct Link  |  

  19. Weerakoon, S.R. and S. Somaratne, 2009. Phytoextractive potential among mustard ( Brassica juncea ) genotypes in Sri Lanka. Cey. J. Sci. Bio. Sci., 38: 85-93.
    CrossRef  |  

  20. Iqbal, M.C.M., S.R. Weerakoon and P.K.D. Peiris, 2006. Variability of fatty acid composition in interspecific hybrids of mustard brassica juncea and brassica napus. Cey. J. Sci. Bio. Sci., 35: 17-23.

  21. Pathirana, P.S.K., S.R. Weerakoon and S. Somaratne, 2005. Prior learning experience and student performance in distance education : A cross sectional survey on B.Sc. students at Ousl. J. Hum., Soc. Sci. Educ., 3: 31-48.
    Direct Link  |  

  22. Dahanayake, S.R. and R.L.C. Wijesundera, 1994. Penicillium purpurogenum on fruits of Averrhoa bilimbi in Sri Lanka. J. Nat. Sci. Coun. Sri Lanka, 22: 23-24.
    Direct Link  |  
Member since October, 2017