Ph.D. - Hiroshima University, Japan
M.Sc. - University of Reading, United Kingdom
B.Sc. (Agriculture)- University of Peradeniya, Sri Lanka
Appointments
Aruna Kumara, U.M. and De Costa, Devika M. (2023). Exogenous application of a Burkholderia sp. and jasmonic acid at the postharvest stage for management of anthracnose in dessert banana (Musa acuminata). Journal of Phytopathology, https://doi.org/10.1111/jph.
Tharangani, H.D.A., De Costa, D.M., Jayasinghe, G.G. and Ananda, E.H.M. (2023). Determining fungal profiles associated at different stages of disease development and confirmation of pathogenicity for deducing etiology of Rough Bark Disease of Cinnamon. Journal of Phytopathology. 171( 4-5), 189-205. https://doi.org/10.1111/jph.
Sumedha Thushari, A.N.W. and De Costa, D.M. (2023). Molecular and Genetic Variability of Sporisorium scitamineum (Sugarcane Smut Pathogen) in Sugarcane Plantations in Sri Lanka. Sugar Tech https://doi.org/10.1007/
De Costa, D.M., De Costa, J.M., Weerathunga, M.T., Prasannath, K. and Bulathsinhalage, V.N., (2021) Assessment of management practices, awareness on safe use of pesticides and perception on integrated management of pests and diseases of chilli and tomato grown by small?scale farmers in selected districts of Sri Lanka. Pest Management Science. 77, 5001-5021. https://doi.org/10.1002/ps.6542
-Sumedha Thushari, A.N.W., Wijesuriya, A., Wijesuriya, B.W., Perera, A.M.M. and De Costa, D.M. (2021) Identification of Sugarcane Germplasm in Sri Lanka for Breeding of Varieties Resistant to Smut Disease (c.a. Sporisorium scitamineum). Sugar Tech 23, 1025–1036. https://doi.org/10.1007/s12355-021-00986-4
-Jeyaseelan, T.C., De Costa, D.M. and Shaw, M.W. (2021) Two different begomovirus species are associated with yellow vein mosaic disease of okra in Sri Lanka. Molecular Biology Reports . https://doi.org/10.1007/s11033-021-06213-3
-Jeyaseelan, T.C., Jeyaseelan, E.C., De Costa, D.M. and Shaw, M. W. (2020), Detection and absolute quantification of betasatellites associated with okra yellow vein mosaic disease by qPCR, Journal of Virological Methods. 276: https://doi.org/10.1016/j.jviromet.2019.113789
-Prasannath, K., Dharmadasa, N., Menike, N. and De Costa, D.M. (2020) Evaluation of the effects of an eco-friendly crop protection system on management of whitefly-vectored chilli leaf curl virus disease in Sri Lanka. Phytoparasitica , 48, 117-129. doi:10.1007/s12600-019-00773-8
Journals in peer-reviewed non-indexed journals
-Wijekoon, W.M.S.U.K., Nishantha, K.M.D.W.P. and De Costa, D.M., (2021). Comparison of DNA Extraction Protocols for Molecular Identification of Root Knot Nematode (Meloidogyne Spp.) Using Egg Masses. Tropical Agricultural Research, 32(3), pp.318–324. DOI: http://doi.org/10.4038/tar.v32i3.8495
-Kalpani, W.M.P., De Costa, D.M. and Haputhantri, T.R., (2021). Pre-Harvest Finger Rot of Cavendish Banana (Musa acuminata) Reported from Moneragala and Badulla Districts, Sri Lanka: Identification and Confirmation of Pathogenicity of the Causal Agent. Tropical Agricultural Research, 32(1), pp.27–38. DOI: http://doi.org/10.4038/tar.v32i1.8439
-Ranasinghe, C. and De Costa, D.M., (2020). Field Performance of Mixtures of Pseudomonas and Bacillus spp. in Managing Papaya Ringspot Virus Disease and their Effect on Plant Defense Enzyme Activity. Tropical Agricultural Research, 31(2), pp.75–85. DOI: http://doi.org/10.4038/tar.v31i2.8369
-Amarasena, P.G.D.S., Mohotti, K.M., De Costa, D.M. and Fosu-Nyarko, J., (2020). Morphometric and molecular characterization of isolates of the root lesion nematode, Pratylenchus loosi infecting Tea in Sri Lanka. Tropical Agricultural Research, 31(1), pp.57–71. DOI: http://doi.org/10.4038/tar.v31i1.8344
-Bulathsinhalage, V.N.D., De Costa, D.M. and Menike, G.D.N., (2020). Determination of Desirable Attributes of an Indigenous Burkholderia Isolate Towards Biological Control of Plant Pathogenic Fungi and Its Microbial Enzyme Production. Journal of Agricultural Sciences – Sri Lanka, 15(1), pp.63–74. DOI: http://doi.org/10.4038/jas.v15i1.8672
BOOK CHAPTERS, BOOKS & MONOGRAPHS
CONFERENCE PROCEEDINGS
Other Credentials