Showing 1 - 13 results of 13 for search 'D.M. De Costa', query time: 0.09s Refine Results
  1. 1
    Morphological and Pathogenic Variations of the Causal Organisms of Leaf Twister Disease of Red Onion (Allium cepa L.) in Jaffna District of Sri Lanka

    Morphological and Pathogenic Variations of the Causal Organisms of Leaf Twister Disease of Red Onion (Allium cepa L.) in Jaffna District of Sri Lanka by A. Vengadaramana, D.M. De Costa

    Published 2015-10-01
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  2. 2
    Isolation of bacteriophages and determination of their efficiency in controlling Ralstonia solanacearum causing bacterial wilt of tomato

    Isolation of bacteriophages and determination of their efficiency in controlling Ralstonia solanacearum causing bacterial wilt of tomato by M. D. Kalpage, D. M. De Costa

    Published 2015-11-01
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  3. 3
    Variation of field symptoms and molecular diversity of the virus isolates associated with chilli leaf curl complex in different agroecological regions of Sri Lanka

    Variation of field symptoms and molecular diversity of the virus isolates associated with chilli leaf curl complex in different agroecological regions of Sri Lanka by G. D. N. Menike, D. M. De Costa

    Published 2017-05-01
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  4. 4
    Molecular identification of <i>Fusarium</i> spp. from wilt-infected tomato and brinjal plants in selected regions of Sri Lanka and endophytic bacteria as a potential option for disease management

    Molecular identification of <i>Fusarium</i> spp. from wilt-infected tomato and brinjal plants in selected regions of Sri Lanka and endophytic bacteria as a potential option for dis... by W. A. P. G. Weeraratne, D. M. De Costa

    Published 2018-12-01
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  5. 5
    Effect of selected microenvironmental factors on colony growth and cross infectional ability of fungal pathogens causing root rot disease of jak (<em>Artocarpus heterophillus</em>)

    Effect of selected microenvironmental factors on colony growth and cross infectional ability of fungal pathogens causing root rot disease of jak (<em>Artocarpus heterophillus</em>) by M. Kuruppu, D. M. De Costa, T. H. P. S. Fernando

    Published 2019-11-01
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  6. 6
    Potential of pre-harvest application of Burkholderia spinosa for Biological control of epiphytic and pathogenic microorganisms on the phyllosphere of banana (Musa spp.)

    Potential of pre-harvest application of Burkholderia spinosa for Biological control of epiphytic and pathogenic microorganisms on the phyllosphere of banana (Musa spp.) by Y.M.U.K. Yapa Silva, D.M. De Costa

    Published 2015-11-01
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  7. 7
    Effects of changing rainfall and soil temperature on population density of <em>Pratylenchus loosi</em> in tea lands at different elevations

    Effects of changing rainfall and soil temperature on population density of <em>Pratylenchus loosi</em> in tea lands at different elevations by P. G. D. S. Amarasena, K. M. Mohotti, D. M. De Costa

    Published 2016-05-01
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  8. 8
    Identification of a set of up-regulated genes due to infection by Colletotrichum musae in a dessert banana cultivar, moderately- resistant to anthracnose

    Identification of a set of up-regulated genes due to infection by Colletotrichum musae in a dessert banana cultivar, moderately- resistant to anthracnose by U. M. Aruna Kumara, N. C. Y. Jayasundara, D. M. De Costa

    Published 2015-11-01
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  9. 9
    Variations of Incidence, Types of Virus Diseases and Insect Vector Populations of Tomato (Solanum lycopersicum L.), Grown in Different Agroecological Regions of Sri Lanka under Two Crop Management Systems

    Variations of Incidence, Types of Virus Diseases and Insect Vector Populations of Tomato (Solanum lycopersicum L.), Grown in Different Agroecological Regions of Sri Lanka under Two... by K. Prasannath, K.N.P. Dharmadasa, D.M. De Costa, K.S. Hemachandra

    Published 2015-10-01
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  10. 10
    Morphometric and molecular characterization of isolates of the root lesion nematode, <em>Pratylenchus loosi</em> infecting Tea in Sri Lanka

    Morphometric and molecular characterization of isolates of the root lesion nematode, <em>Pratylenchus loosi</em> infecting Tea in Sri Lanka by P. G. D. S. Amarasena, K. M. Mohotti, D. M. De Costa, J. Fosu-Nyarko

    Published 2020-01-01
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  11. 11
    Potential of rhizobacterial <i>Pseudomonas and Bacillus</i> spp. to manage papaya ringspot virus disease of papaya (<i>Carica papaya</i> (L.)

    Potential of rhizobacterial <i>Pseudomonas and Bacillus</i> spp. to manage papaya ringspot virus disease of papaya (<i>Carica papaya</i> (L.) by C. Ranasinghe, D. M. De Costa, B. M. V. S. Basnayake, D. M. Gunasekera, S. Priyadharshani, N. V. R. Navagamuwa

    Published 2018-12-01
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  12. 12
    Evaluation of a climate change-adaptive, eco-friendly agronomic package for potato (<em>Solanum tuberosum</em> L.) cultivation in the farmer fields of the Jaffna district of Sri Lanka

    Evaluation of a climate change-adaptive, eco-friendly agronomic package for potato (<em>Solanum tuberosum</em> L.) cultivation in the farmer fields of the Jaffna district of Sri La... by R. Eeswaran, W. A. J. M. De Costa, D. M. De Costa, W. S. Dandeniya, S. Sivakumar, L. D. B. Suriyagoda

    Published 2016-07-01
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  13. 13
    Response of potato (Solanum tuberosum L.) to increasing growing season temperature under different Soil management and crop protection regimes in the upcountry of Sri Lanka

    Response of potato (Solanum tuberosum L.) to increasing growing season temperature under different Soil management and crop protection regimes in the upcountry of Sri Lanka by K.M.R.D. Abhayapala, W.A.J.M. De Costa, R.M. Fonseka, K. Prasannath, D.M. De Costa, L.D.B. Suriyagoda, P.D. Abeythilakeratne, M.M. Nugaliyadde

    Published 2015-11-01
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