Tropical Agricultural Research
Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/11652
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Item Field Performance of Mixtures of Pseudomonas and Bacillus spp. in Managing Papaya Ringspot Virus Disease and their Effect on Plant Defense Enzyme Activity(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020) Ranasinghe, C.; De Costa, D.M.Item Morphometric and molecular characterization of isolates of the root lesion nematode, pratylenchus loosi infecting tea in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020-01) Amarasena, P.G.D.S.; Mohotti, K.M.; De Costa, D.M.; Fosu-Nyarko, J.Item Molecular Identification of Fusarium spp. from Wilt-infected Tomato and Brinjal Plants in Selected Regions of Sri Lanka and Endophytic Bacteria as a Potential Option for Disease Management(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2018-12) Weeraratne, W.A.P.G.; De Costa, D.M.Item Potential of rhizobacterial pseudomonas and bacillus spp. to manage papaya ringspot virus disease of papaya (Carica papaya (L.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2018) Ranasinghe, C.; De Costa, D.M.; Basnayake, B.M.V.S.; Gunasekera, D.M.; Priyadharshani, S.; Navagamuwa, N.V.R.Item Variation of field symptoms and molecular diversity of the virus isolates associated with chilli leaf curl complex in different agroecological regions of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2017) Menike, G.D.N.; De Costa, D.M.Item Effects of changing rainfall and soil temperature on population density of pratylenchus loosi in tea lands at different elevations(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2016) Amarasena, P.G.D.S.; Mohotti, K.M.; De Costa, D.M.Item Evaluation of a climate change-adaptive, eco-friendly agronomic package for potato (solanum tuberosum l.) cultivation in the farmer fields of the Jaffna district of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Eeswaran, R.; De Costa, W.A.J.M.; De Costa, D.M.; Dandeniya, W.S.; Sivakumar, S.; Suriyagoda, L.D.B.Item An efficient protocol for isolation of functional rna from peel tissue of different banana (musa spp.) cultivars for gene expression studies on anthracnose development(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Kumara, U.M.A.; De Costa, D.M.Item Isolation of bacteriophages and determination of their efficiency in controlling ralstonia solanacearum causing bacterial wilt of tomato(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2014) Kalpage, M.D.; De Costa, D.M.Item Potential of pre-harvest application of burkholderia spinosa for biological control of epiphytic and pathogenic microorganisms on the phyllosphere of banana (musa spp.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2014) Silva, Y.M.U.K.Y.; De Costa, D.M.