Debnath, Samir, Ph.D., P.Ag.

Research Scientist, biotechnology, propagation and breeding


Contact Information:

308 Brookfield Road, BLDG 25
St. John, Newfoundland and Labrador A1E 0B2
Telephone: 709-772-4788
Fax: 709-772-6064
Email: samir.debnath@agr.gc.ca

Areas of Expertise:

  • Small fruits
  • Medicinal plants
  • Plant propagation
  • In vitro culture
  • In vitro selection
  • Breeding
  • Germplasm
  • Molecular diversity
  • Cultivar development
  • Genetic fingerprinting
  • Marker-assisted selection
  • Antioxidant activity

Current Projects:

  • Crop Production and protection in developing a cool climate berry crop production system
  • Developing high quality strawberry varieties that will enhance the economic viability of growers and health of Canadians
  • Development of improved raspberry cultivars with enhanced disease and pest resistance, higher nutraceutical/nutritional benefits and better market appeal and fruit quality
  • Establishing a cellular and animal model platform for studying the molecular basis for health benefits of agri-food products (AFP)
  • High value berry crop development project: field evaluation (Vaccinium spp.)
  • Raspberry development project: field evaluation under organic farming condition
  • High value berry crop development project: field evaluation of micropropagated strawberries

Affiliations:

  • Adjunct Professor of Biology, Memorial University of Newfoundland
  • President, Canadian Society for Horticultural Science
  • Registrar, Newfoundland and Labrador Institute of Agrologists
  • Associate Editor, Canadian Journal of Plant Science
  • Associate Editor, Journal of Horticultural Science and Biotechnology
  • Country Representative: International Society for Horticultural Science
  • International Association for Plant Biotechnology

Research Publications:

The links below lead to abstracts with access to full text.

2014

2013

2012

2011

2010

2009

Other Science Related Publications:

2013

  • Debnath, S.C. (2013). "Berry and medicinal plant improvement using in vitro and molecular techniques combined with conventional techniques.", Biosyst EU 2013. 2nd meeting of the Federation of European Biological Systematic Societies, University of Vienna, Vienna, Austria, February 18-22, 2013. (Poster)
  • Debnath, S.C. (2013). "Berry and medicinal plant improvement using in vitro and molecular techniques combined with conventional techniques.", Newfoundland and Labrador Federation of Agriculture (NLFA) 2013 Annual General Meeting and Workshop, Hotel Gander, Gander, NL, Canada, January 23-24, 2013. (Poster)
  • Debnath, S.C. (2013). "Developing innovative technologies to accelerate industry transition from “wild” to cultivated cool climate berry crop production systems.", Knowledge and Technology Transfer presentation, St. John's, NL, Canada, August 01, 2013. (Presentation)
  • Debnath, S.C. (2013). "Germplasm characterization, propagation and maintenance of health-promoting wild berries and medicinal plant roseroot (Rhodiola rosea L.).", Keystone Symposia: The Gut Microbiome: The Effector/Regulatory Immune Network (B3), Taos, New Mexico, USA, February 10-15, 2013, Invited presentation. (Abstract)
  • Debnath, S.C. (2013). "Le formidable potentiel des petits fruits et des plantes médicinales.", Entomological Society of Canada 2012 Annual Meeting, Coast Edmonton Plaza Hotel, Edmonton, AB, Canada, November 3-7, 2012. (Poster)
  • Debnath, S.C. (2013). "Lingonberry: characterization and preserving an emerging bioresource for Canada.", Knowledge and Technology Transfer presentation, St. John's, NL, Canada, August 01, 2013. (Presentation)
  • Debnath, S.C. (2013). "Making blueberry plant that packs a healthy punch.", E3S Web of Conferences, August(12), pp. A3. (Newsletter)
  • Debnath, S.C. (2013). "Propagation of small fruits through tissue culture.", Entomological Society of Canada 2012 Annual Meeting, Coast Edmonton Plaza Hotel, Edmonton, AB, Canada, November 3-7, 2012. (Poster)
  • Debnath, S.C. (2013). "Propagation strategies and biotechnological advances in health promoting berry crops.", Biology Graduate Student Association Symposium, Memorial University of Newfoundland, St. John's, NL, Canada, February 15, 2013, Invited Speaker.
  • Debnath, S.C. (2013). "Propagation strategies and biotechnological advances in health promoting berry crops.", Biology Graduate Student Association Symposium, Memorial University of Newfoundland, St. John's, NL, Canada, March 15, 2013.
  • Debnath, S.C. (2013). Blueberry development program: evaluation and selection under field condition - Research Project (RBPI No. 2886) Annual Report 2012-2013, AAFC Science and Technology Branch. (Report)
  • Debnath, S.C. (2013). Crop production and protection in developing a cool climate berry crop production system - Research Project (RBPI No. 1252) Final Report 2009-2013., AAFC Science and Technology Branch. (Report)
  • Debnath, S.C. (2013). Raspberry development project: field evaluation under organic farming condition - Research Project (RBPI No. 1629) Final Report 2006-2013., AAFC Science and Technology Branch. (Report)
  • Goyali, J.C., Igamberdiev, A.U., and Debnath, S.C. (2013). "Changes in fruit morphology and its phytochemical properties of lowbush blueberry (Vaccinium angustifolium Ait.) during in vitro propagation.", Entomological Society of British Columbia, 2013 Annual Meeting, Pacific Forestry Centre, Victoria, B.C., Canada, November 1-2, 2013, Oral presentation. Abstract 37. (Abstract)
  • Goyali, J.C., Igamberdiev, A.U., and Debnath, S.C. (2013). "Does in vitro propagation influence antioxidant properties of lowbush blueberry (Vaccinium angustifolium Ait.)?", Entomological Society of America (ESA) 61st Annual Meeting, Austin Convention Center, Austin, TX, USA, November 10-13, 2013, Oral presentation.

2012

  • An, D., Bykova, N.V., and Debnath, S.C. (2012). "Identifying wild and cultivated cranberries and evaluating their relationships using morphology, and EST-PCR and ISSR markers.", Plant Canada 2012 (joint meeting of the Canadian Society of Agronomy (CSA), Canadian Society for Horticultural Science (CSHS), Certified Crop Advisors (CCA), North American Fruit Explorers (NAFEX)): Adapting Crops to Change, University of Saskatchewan, Saskatoon, SK, Canada, July 16-19, 2012, P1 Abstract Id 3764, pp. p.44.
  • Debnath, S.C. (2012). "Berry and medicinal plant improvement using in vitro and molecular techniques combined with conventional breeding.", Newfoundland and Labrador Symposium: Our Food, Our Future, Growing the Agriculture Industry in Newfoundland and Labrador, Corner Brook, NL, Canada, November 23, 2012, pp. 11-12.
  • Debnath, S.C. (2012). "Development of small fruits suitable for cultivation in cool climates.", 54th Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 11, 2012.
  • Debnath, S.C. (2012). "Genetic diversity and molecular analysis in berry crop improvement.", 54th Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 11, 2012. (Poster)
  • Debnath, S.C. (2012). "Molecular markers for genetic fidelity during in vitro propagation of berry crops.", Plant Canada 2012 (joint meeting of the Canadian Society of Agronomy (CSA), Canadian Society for Horticultural Science (CSHS), Certified Crop Advisors (CCA), North American Fruit Explorers (NAFEX)): Adapting Crops to Change, University of Saskatchewan, Saskatoon, SK, Canada, July 16-19, 2012, E2.2, ID.3822, pp. 42. (Abstract)
  • Debnath, S.C. (2012). "Molecular markers in biodiversity of Vaccinium and Rubus wild germplasm.", 10th International Symposium on Vaccinium and Other Superfruits, Maastricht, Limburg, The Netherlands, June 17-22, 2012. (Poster)
  • Debnath, S.C. (2012). "Propagation of small fruits through tissue culture.", 54th Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 11, 2012. (Poster)
  • Debnath, S.C. (2012). "Strategies to propagate Vaccinium nuclear stock and use of molecular markers for clonal fidelity.", 10th International Symposium on Vaccinium and Other Superfruits, Maastricht, Limburg, The Netherlands, June 17-22, 2012. (Poster)
  • Debnath, S.C., Kempler, C., Jamieson, A.R., and Khanizadeh, S. (2012). "Growth and development of raspberry as affected by in vitro and ex vitro propagation methods.", Plant Canada 2012 (joint meeting of the Canadian Society of Agronomy (CSA), Canadian Society for Horticultural Science (CSHS), Certified Crop Advisors (CCA), North American Fruit Explorers (NAFEX)): Adapting Crops to Change, University of Saskatchewan, Saskatoon, SK, Canada, July 16-19, 2012, E2.4 Abstract Id 3832, pp. 43. (Abstract)
  • Debnath, S.C., McKenzie, D.B., Dixon, P.L., and Bishop, G.A. (2012). "Cool climate berry crop production and protection in Newfoundland and Labrador.", Newfoundland and Labrador Symposium: Our Food, Our Future, Growing the Agriculture Industry in Newfoundland and Labrador, Corner Brook, NL, Canada, November 23, 2012, pp. 11-12.
  • Goyali, J.C., Igamberdiev, A.U., and Debnath, S.C. (2012). "Morphology, phenolic content and antioxidant capacity of lowbush blueberry (Vaccinium angustifolium Ait.) plants as affected by in vitro and ex vitro propagation methods.", Plant Canada 2012 (joint meeting of the Canadian Society of Agronomy (CSA), Canadian Society for Horticultural Science (CSHS), Certified Crop Advisors (CCA), North American Fruit Explorers (NAFEX)): Adapting Crops to Change, University of Saskatchewan, Saskatoon, SK, Canada, July 16-19, 2012, C1.2, ID.3760, pp. 26. (Abstract)
  • Vyas, P., Debnath, S.C., and Igamberdiev, A.U. (2012). "Metabolism of glutathione and ascorbate and its relation to antioxidant and morphological properties of lingonberry cultivars propagated in vitro and ex vitro.", 5th Annual Biology Graduate Students Symposium, Memorial University of Newfoundland, St. John's, NL, Canada, April 19, 2012.

2011

  • Burlakoti, R.R., Lynch, D., Halde, C., Beach, T., Dahal, S., and Debnath, S.C. (2011). "Organic Agriculture project in Nepal: an international twinning partnership program.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, Oral presentation.
  • Chandrasekara, N., Goyali, J.C., Vyas, P., Shah, J.K., Igamberdiev, A.U., and Debnath, S.C. (2011). "Phenolic contents and antioxidant properties of blueberry tea and fruit.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, CSHS-S1, pp. 206.
  • Debnath, S.C. (2011). "Berry and medicinal plant improvement using in vitro and molecular techniques combined with conventional breeding.", Newfoundland and Labrador Federation of Agriculture (NLFA) 2011 Annual General Meeting, Gander, NL, Canada, March 17-18, 2011. (Poster)
  • Debnath, S.C. (2011). "Berry crop improvement program at Atlantic Cool Climate Crop Research Centre.", Newfoundland and Labrador Federation of Agriculture (NLFA) Annual General Meeting, Gander, NL, Canada, March 17-18, 2011. (Presentation)
  • Debnath, S.C. (2011). "Berry improvement program at the Atlantic Cool Climate Crop Research Centre.", Annual General Meeting of the Newfoundland and Labrador Horticulture Producer Council, St. John's, NL, Canada, March 16-17, 2011. (Presentation)
  • Debnath, S.C. (2011). "Conventional Methods Combined with Biotechnology in Blueberry Improvement.", published by Agriculture and Agri-Food Canada (AAFC)/Agriculture et Agroalimentaire Canada (AAC), 2 pages. (Factsheet)
  • Debnath, S.C. (2011). "Development of small fruits suitable for cultivation in cool climates.", 53rd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 13, 2011.
  • Debnath, S.C. (2011). "Genetic diversity and molecular analysis in berry crop improvement.", 53rd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 13, 2011.
  • Debnath, S.C. (2011). "In vitro propagation of roseroot (Rhodiola rosea L).", in Awaad, A.S., Kaushik, G. and Govil, J.N. (eds.) - Recent Progress in Medicinal Plants. Vol. 31: Mechanism and Action of Phytoconstituents, Studium Press LLC, Houston, USA, Chapter 23, pp. 361-373.
  • Debnath, S.C. (2011). "Molecular characterization of antioxidant-rich Canadian berry germplasm.", 2011 Federal Food Safety and Nutrition Research (FFSNR) Web-based Seminar Series, Canada, November 29-December 15, 2011.
  • Debnath, S.C. (2011). "Propagation of small fruits through tissue culture.", 53rd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 13, 2011.
  • Debnath, S.C. (2011). "Who is on the research farm?", Agriview, 5(2), pp. 1-2.
  • Debnath, S.C., Siow, Y.L., Petkau, J.C., An, D., and Bykova, N.V. (2011). "Molecular markers and antioxidant activity in berry crop diversity analysis.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, 78, Session 1. (Presentation)
  • Debnath, S.C., Vyas, P., Goyali, J.C., and Igamberdiev, A.U. (2011). "Molecular analysis and antioxidant activity in micropropagated berry plants acclimatized under ex vitro condition.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, Session 1, pp. 79.
  • Debnath, S.C., Vyas, P., and Igamberdiev, A.U. (2011). "Enhanced levels of antioxidant enzymes and metabolites in tissue culture propagated lingonberry plant.", 4th Annual Biology Graduate Students Symposium, Memorial University of Newfoundland, St. John's, NL, Canada, April 28, 2011.
  • Goyali, J.C., Chandrasekara, N., Igamberdiev, A.U., and Debnath, S.C. (2011). "Evaluation of phenolic compounds and antioxidant activity of market blueberry in Newfoundland.", 4th Annual Biology Graduate Students Symposium, Memorial University of Newfoundland, St. John's, NL, Canada, April 28, 2011.
  • Isaak, C.K., Petkau, J.C., Debnath, S.C., and Siow, Y.L. (2011). "Effects of cool climate berries on apoptosis.", LifeScience Alley Tenth Annual Conference and Expo, Minneapolis, MN, USA, December 7, 2011.
  • Isaak, C.K., Petkau, J.C., Debnath, S.C., and Siow, Y.L. (2011). "Effects of cool climate berries on apoptosis.", Therapeutic Applications for Functional Foods Conference, St. Boniface Hospital Research Centre, Winnipeg, MB, Canada, May 31-June 1, 2011, Abs P-13.
  • Vyas, P., Chandrasekara, N., Debnath, S.C., and Igamberdiev, A.U. (2011). "Antioxidant properties of in vitro and ex vitro propagated lingonberry cultivars.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, CSPP-S27, pp. 236.
  • Vyas, P., Debnath, S.C., and Igamberdiev, A.U. (2011). "Enhanced levels of phenolic compounds and antioxidant capacity in in vitro derived lingonberry plants. cclimatized under ex vitro condition.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011, Session 2, pp. 82.
  • Zdepski, A., Debnath, S.C., Howell, A.B., Polashock, J., Oudemans, P.V., Vorsa, N., and Michael, T.P. (2011). "Cranberry.", in Kole, C. (ed.) - Genetics, Genomics and Breeding of Berries, Science Publishers, Enfield, NH, USA, Chapter 2, pp. 41-63.

2010

  • Debnath, S.C. (2010). "Development of small fruits suitable for cultivatuin in cool climates.", 52nd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 14, 2010. (Poster)
  • Debnath, S.C. (2010). "Genetic diversity and molecular analysis in berry crop improvement.", 52nd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 14, 2010. (Poster)
  • Debnath, S.C. (2010). "Genetic diversity and molecular analysis in berry crop improvement.", International Conference on Green Plant Breeding Technologies, Vienna, Austria, February 2-5, 2010, pp. 45. (Abstract)
  • Debnath, S.C. (2010). "In vitro propagation strategies and molecular techniques to monitor trueness-to-type of micropropagules in berry crops.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, Berries (S01.284), pp. 45. (Abstract)
  • Debnath, S.C. (2010). "Molecular assessments of genetic diversity in berry crop germplasm.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, Genetic Resources (S12.088), pp. 541-542. (Abstract)
  • Debnath, S.C. (2010). "Molecular markers for genetic fidelity during in vitro propagation of horticultural crops.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, Ws25.2, pp. 316. (Abstract)
  • Debnath, S.C. (2010). "Propagation of small fruits through tissue culture.", 52nd Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 14, 2010. (Poster)
  • Debnath, S.C. (2010). "Wildberry germplasm at AAFC St. John’s.", published by AAFC Atlantic Cool Climate Crop Research Centre, St. John's, NL. (Flyer)
  • Debnath, S.C., Bishop, G.A., and Sion, M. (2010). "Lingonberry germplasm characterization for berry characters, anthocyanin contents and antioxidant activities.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, Genetic Resources (S12.082), pp. 540. (Abstract)
  • Debnath, S.C., Vyas, P., Igamberdiev, A.U., and White, J. (2010). "Characteristics of lingonberry plants propagated by in vitro and ex vitro propagation methods.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, Berries (S01.203), pp. 26-27. (Poster)
  • Debnath, S.C., Vyas, P., Igamberdiev, A.U., and White, J. (2010). "Characteristics of lingonberry plants propagated by in vitro and ex vitro propagation methods.", 28th International Horticultural Congress (IHC2010): Postharvest technology in global market, Lisboa Congress Centre, Lisbon, Portugal, August 22-27, 2010, S01.203. (Poster)
  • Petkau, J.C., Debnath, S.C., and Siow, Y.L. (2010). "The microplate-based total phenolics assay is a rapid, inexpensive alternative to ORAC for antioxidant determination.", 2010 Canadian Institute of Food Science & Technology (CIFST) and AAFC Conference, Fairmont Winnipeg Hotel, Winnipeg, MB, Canada, May 30-June 1, 2010, Abs P2-03.
  • Vyas, P., Debnath, S.C., and Igamberdiev, A.U. (2010). "The effect of different propagation methods on antioxidant enzyme activities of lingonberry (Vaccinium vitis-idaea) plants.", 12th World Congress of the International Association for Plant Biotechnology (IAPB) and the 2010 In Vitro Biology Meeting of the Society for In Vitro Biology (SIVB), America’s Center, St. Louis, MO, USA, June 6-11, 2010. (Presentation)

2009

  • Debnath, S.C. (2009). "Bioreactor micropropagation strategies for canadian berry industry.", Newsletter - Canadian Society for Horticultural Science, 4(2), pp. 9. (Newsletter)
  • Debnath, S.C. (2009). "Bioreactor micropropagation strategies for canadian berry industry.", GreenSys 2009 - International Symposium on High Technology for Greenhouse Systems, Loews Le Concorde Hotel, Québec City, QC, Canada, June 14-19, 2009.
  • Debnath, S.C. (2009). "Cool climate berry crop improvement program at AAFC.", Research Update Meeting of the Atalntic Cool Climate Crop research Centre, Agriculture and Agri-Food Canada, St. John's, NL, Canada, May 1, 2009. (Presentation)
  • Debnath, S.C. (2009). "Cranberry improvement project at Atlantic Cool Climate Crop Research Centre.", published by Agriculture and Agri-Food Canada (AAFC)/Agriculture et Agroalimentaire Canada (AAC). (Factsheet)
  • Debnath, S.C. (2009). "Development of small fruits suitable for cultivatuin in cool climates.", 51st Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 15, 2009. (Poster)
  • Debnath, S.C. (2009). "Nature's bounty - improving cranberries for a healthier tomorrow.", published by Agriculture and Agri-Food Canada (AAFC)/Agriculture et Agroalimentaire Canada (AAC), 2 pages. (Factsheet)
  • Debnath, S.C. (2009). "New type of berry crop in development – Half-high blueberries could shoot industry to the moon.", Advertiser (Grand Falls-Windsor, NL), 73(95), pp. 4.
  • Debnath, S.C. (2009). "Propagation and cultivation of Vaccinium species and less known small fruits.", Latvian Journal of Agronomy, 12, pp. 22-29.
  • Debnath, S.C. (2009). "Propagation and cultivation of Vaccinium species and less known small fruits.", International Scientific Conference: "Vaccinium ssp. And less known small fruit: challenges and risks”, Latvia University of Agriculture, Jelgava, Latvia, October 6-8, 2009.
  • Debnath, S.C. (2009). "Propagation of small fruits through tissue culture.", 51st Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 15, 2009. (Poster)
  • Debnath, S.C. (2009). "Use of molecular techniques in small fruit and medicinal plant improvement.", 51st Annual Farm Field Day, AAFC, St. John’s, NL, Canada, August 15, 2009. (Poster)
  • Vyas, P., Debnath, S.C., and Igamberdiev, A.U. (2009). "Antioxidant activities of lingonberry (Vaccinium vitis-idaea L.) plants as affected by in vitro and ex vitro propagation methods.", Newsletter - Canadian Society for Horticultural Science, 4(2), pp. 12. (Newsletter)
  • Vyas, P., Debnath, S.C., and Igamberdiev, A.U. (2009). "Antioxidant activities of lingonberry (Vaccinium vitis-idaea L.) plants as affected by in vitro and ex vitro propagation methods.", GreenSys 2009 - International Symposium on High Technology for Greenhouse Systems, Loews Le Concorde Hotel, Québec City, QC, Canada, June 14-19, 2009.