Dr. Peter M.A. Toivonen

Image Peter Toivonen
Research Scientist

Posharvest Physiology and Phenomics in Fruit Crops

Current research and/or projects

  • Postharvest characterization phenotyping of quality in newly released apple and sweet cherry cultivars
  • Phenotyping of soft scald susceptibility and biochemical markers in seedling populations from specified breeding crosses of apples

Professional activities / interests

  • Past Chair of USDA NE1036 Regional Project ‘Postharvest Physiology of Fruits’
  • AAFC Science Advisor to the board of the British Columbia Cherry Association
  • Vice-Chair of Commission Quality and Postharvest Horticulture for the International Society for Horticultural Science
  • Editorial Advisory Board Member for Postharvest Biology and Technology
  • Canadian Representative on PROCINORTE Tree Fruit Task Force

Key publications

  1. MacDonald JL, Toivonen PMA. 2020. "Improving Blueberry Postharvest Quality: Stacking for Optimal Temperature Management." Agriculture and Agri-Food Canada, Summerland, BC. 13021E/F.

    2020 - View publication details

  2. MacDonald JL, Toivonen PMA. 2020. "Improving Blueberry Postharvest Quality: Managing the Atmosphere of Shipped Berries." Agriculture and Agri-Food Canada, Summerland, BC. 13023E/F.

    2020 - View publication details

  3. Cliff, M.A., Toivonen, P.M.A. (2017). Sensory and quality characteristics of ‘Ambrosia’ apples in relation to harvest maturity for fruit stored up to eight months, 132 145-153. http://dx.doi.org/10.1016/j.postharvbio.2017.05.015

    2017 - View publication details

  4. Toivonen, P.M.A., Hampson, C.R. (2014). Relationship of IAD index to internal quality attributes of apples treated with 1-methylcyclopropene and stored in air or controlled atmospheres, 91 90-95. http://dx.doi.org/10.1016/j.postharvbio.2013.12.024

    2014 - View publication details

  5. Stanich, K., Cliff, M.A., Hampson, C.R., Toivonen, P.M. (2014). Shelf-life and sensory assessments reveal the effects of storage treatments with 1-methylcyclopropene on new and established apples, 94(8), 1427-1439. http://dx.doi.org/10.4141/CJPS-2014-139

    2014 - View publication details

  6. Liplap, P., Toussaint, V., Toivonen, P., Vigneault, C., Boutin, J., Raghavan, G.S.V. (2014). Effect of Hyperbaric Pressure Treatment on the Growth and Physiology of Bacteria that Cause Decay in Fruit and Vegetables, 7(8), 2267-2280. http://dx.doi.org/10.1007/s11947-013-1197-2

    2014 - View publication details

  7. Liplap, P., Vigneault, C., Toivonen, P., Charles, M.T., Raghavan, G.S.V. (2013). Effect of hyperbaric pressure and temperature on respiration rates and quality attributes of tomato, 86 240-248. http://dx.doi.org/10.1016/j.postharvbio.2013.07.002

    2013 - View publication details

  8. Tardelli, F., Guidi, L., Massai, R., Toivonen, P.M. (2013). Effects of 1-methylcyclopropene and post-controlled atmosphere air storage treatments on fresh-cut Ambrosia apple slices, 93(2), 262-270. http://dx.doi.org/10.1002/jsfa.5750

    2013 - View publication details

  9. Liplap, P., Vigneault, C., Toivonen, P., Boutin, J., Raghavan, G.S.V. (2013). Effect of hyperbaric treatment on respiration rates and quality attributes of sweet corn, 3(3), 257-271. http://dx.doi.org/10.1504/IJPTI.2013.059295

    2013 - View publication details

  10. Cliff, M.A., Li, J.B., Toivonen, P.M.A., Ehret, D.L. (2012). Effects of nutrient solution electrical conductivity on the compositional and sensory characteristics of greenhouse tomato fruit, 74 132-140. http://dx.doi.org/10.1016/j.postharvbio.2011.12.007

    2012 - View publication details

  11. Toivonen, P.M.A., Lu, C., Delaquis, P., Bach, S. (2011). Slicing under chlorinated water improves the disinfection of fresh-cut romaine lettuce, 74(12), 2142-2147. http://dx.doi.org/10.4315/0362-028X.JFP-11-194

    2011 - View publication details

  12. Cliff, M., Stanich, K., Trujillo, J.M., Toivonen, P., Forney, C.F. (2011). Determination and prediction of odor thresholds for odor active volatiles in a neutral apple juice matrix, 34(3), 177-186. http://dx.doi.org/10.1111/j.1745-4557.2011.00383.x

    2011 - View publication details

  13. Cliff, M.A., Toivonen, P.M.A., Forney, C.F., Liu, P., Lu, C. (2010). Quality of fresh-cut apple slices stored in solid and micro-perforated film packages having contrasting O2 headspace atmospheres, 58(3), 254-261. http://dx.doi.org/10.1016/j.postharvbio.2010.07.015

    2010 - View publication details

  14. Cliff, M., Lok, S., Lu, C., Toivonen, P.M.A. (2009). Effect of 1-methylcyclopropene on the sensory, visual, and analytical quality of greenhouse tomatoes, 53(1-2), 11-15. http://dx.doi.org/10.1016/j.postharvbio.2009.02.003

    2009 - View publication details

  15. Qiu, S., Lu, C., Li, X., Toivonen, P.M.A. (2009). Effect of 1-MCP on quality and antioxidant capacity of in vitro digests from 'Sunrise' apples stored at different temperatures, 42(3), 337-342. http://dx.doi.org/10.1016/j.foodres.2008.12.007

    2009 - View publication details

  16. Mrabet, A., Rejili, M., Lachiheb, B., Toivonen, P., Chaira, N., Ferchichi, A. (2008). Microbiological and chemical characterisations of organic and conventional date pastes (Phoenix dactylifera L.) from Tunisia, 58(3), 453-459. http://dx.doi.org/10.1007/BF03175543

    2008 - View publication details

  17. Toivonen, P.M.A., Hampson, C., Stan, S., McKenzie, D.L., Hocking, R. (2007). Factors affecting severity of bruises and degree of apparent bruise recovery in a yellow-skinned apple, 45(2), 276-280. http://dx.doi.org/10.1016/j.postharvbio.2007.01.018

    2007 - View publication details

  18. Wiersma, P.A., Zhang, H., Lu, C., Quail, A., Toivonen, P.M.A. (2007). Survey of the expression of genes for ethylene synthesis and perception during maturation and ripening of 'Sunrise' and 'Golden Delicious' apple fruit, 44(3), 204-211. http://dx.doi.org/10.1016/j.postharvbio.2006.12.016

    2007 - View publication details

  19. Toivonen, P.M.A. (2007). "Fruit maturation and ripening and their relationship to quality.", Stewart Postharvest Review, 3(2), pp. 7.1-7.5. doi : 10.2212/spr.2007.2.7

    2007 - View publication details

  20. Toivonen, P.M.A. (2006). "Shimson Ben-Yehoshua, Editor, Environmentally Friendly Technologies for Agricultural Produce Quality, CRC Press, Taylor & Francis Group, Boca Raton, FL (2005) ISBN 0-8493-1911-0 (Book Review).", Trends in Food Science & Technology, 17(6), pp. 337-338.

    2006 - View publication details

Research facility

4200 Highway #97
Summerland, BC V0H 1Z0