Dr. Peter M.A. Toivonen

Image Peter Toivonen
Retired - 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. Manganaris, G.A., Toivonen, P.M.A., and Kalaitzis, P. (Eds.) (2015). Proceedings of the V Postharvest Unlimited Conference. Acta Horticulturae (ISHS) 1079, 714 pages.. (Book)

    2015 - View publication details

  2. Hampson, C.R., McKenzie, D.-L., Herbert, L.C., and Toivonen, P.M.A. (2015). "Resistance of new sweet cherry cultivars to fruit pitting.", HortScience, 50(9: S255). (Abstract)

    2015 - View publication details

  3. Toivonen, P.M.A., DeLong, J.M., Hampson, C.R., Song, J., Forney, C.F., and Myles, S. (2015). "Peel maturity only correlates with soft scald in a highly susceptible orchard of Ambrosia™ apple.", HortScience, 50(9), pp. S181. (Abstract)

    2015 - View publication details

  4. Toivonen, P.M.A., Cossentine, J.E., O'Gorman, D.T., and Urbez-Torres, J.R. (2015 Confidential). Progress Report for Project ID number J-000378. P020-BCFGA- Canadian Tree Fruit Products Development - Activity 3: Postharvest characterization of apple and sweet cherry quality. (Report)

    2015 - View publication details

  5. McClure, K.A., Gardner, K.M., Toivonen, P.M.A., Hampson, C.R., Lannard, B.L., Rajcan, I., Song, J., and Myles, S. (2015). "Genetic mapping using next-generation DNA sequencing in apple.", Canadian Plant Genome Workshop (CPGW 2015), Victoria, BC, Canada, August 1-13., 2015.

    2015 - View publication details

  6. Toivonen, P.M.A., DeLong, J.M., Song, J., and Forney, C.F. (2015). "Peel Maturity only Correlates with Soft Scald in a Highly Susceptible Orchard of Ambrosia™ apple.", American Society for Horticultural Science (ASHS) Annual Conference 2015, New Orleans, Louisiana, USA, August 4-7, 2015.

    2015 - View publication details

  7. Hampson, C.R., McKenzie, D.-L., Herbert, L.C., and Toivonen, P.M.A. (2015). "Resistance of new sweet cherry cultivars to fruit pitting.", American Society for Horticultural Science (ASHS) Annual Conference 2015, New Orleans, Louisiana, USA, August 4-7, 2015. (Poster)

    2015 - View publication details

  8. Toivonen, P.M.A., Lu, C., Bach, S.J., and Delaquis, P.J. (2015). "Hypoxic atmospheres can induce subsequent increases in cutting-induced hydrogen peroxide production by fresh-cut Romaine lettuce.", Acta Horticulturae (ISHS), 1071, pp. 519-526.

    2015 - View publication details

  9. Toivonen, P.M.A. (2015). Comparison of IAD and starch-iodine indices at harvestand how they relate to post-storage firmness retentionin ambrosiaTM apples over three growing seasons. Canadian Journal of Plant Science, [online] 95(6), 1177-1180. http://dx.doi.org/10.4141/CJPS-2015-185

    2015 - View publication details

  10. Toivonen, P.M.A. and Cliff, M.A. (2014). Progress Report for Project ID number J-000379. P020-BCFGA- Canadian Tree Fruit Products Development - Activity 4: Update on Improving Ambrosia™ Apple Quality after Long Term Storage. AIP-ASP reporting: Okanagan Plant Improvement Company (PICO)/Scientist Meeting Agenda – March 26, 2014: PARC-Summerland. (Report)

    2014 - View publication details

  11. Toivonen, P.M.A., O'Gorman, D.T., and Cossentine, J.E. (2014). Progress Report for Project ID number J-000378. P020-BCFGA-Canadian Tree Fruit Products Development - Activity 3: Postharvest characterization of apple and sweet cherry quality. AIP-ASP reporting: Okanagan Plant Improvement Company (PICO)/Scientist Meeting Agenda – March 26, 2014: PARC-Summerland. (Report)

    2014 - View publication details

  12. Toivonen, P.M.A. (2014). "DA meter assessment of apple maturity: Myths, realities and challenges.", Orchard Network Newsletter, 18(4), pp. 10-11. (Newsletter)

    2014 - View publication details

  13. Toivonen, P.M.A. (2014). Response of Aurora Golden Gala™ apples to 1-methylcyclopropene (1-MCP) treatment, controlled atmosphere storage (CAS) and storage temperature over short duration storage. Report to Summerland Varieties Corporation, 13 pp. (Report)

    2014 - View publication details

  14. Toivonen, P.M.A., Mitcham, E.J., and Terry, L.A. (2014). "Postharvest care and the treatment of fruits and vegetables.", in Dixon, G.R. and Aldous, D.E. (eds.) - Horticulture: Plants for People and Places, Volume 1, Production Horticulture, Springer, pp. 465-483.

    2014 - View publication details

  15. Toivonen, P.M.A. and Hampson, C.R. (2014). "Replacement of existing cultivars with similar apples having better postharvest traits.", ISHS 29th International Horticultural Congress, Brisbane, Australia, August 17-22, 2014, Oral presentation.

    2014 - View publication details

  16. Toivonen, P.M.A. (2014). "Managing sweet cherry quality - Importance of production and harvest practices.", Compact Fruit Tree(August), pp. 30.

    2014 - View publication details

  17. O'Gorman, D.T., Haag, P., Urbez-Torres, J.R., and Toivonen, P.M.A. (2014). Characterization and management of two cherry diseases in the Okanagan: cherry slip skin and cherry replant disease 2014. AIP-ASP reporting: Okanagan Plant Improvement Company (PICO)/Scientist Meeting Agenda – March 26, 2014: PARC-Summerland. (Report)

    2014 - View publication details

  18. Toivonen, P.M.A. (2014). "Relationship of typical core temperatures after hydrocooling on retention of different quality components in sweet cherry.", HortTechnology, 24(4), pp. 457-462.

    2014 - View publication details

  19. 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. Canadian Journal of Plant Science, [online] 94(8), 1427-1439. http://dx.doi.org/10.4141/CJPS-2014-139

    2014 - View publication details

  20. 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. Postharvest Biology and Technology, [online] 91 90-95. http://dx.doi.org/10.1016/j.postharvbio.2013.12.024

    2014 - View publication details

Research facility

4200 Highway #97
Summerland, BC V0H 1Z0
Canada

Language

English