Dr. Peter M.A. Toivonen

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
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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
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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
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Toivonen, P.M.A., Lu, C., Stoochnoff, J. (2019). Postharvest quality implications of preharvest treatments applied to enhance ambrosia™ apple red blush colour at harvest, 99(1), 40-49. http://dx.doi.org/10.1139/cjps-2018-0193
2019 - View publication details
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Luo, H., Song, J., Toivonen, P., Gong, Y., Forney, C., Campbell Palmer, L., Fillmore, S., Pang, X.Q., Zhang, Z.Q. (2018). Proteomic changes in ‘Ambrosia’ apple fruit during cold storage and in response to delayed cooling treatment, 137 66-76. http://dx.doi.org/10.1016/j.postharvbio.2017.11.011
2018 - View publication details
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McClure, K.A., Gardner, K.M., Douglas, G.M., Song, J., Forney, C.F., Delong, J., Fan, L., Du, L., Toivonen, P.M.A., Somers, D.J., Rajcan, I., Myles, S. (2018). A genome-wide association study of apple quality and scab resistance, 11(1), http://dx.doi.org/10.3835/plantgenome2017.08.0075
2018 - View publication details
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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
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Cliff, M.A., Stanich, K., Toivonen, P.M.A. (2017). Evaluation of the sensory, physicochemical, and visual characteristics of a sweet cherry cultivar treated in a commercial orchard with a cherry cuticle supplement when a rainfall event does not occur, 27(3), 416-423. http://dx.doi.org/10.21273/HORTTECH03621-16
2017 - View publication details
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McClure, K.A., Gardner, K.M., Toivonen, P.M.A., Hampson, C.R., Song, J., Forney, C.F., DeLong, J., Rajcan, I., Myles, S. (2016). QTL analysis of soft scald in two apple populations, 3 http://dx.doi.org/10.1038/hortres.2016.43
2016 - View publication details
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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, 95(6), 1177-1180. http://dx.doi.org/10.4141/CJPS-2015-185
2015 - View publication details
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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
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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
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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
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Toivonen, P.M.A., Lu, C. (2013). Differential quenching of free chlorine by organic compounds potentially exuded from injured plant tissues, 86 192-194. http://dx.doi.org/10.1016/j.postharvbio.2013.06.035
2013 - View publication details
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Palakawong, C., Sophanodora, P., Toivonen, P., Delaquis, P. (2013). Optimized extraction and characterization of antimicrobial phenolic compounds from mangosteen (Garcinia mangostana L.) cultivation and processing waste, 93(15), 3792-3800. http://dx.doi.org/10.1002/jsfa.6277
2013 - View publication details
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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
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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
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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
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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
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Toivonen, P.M.A., Lu, C., Bach, S., Delaquis, P. (2012). Modulation of wound-induced hydrogen peroxide and its influence on the fate of escherichia coli o157:h7 in cut lettuce tissues, 75(12), 2208-2212. http://dx.doi.org/10.4315/0362-028X.JFP-12-208
2012 - View publication details
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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
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