DeLong, John, Ph.D.

Research Scientist

Contact Information:

32 Main St.
Kentville, Nova Scotia B4N 1J5
Telephone: 902-679-5765
Fax: 902-679-2311
Email: john.delong@agr.gc.ca

Postharvest Upregulation of Taxanes in Taxus species
The Ostrich Fern (Matteucia struthioipteris) as a Source of Health-Promoting Plant Compounds

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

Prange, R.K., DeLong, J.M., and Wright, A.H. (2012). "Improving Our Understanding of Storage Stress Using Chlorophyll Fluorescence.", Acta Horticulturae (ISHS), 945, pp. 89-96.

DeLong, J.M., Hodges, D.M., Prange, R.K., Forney, C.F., Toivonen, P.M.A., Bishop, M.C., Elliot, M.L., and Jordan, M.A. (2011). "The unique fatty acid and antioxidant composition of ostrich fern (Matteuccia struthiopteris) fiddleheads.", Canadian Journal of Plant Science, 91(5), pp. 919-930. doi : 10.4141/cjps2010-042
Prange, R.K., DeLong, J.M., Nichols, D.S., and Harrison, P.A. (2011). "Effect of fruit maturity on the incidence of bitter pit, senescent breakdown, and other post-harvest disorders in ‘Honeycrisp’ ™ apple.", Journal of Horticultural Science and Biotechnology, 86(3), pp. 245-248.
Prange, R.K., DeLong, J.M., and Wright, A.H. (2011). "Storage of Pears Using Dynamic Controlled-Atmosphere (DCA), a Non-Chemical Method.", Acta Horticulturae (ISHS), 909, pp. 707-717.
Wright, A.H., DeLong, J.M., Gunawardena, A.H.L.A.N., and Prange, R.K. (2011). "Dynamic controlled atmosphere (DCA): Does fluorescence reflect physiology in storage?.", Postharvest Biology and Technology, 64(1), pp. 19-30. doi : 10.1016/j.postharvbio.2011.09.015
Wright, A.H., DeLong, J.M., Gunawardena, A.H.L.A.N., and Prange, R.K. (2011). "The interrelationship between the lower oxygen limit, chlorophyll fluorescence and the xanthophyll cycle in plants.", Photosynthesis Research, 107(3), pp. 223-235. doi : 10.1007/s11120-011-9621-9

Wright, A.H., DeLong, J.M., Harrison, P.A., Gunawardena, A.H.L.A.N., and Prange, R.K. (2010). "The effect of temperature and other factors on chlorophyll a fluorescence and the lower oxygen limit in apples (Malus domestica).", Postharvest Biology and Technology, 55(1), pp. 21-28. doi : 10.1016/j.postharvbio.2009.07.011

DeLong, J.M., Prange, R.K., Schotsmans, W.C., Nichols, D.S., and Harrison, P.A. (2009). "Determination of the optimal pre-storage delayed cooling regime to control disorders and maintain quality in ‘Honeycrisp’ ™ apples.", Journal of Horticultural Science and Biotechnology, 84(4), pp. 410-414.
Wright, A.H., DeLong, J.M., Lada, R.R., and Prange, R.K. (2009). "The relationship between water status and chlorophyll a fluorescence in grapes (Vitis spp.).", Postharvest Biology and Technology, 51, pp. 193-199. doi : 10.1016/j.postharvbio.2008.07.004

Fan, L., DeLong, J.M., Doucette, C., Hughes, T., and Bishop, M.C. (2012). "Effect of heat treatment on microbial quality of fiddleheads.", United Fresh 2012, Dallas Convention Center, Dallas, TX, USA, May 1-23, 2012. (Poster)

Prange, R.K., DeLong, J.M., and Harrison, P.A. (2009). "Using HarvestWatch™ for maximum CA and other storage benefits.", Nova Scotia Fruit Growers’ Association Annual Convention, Greenwich, NS, Canada, January 28-29, 2009.
Prange, R.K., DeLong, J.M., and Wright, A.H. (2009). "A review of Dynamic Controlled Atmosphere (DCA), apples and more.", 10th Controlled and Modified Atmosphere Research Conference, Antalya, Turkey, April 4-7, 2009. (Abstract)
Prange, R.K., DeLong, J.M., and Wright, A.H. (2009). "Postharvest Applications of Chlorophyll Fluorescence - Dynamic Controlled Atmosphere (DCA), apples and more.", GreenSys 2009 - International Symposium on High Technology for Greenhouse Systems, Loews Le Concorde Hotel, Québec City, QC, Canada, June 14-19, 2009. (Abstract)
Schotsmans, W.C., DeLong, J.M., Larrigaudière, C., and Prange, R.K. (2009). "Effects on Physiological Disorders.", in Yahia, E.M. (ed.) - Modified and Controlled Atmospheres for the Storage, Transportation, and Packaging of Horticultural Commodities, CRC Press Taylor & Francis, Boca Raton, FL, USA, Chapter 8, pp. 159-191.
Wright, A.H., DeLong, J.M., Gunawardena, A.H.L.A.N., and Prange, R.K. (2009). "Improving our understanding of the relationship between chlorophyll fluorescence-based Fα, oxygen, temperature and anaerobic volatiles.", 10th Controlled and Modified Atmosphere Research Conference, Antalya, Turkey, April 4-7, 2009. (Abstract)