Fedak, George, Ph.D.

Research Scientist


Contact Information:

960 Carling Ave
Ottawa, Ontario K1A 0C6
Telephone: 613-759-1393
Fax: 613-759-6559
Email: george.fedak@agr.gc.ca

Areas of Expertise:

  • gene tagging
  • elymus
  • secale
  • hordeum
  • thinopyrum
  • triticum timopheevi
  • transfer
  • aegilops
  • chromosome location of resistance genes
  • molecular markers
  • bydv resistance
  • septoria
  • tan spot
  • fusarium head blight resistance
  • intergeneric hybridization
  • molecular technologies
  • cereal cytogenetics
  • cereal cytogenetics
  • triticum timopheevi
  • genetic diversity
  • genetic diversity
  • molecular technologies
  • aegilops
  • thinopyrum
  • hordeum
  • secale
  • elymus
  • gene tagging
  • intergeneric hybridization
  • chromosome location of resistance genes
  • molecular markers
  • bydv resistance
  • septoria
  • tan spot
  • fusarium head blight resistance
  • transfer

Current Projects:

  • Enhance resistance to Fusarium head blight in major wheat quality classes to improve food safety through reduced mycotoxin content
  • Enhancement of fusarium head blight resistance of durum wheat to improve food safety and reduce business risk for sustainable cropping systems

Research Publications:

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

2016

  • Gou, L., Hattori, J., Fedak, G., Balcerzak, M., Sharpe, A.G., Visendi, P., Edwards, D.J., Tinker, N.A., Wei, Y.-M., Chen, G-Y., and Ouellet, T. (2016). "Development and validation of Thinopyrum elongatum expressed molecular markers specific for the long arm of chromosome 7E.", Crop Science, 56(1), pp. 354-363. doi : 10.2135/cropsci2015.03.0184
  • Hard white spring wheat line WS175 with a high level of resistance to Fusarium head blight W. Cao, G. Fedak, H. Voldeng, D. Somers, A.G. Xue, J. Fregeau-Reid, C. McCartney, G. Humphreys. Canadian Journal of Plant Science, 2016, 96:1060-1064, 10.1139/cjps-2015-0345

2015

2014

2013

2011

2010

2009

Other Science Related Publications:

2016

  • Cao W, Fedak G, Voldeng H, Somers D, Xue A, Fregeau-Reid J, Humphreys G (2016) Marker-assisted breeding for improvement of Fusarium head blight resistance in spring wheat. Proc ASA-CSSA-SSSA Meeting, Phoenix, AZ, USA, Nov. 6-9, P163-1312.
  • Cao W, Humphreys G, Fedak G, McCallum B, Fetch T, Sun Y, Fregeau-Reid J (2016) Development of blue wheat derived from wild species Thinopyron intermedium. Proc 3rd Canadian Wheat Symposium, Ottawa, Nov 22-25, P37.
  • Cao W, Humphreys G, Fedak G, Wolfe D, McCallum B, Fetch T, Xue A, Zhang L, Chi D (2016) Development and chromosome characterization of wheat aneuploids. ASA-CSSA-SSSA Meeting, Phoenix, AZ, USA, Nov 6-9, P332-822.
  • Cao W, Humphreys G, Fedak G, Wolfe D, McCallum B, Fetch T, Xue A, Zhang L, Chi D (2016) Development of aneuploids by means of doubled haploid technology - corn pollination method. Proc Plant and Animal Genome XXIV Conference, San Diego, CA, Jan 9-13, P0257.
  • Cao, W., Humphreys, D.G., Fedak, G., Wolfe, D., McCallum, B.D., Fetch Jr., T.G., Xue, A.G., Zhang, L., and Chi, D. (2016). "Development of aneuploids in wheat by means of doubled haploid technology- corn pollen method. (https://pag.confex.com/pag/xxiv/webprogram/Paper19120.html).", XXIV Plant and Animal Genome Conference, San Diego, USA, January 9-13, 2016, Poster and Abstract, P0257.
  • Ouellet, T., Gou, L., Konkin, D., Hattori, J., Tekieh, F., Wolfe, D.F., Balcerzak, M., Chalabian, F., Vrana, J., Kubaláková, M., Doležel, J., Tinker, N.A., Sharpe, A.G., and Fedak, G. (2016). "Towards cloning of the FHB-resistance locus from Thinopyrum elongatum chromosome 7EL.", XIV Plant and Animal Genome Conference, San Diego, CA, USA, January 2016. (Poster)

2015

  • Fedak, G. (2015). "Alien Introgressions from wild Triticum species, T. monococcum , T. urartu , T. turgidum , T. dicoccum , T. dicoccoides , T. carthlicum , T. araraticum , T. timopheevii , and T. miguschovae.", in Molnár-Láng, M., Dolezel, J. and Ceoloni, C. (eds.) - Alien Introgression in wheat: Cytogenetics, Molecular Biology and Genomics, Springer, Chapter 8, pp. 191-219.
  • Fedak, G., Wolfe, D., Chi, D., Cao, W., and Xue, A.G. (2015). "Process of transferring FHB resistance from Thinopyrum elongatum to spring wheat.", Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015, pp. 164. (Abstract)
  • Jin, X., Chi, D., Zhang, B., Xue, A.G., Cao, W., and Fedak, G. (2015). "Wheat germplasm development by gene pyramiding for resistance to Ug99.", Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015, pp. 163-164.
  • Jin, X., Chi, D., Zhang, B.L., Xue, A.G., Fetch Jr., T.G., Cao, W., and Fedak, G. (2015). "Pyramiding genes Sr33, Sr35, Sr36, SrCad & Sr43 for resistance to Ug99.", Borlaug Global Rust Initiative Workshop, Sydney, Australia, September 17-20, 2015. (Poster)
  • Xue, A.G., Chen, Y.H., Voldeng, H.D., Fedak, G., Längle, T., and Zhang, J.-X. (2015). "Effect of ACM941 biofungicide on prevention and control of fusarium head blight in wheat.", Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015, pp. 356. (Abstract)
  • Zhang, B.L., Chi, D., Hiebert, C.W., Fetch Jr., T.G., Xue, A.G., Cao, W., and Fedak, G. (2015). "Pyramiding genes for resistance to stem rust, leaf rust and Fusarium head blight.", Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015, pp. 163. (Abstract)

2014

  • Cao, W., Fedak, G., Voldeng, H.D., Somers, D.J., Xue, A.G., Fregeau-Reid, J., and McCartney, C.A. (2014). "Application of marker assisted selection in spring wheat breeding.", 2nd Canadian Wheat Symposium, Saskatoon, SK, Canada, June 8-11, 2014. (Poster)
  • Cao, W., Wolfe, D., Fedak, G., McCallum, B.D., Fetch Jr., T.G., Xue, A.G., and Chi, D. (2014). "Development of aneuploids by means of doubled haploid technology – corn pollination method.", Canadian Society of Agronomy & Canadian Society for Horticultural Science Joint Annual Conference, University of Lethbridge, Lethbridge, Alberta, Canada, July 10-12, 2014.
  • Fedak, G., Wolfe, D., Chi, D., Ouellet, T., Cao, W., and Xue, A.G. (2014). "Process of transferring fhb resistance from thinopyrum elongatum to spring wheat.", 2nd Canadian Wheat Symposium, Saskatoon, SK, Canada, June 8-11, 2014. (Poster)
  • Jin, X., Chi, D., Zhang, B., Xue, A.G., Cao, W., and Fedak, G. (2014). "Wheat germplasm development by gene pyramiding for resistance to Ug99.", 2nd Canadian Wheat Symposium, Saskatoon, SK, Canada, June 8-11, 2014. (Poster)
  • Melnichuk, F., Marchenko, O., Fedak, G., and Xue, A.G. (2014). "Cytotoxic effects of chemical seed treatments on soybean seedlings.", APS-CPS Joint Meeting, Hilton Minneapolis, Minneapolis, MN, USA, August 9-13, 2014.
  • Zhang, B., Chi, D., Hiebert, C.W., Fetch Jr., T.G., Xue, A.G., Cao, W., and Fedak, G. (2014). "Pyramiding genes for resistance to stem rust, leaf rust and FHB.", 2nd Canadian Wheat Symposium, Saskatoon, SK, Canada, June 8-11, 2014. (Poster)

2013

  • Cao, W., Fedak, G., McCallum, B.D., Fetch Jr., T.G., Xue, A.G., and Chi, D. (2013). "Enhancement of wheat germplasm for resistance to Fusarium head blight, leaf rust and stem rust.", 7th International Triticeae Symposium, Chengdu, China, June 9-14, 2013, pp. 87.
  • Fedak, G., Cao, W., Chi, D., Zhang, L., Rouse, M.N., Xue, A.G., Fetch Jr., T.G., Molnar, M., and McCallum, B.D. (2013). "Screening of cytogenetic stocks for resistance to Ug99.", 7th International Triticeae Symposium, Chengdu, China, June 9-14, 2013, pp. 91.
  • Zhang, B.L., Chi, D., Cao, W., Xue, A.G., Fetch Jr., T.G., Hiebert, C.W., and Fedak, G. (2013). "Pyramiding disease resistance genes in wheat.", 7th International Triticeae Symposium, Chengdu, China, June 9-14, 2013, pp. 90.

2012

  • Fedak, G., Cao, W., Chi, D., Zhang, L., Xue, A.G., and Fetch Jr., T.G. (2012 Internal). "Stem rust studies at ECORC.", Prairie Grain Development Committee meeting, February 2012. (Presentation)

2011

  • Cao, W., Fedak, G., Fetch Jr., T.G., Xue, A.G., and Briere, S. (2011). "Gene pyramiding for resistance to Ug99 stem rust in Canadian spring wheat.", 1st Canadian Wheat Symposium, Winnipeg, MB, Canada, November 30-December 2, 2011, pp. 54.
  • Cao, W., Fedak, G., Somers, D.E., Voldeng, H.D., Xue, A.G., Gilbert, J., and Wang, X.L. (2011). "Application of MAS for development of white seeded wheat resistant to Fusarium head blight.", 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, pp. 73.
  • Comeau, A., Langevin, F., Voldeng, H.D., Haber, S.M., Gilbert, J., Randhawa, H.S., Dion, Y., Rioux, S., McCallum, B.D., Fetch Jr., T.G., Eudes, F., Blackwell, B.A., Martin, R.A., Scheeren, P., Caetano, V., Frégeau-Reid, J.A., and Fedak, G. (2011). "The systemic approach : faster genetic progress for complex goals.", 1st Canadian Wheat Symposium, Winnipeg, MB, Canada, November 30-December 2, 2011, Presentation.
  • DePauw, R.M., Somers, D.J., Cuthbert, R.D., McCallum, B.D., Knox, R.E., Voldeng, H.D., Humphreys, D.G., Fox, S.L., Singh, A.K., McCartney, C.A., and Fedak, G. (2011). "Are QTLs for fusarium head blight response additive?", 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, pp. 70.
  • Fedak, G., Cao, W., Chi, D., Somers, D.J., Miller, S.S., Ouellet, T., Xue, A.G., Gilbert, J., Savard, M.E., and Voldeng, H.D. (2011). "New sources of resistance to fusarium head blight and their modes of action.", 2011 National Fusarium Head Blight Forum, Hyatt Regency Hotel, St. Louis, MO, USA, December 4-6, 2011, pp. 19.
  • Fedak, G., Cao, W., Chi, D., Zhang, L., Xue, A.G., and Fetch Jr., T.G. (2011). "New Sources of resistance to ug99.", Borlaug Global Rust Initiative (BGRI) 2011 Technical Workshop, St. Paul, MN, USA, June 13-16, 2011. (Presentation)
  • Fedak, G., Cao, W., Chi, D., Zhang, L., Xue, A.G., and Fetch Jr., T.G. (2011). "Screening of cytogenetic stocks for resistance to Ug99.", 1st Canadian Wheat Symposium, Winnipeg, MB, Canada, November 30-December 2, 2011, pp. 38.
  • Fedak, G., Cao, W., Chi, D., Zhang, L., Xue, A.G., and Fetch Jr., T.G. (2011). "Screening of cytogenetic stocks for resistance to Ug99.", Borlaug Global Rust Initiative (BGRI) 2011 Technical Workshop, St. Paul, MN, USA, June 13-16, 2011, Poster #51. (Poster)
  • McCartney, C.A., Somers, D.J., Brûlé-Babel, A.L., Fedak, G., Gilbert, J., and Cao, W. (2011). "Mapping of the Wuhan‐1 chromosome 2DL FHB QTL in a uniform genetic background.", 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, pp. 97.
  • Xue, A.G., Chen, Y., Voldeng, H.D., Fedak, G., Savard, M.E., Längle, T., Zhang, J.X., Harman, G.E., and Genge, G. (2011). "Concentration and cultivar effects on efficacy of CLO‐1 biofungicide in controlling Fusarium head blight of wheat.", 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, pp. 92.

2009

  • Cao, W., Fedak, G., Somers, D.J., McCartney, C.A., Xue, A.G., Savard, M.E., and Voldeng, H.D. (2009). "Effectiveness of marker assisted selection for resistance to Fusarium head blight in a wheat backcross breeding program.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 58.
  • Cao, W., Fedak, G., Somers, D.J., Voldeng, H.D., Xue, A.G., Savard, M.E., and Miller, S.S. (2009). "Application of MAS for development of white seeded wheat resistant to Fusarium head blight.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 59.
  • Fedak, G., Cao, W., Gilbert, J., Xue, A.G., Comeau, A., Eudes, F., and Singh, A.K. (2009). "Approaches to improving the FHB resistance of triticale.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 61.
  • Fedak, G., Cao, W., Gilbert, J., Xue, A.G., Savard, M.E., and Voldeng, H.D. (2009). "Two new sources of FHB resistance in bread wheat.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 62.
  • Gulden, S.M., Watson, E.M., Frégeau-Reid, J.A., Miller, S.S., Fedak, G., Ouellet, T. (2009). "Characterization of a novel resistance to Fusarium graminearum identified in the grass Thinopyrum elongatum.", 14th International Congress on Molecular Plant-Microbe Interactions, Centre des congrès de Québec, Québec City, QC, Canada, July 19-23, 2009. (Poster)
  • Ouellet, T., Hattori, J., Gulden, S.M., Balcerzak, M., Rocheleau, H.J., Wang, L., Singh, J., Foroud, N.A., Fedak, G., Pandeya, R.S., Somers, D.J., Eudes, F., and Tinker, N.A. (2009). "Expression profiling of FHB resistant wheat: what we have learned from it so far.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 103. (Workshop)
  • Rampitsch, C., Somers, D.J., Tamburic-Ilincic, L., Fedak, G., Ouellet, T., Humphreys, D.G., and DePauw, R.M. (2009). "Strategic application of proteomics and plant genotyping toward improved FHB resistance in Canadian wheat.", GABI 9th Statusseminar, Potsdam, Germany, March 3-5, 2009. (Poster)
  • Xue, A.G., Voldeng, H.D., Savard, M.E., Fedak, G., and Chen, Y. (2009). "Biological management of Fusarium head blight of wheat with Clonostachys rosea strain ACM941.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 46.
  • Yang, Y., Fedak, G., Cao, W., Chi, D., Xue, A.G., and Han, F.-P. (2009). "Cytogenetic analysis of an intergeneric amphiploid × triticale hybrid: a new source of resistance to Fusarium head blight.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 78.
  • Zeng, J., Cao, W., Fedak, G., Yang, Y., Hucl, P.J., Xue, A.G., and Chi, D. (2009). "A new source of resistance to Fusarium head blight from wheat- Elymus repens introgressions.", 6th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Marriott Ottawa, Ottawa, ON, Canada, November 1-4, 2009, pp. 79.
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