Xianzhou Nie, Ph.D.

Research Scientist

Plant virology, particularly potato viruses and viral disease management

850 Lincoln Rd, Room L209, Fredericton, N.B.

Current research and/or projects

Studies on potato tuber necrosis-inducing viruses

Investigation of host resistance against potato viruses and development molecular markers for high throughput marker-assisted selection of potato clones

Development of improved management practices for managing potato virus Y (PVY)

Research and/or project statements

Potato tuber necrosis-inducing viruses

Host resistance mechanism in potato against viruses

Development of molecular markers for virus resistance

Virus management

Professional activities / interests

My program mainly focuses on viruses and viral diseases in potato for the development of efficient virus management practices for potato production.

Education and awards

Ph.D., Plant Science, University of Manitoba

Key publications

Nie X , Singh M, Lavoie J, Bisht V, Shukla M, Creelman A, Mackenzie T, and Lai M. 2022. Assessment of cultivar sensitivity to potato mop-top virus induced tuber necrosis. Northeast Potato Technological Forum 2022 (Virtual). 16-17 March 2021.
2022 - View publication details
Huang W, Nie B, Tu Z, Li C, Murphy A, Singh M, Song B, Zhang S, Xie C, and Nie X. 2021. 2021. Extreme resistance to potato virus A in potato cultivar Barbara is independently conferred by Ra and Rysto. Tri-Society (Canadian Phytopathological Society, Canadian Society of Agronomy and Canadian Society for Horticultural Science) Virtual Conference on Innovation in Plant Science and Agricultural Resilience. July 5 – 9, 2021. Poster presentation (no. 145)
2021 - View publication details
Nie X , Singh M, Lavoie J, Bisht V, Shukla M, Creelman A, and Lai M. 2021. Potato mop-top virus, an emerging challenge to potato industry. Tri-Society (Canadian Phytopathological Society, Canadian Society of Agronomy and Canadian Society for Horticultural Science) Virtual Conference on Innovation in Plant Science and Agricultural Resilience. July 5 – 9, 2021. Poster presentation (no. 153)
2021 - View publication details
Nie, X., Singh, M., Chen, D., Gilchrist, C., Soqrat, Y., Shukla, M., Creelman, A., Dickison, V., Nie, B., Lavoie, J., Bisht, V. (2021). Development of high-resolution DNA melting analysis for simultaneous detection of potato mop-top virus and its vector, spongospora subterranea, in soil. Plant Disease, [online] 105(4), 948-957. http://dx.doi.org/10.1094/PDIS-06-20-1321-RE
2021 - View publication details
MacKenzie T, Singh M, and Nie X. 2021. Update on PVY control in New Brunswick and recent field trials of mineral oil, insecticidal and biological control agents for PVY management. Northeast Potato Technological Forum 2021 (Virtual). 24-25 March 2021.
2021 - View publication details
Huang W, Nie B, Tu Z, Li C, Murphy A, Singh M, Song B, Zhang S, Xie C, and Nie X. 2021. Extreme resistance to potato virus a in potato cultivar Barbara is independently mediated by Ra and Rysto. Northeast Potato Technological Forum 2021 (Virtual). 24-25 March 2021.
2021 - View publication details
Nie X , Singh M, Chen D, Gilchrist C, Soqrat Y, Shukla M, Creelman A, Dickison V, Nie B, Lavoie J, and Bisht V. 2021. Development of high-resolution DNA melting analysis for simultaneous detection of potato mop-top virus and its vector, Spongospora subterranea, in soil. Northeast Potato Technological Forum 2021 (Virtual). 24-25 March 2021.
2021 - View publication details
Nie, X., Singh, M., Chen, D., Gilchrist, C., Soqrat, Y., Shukla, M., Creelman, A., Lavoie, J. and Bisht, V.S., 2020. High resolution DNA melting analysis for detection of potato mop-top virus and its fungal vector, Spongospora subterranean, in soil and plant samples. Plant Health 2020 Online. https://apsnet.confex.com/apsnet/2020/meetingapp.cgi/Paper/17140
2020 - View publication details
Nie, X., Dickison, V., Singh, M., de Koeyer, D., Xu, H., Bai, Y., Hawkins, G. (2020). Potato tuber necrosis induced by alfalfa mosaic virus depends on potato cultivar rather than on virus strain. Plant Disease, [online] 104(2), 340-347. http://dx.doi.org/10.1094/PDIS-04-19-0827-RE
2020 - View publication details
MacKenzie, T.D.B., Nie, X., Bisht, V., Singh, M. (2019). Proliferation of recombinant pvy strains in two potato-producing regions of canada, and symptom expression in 30 important potato varieties with different pvy strains. Plant Disease, [online] 103(9), 2221-2230. http://dx.doi.org/10.1094/PDIS-09-18-1564-RE
2019 - View publication details
Nie X, Dickison V, Singh M, De Koeyer D, Xu H, Bai Y, and Hawkins G. 2019. Potato tuber necrosis induced by alfalfa mosaic virus depends on potato cultivars rather than on virus strains. Plant Health 2019 – American Phytopathological Society Annual Meeting, Cleveland, OH, 3-7 August 2019. Presentation No. 401-P2.
2019 - View publication details
Singh M, Nie X, and Mackenzie T. 2019. Evaluation of foliar insecticide spray alternatives for management of PVY spread. Northeast Potato Technological Forum 2019. Charlottetown, PEI, 20-21 March 2019.
2019 - View publication details
Chuan J, Nie J, Gardner K, Hammill D. H., Nie X, Hale L, Xu H, Li X. 2019. Exploration of the virulence mechanism of Candidatus Liberibacter solanacearum causing potato zebra chip disease. Northeast Potato Technological Forum 2019. Charlottetown, PEI, 20-21 March 2019.
2019 - View publication details
De Koeyer, D., V. Dickison, K. Gardner, B. Bizimungu, D. Chen, C. Goyer, L. Kawchuk, D. Main, J. Neilson, X. Nie, A. Smith, and H. Tai. 2019. Modernization of the Agriculture and Agri-Food Canada Potato Breeding Program. p. 34. In: Northeast Potato Technology Forum 2019 Conspectus. March 20-21, Charlottetown, PE.
2019 - View publication details
MacKenzie, T.D.B., Arju, I., Gallagher, A., Nie, X., Singh, M. (2018). Evidence of Potato virus Y Spread through Post-Emergence Management Practices in Commercial Potato Fields. American Journal of Potato Research, [online] 95(6), 720-728. http://dx.doi.org/10.1007/s12230-018-9679-4
2018 - View publication details
Nie X. 2018. Invited Prevention: Genetic diversity and management of Potato Virus Y in Canada. PROCINORTE-Plant Health Task Force Trilateral Workshop Vector-borne Viruses Affecting Crops in North America Merida, Yucatan, Mexico – September 25-27, 2018 Hotel Holiday Inn Merida. Page: 7.
2018 - View publication details
Mackenzie T, Lavoie J, Nie X, and Singh M. 2018. Differential spread of Potato virus Y (PVY) strains in the field: Implications for the rise of recombinant PVY strains in New Brunswick, Canada (Abstr.). ICPP2018 in Boston, Massachusetts, U.S.A., July 29–August 3, 2018. Phytopathology 108:S1.121. https://doi.org/10.1094/PHYTO-108-10-S1.1
2018 - View publication details
MacKenzie, T.D.B., Lavoie, J., Nie, X., Singh, M. (2018). Differential Spread of Potato virus Y (PVY) Strains O, N:O and NTN in the Field: Implications for the Rise of Recombinant PVY Strains in New Brunswick, Canada. American Journal of Potato Research, [online] 95(3), 301-310. http://dx.doi.org/10.1007/s12230-018-9632-6
2018 - View publication details
Mackenzie T, Lavoie J, Nie X, and Singh M. 2018. Preferential spread of novel recombinant PVY strains, and their effects on symptom expression, yield and tuber quality in popular potato varieties. Northeast Potato Technological Forum 2018. Fredericton, NB, 21-22 March 2018. Page: 1.
2018 - View publication details
Nie X, Dickison V, Brooks S, Nie B, Singh M, De Koeyer D and Murphy A. 2018. High resolution DNA melting (HRM) assay for detection of Rx1 and Rx2 for rapid high-throughput selection for extreme resistance to Potato virus X in potato. Northeast Potato Technological Forum 2018. Fredericton, NB, 21-22 March 2018. Page: 4.
2018 - View publication details