Xianzhou Nie, Ph.D.

Image Xianzhou Nie
Research Scientist

Plant virology, particularly potato viruses and viral disease management

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

  1. Nie X, Singh M, D Chen, C Gilchrist, Y Soqrat, M Shukla, A Creelman, V Dickison, B Nie, J Lavoie, and V Bisht. 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. doi: 10.1094/PDIS-06-20-1321-RE

    2020 - View publication details

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. Smith RL, Lawrence J, Shukla M, Singh M, Li X, Xu H, Gardner K and Nie X. 2018. First report of Coleus blumei viroid 5 and molecular confirmation of Coleus blumei viroid 1 in commercial Coleus blumei in Canada. Plant Disease DOI: 10.1094/PDIS-01-18-0055-PDN

    2018 - View publication details

  11. Nie X, Boquel S, Singh M, Mackenzie T, GallagherA and LavoieJ. 2018. Management of PVY through combined use of mineral oil and insecticide along with other management practices. Assemblée de la catégorie des producteurs de pommes de terre aux fins de semences. 20 février 2018
    Hôtel Plaza Québec, Quebec City. Invited Presentation.

    2018 - View publication details

  12. Dickison V, Bizimungu B, De Koeyer D, Douglass K, Nie X. 2017. Review: Marker–assisted selection of disease traits integration into AAFC’s Potato Breeding Program. Canadian Phytopathological Society Maritime Region Meeting 2017, 23 Nov 2017, Kentville, NS.

    2017 - View publication details

  13. Bai Y, Han S,Gao Y, Zhang W, Fan G, Qiu C, Shen Y, Zhang S, Shang H, Nie X, Wen J. 2017. Pathogenicity of Potato virus Y strains in different potato varieties. Acta Agriculturae Boreali-occidentalis Sinica 27: 1713-1720

    2017 - View publication details

  14. Nie X. 2017. Seed potato production system and recent virus research advances in Canada. Invited Seminar. 24 October 2017. Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong, China.

    2017 - View publication details

  15. Nie X. 2017. Recent advances in potato virus research in Canada. Invited Seminar. 19 October 2017. Heilongjiang Academy of Agricultural Sciences, Keshan, Heilongjiang, China.

    2017 - View publication details

  16. Nie X and Singh RP. 2017. Viroid detection and identification by bioassay. Chapter 33. In “Viroids and Satellites” Hadidi A, Randles JW, Flores R, and Palukaitis P, ed. Academic Press/Elsevier. Page: 347-356. http://dx.doi.org/10.1016/B978-0-12-801498-1.00033-4

    2017 - View publication details

  17. Lacomme C, Pickup J, Fox A, Glais L, Dupuis B, Steinger T, Rolot J-L, Valkonen J P T, Kruger K, Nie X, Modic S, Mehle N, Ravnikar M, Hullé M. 2017. Transmission and epidemiology of Potato virus Y. Chapter 5. In “Potato virus Y: biodiversity, pathogenicity, epidemiology and management”. Lacomme C, Glais L, Bellstedt D, Dupuis B, Karasev A, Jacquot E (Eds.). pp. 141-176. DOI: 10.1007/978-3-319-58860-5_6.

    2017 - View publication details

  18. Nie X and Singh RP. 2017. Coleus blumei viroids. Chapter 27. In “Viroids and Satellites”, Hadidi A, Randles JW, Flores R, and Palukaitis P, ed. Academic Press/Elsevier. Page: 289-295. http://dx.doi.org/10.1016/B978-0-12-801498-1.00027-9

    2017 - View publication details

  19. Nie X, Dickison V, Murphy A, Singh M and De Koeyer D. 2017. Development and validation of high resolution DNA melting markers linked to extreme resistance to PVY. The 101th Annual Meeting of the Potato Association of America, July 23- 27, 2017. Fargo, ND, Page: 79-80.

    2017 - View publication details

  20. Boquel S. and Nie X. 2017. How mineral oil impacts non-persistent Potato virus Y transmission. Proceeding of the 2016 Annual Meeting of the Canadian Phytopathological Society. Winnipeg, MN, June 18- 21, 2017. Page: 65.

    2017 - View publication details

Research facility

95 Innovation Road
PO Box 20280
Fredericton, NB E3B 4Z7


Senior Editor, Plant Disease

Senior Editor, Canadian Journal of Plant Pathology

Senior Editor, PhytoFrontiers