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, 1997

Key publications

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
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
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
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, 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
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
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
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
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
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
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
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
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
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
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
Nie X, Dickison V, Brooks S, Singh M, and Murphy A. 2017. 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. Proceeding of the 2016 Annual Meeting of the Canadian Phytopathological Society. Winnipeg, MN, June 18- 21, 2017. Page: 42.
2017 - View publication details
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