Cao T.; et al. (2010). "Virulence and spread of Plasmodiophora brassicae [clubroot] in Alberta Canada". Canadian Journal of Plant Pathology. 31 (3): 321–329. doi:10.1080/07060660909507607. S2CID85839391.
Cao T.; et al. (2010). "Virulence and spread of "Plasmodiophora brassicae" clubroot in Alberta Canada". Canadian Journal of Plant Pathology. 31 (3): 321–329. doi:10.1080/07060660909507607. S2CID85839391.
Rahman, H., Shakir, A., Hasan, MJ. (2011). Breeding for clubroot resistant spring canola (Brassica napus L.) for the Canadian Prairies: Can the European winter canola cv. Mendel be used as a source for resistance. " Canadian Journal of Plant Science 91(3), p.447-458." doi:10.4141/CJPS10073
Donald C., Porter I. (2009). "Integrated Control of Clubroot". Journal of Plant Growth and Regulation. 28 (3): 289–303. doi:10.1007/s00344-009-9094-7. S2CID25458971.
Cao T.; et al. (2010). "Virulence and spread of Plasmodiophora brassicae [clubroot] in Alberta Canada". Canadian Journal of Plant Pathology. 31 (3): 321–329. doi:10.1080/07060660909507607. S2CID85839391.
Cao T.; et al. (2010). "Virulence and spread of "Plasmodiophora brassicae" clubroot in Alberta Canada". Canadian Journal of Plant Pathology. 31 (3): 321–329. doi:10.1080/07060660909507607. S2CID85839391.
Donald C., Porter I. (2009). "Integrated Control of Clubroot". Journal of Plant Growth and Regulation. 28 (3): 289–303. doi:10.1007/s00344-009-9094-7. S2CID25458971.