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Skip to Search Results- 2Strelkov, Stephen E.
- 1Borhan, M. Hossein
- 1Botero, Andrea
- 1Chaminda De Silva Weeraddana
- 1Clarke, Wayne E.
- 1Djavaheri, Mohammad
- 16Graduate and Postdoctoral Studies (GPS), Faculty of
- 16Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Agricultural, Food and Nutritional Science, Department of
- 2Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
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Progress towards the sustainable risk management of clubroot (Plasmodiophora brassicae) of canola on the Canadian prairies
Download2011-01-01
Strelkov, Stephen E., Hwang, Sheau-Fang, Howard, Ronald J., Hartman, Murray, Turkington, T. Kelly
Clubroot, caused by the obligate parasite Plasmodiophora brassicae Woronin, has recently emerged as an important disease of canola (Brassica napus) in central Alberta. Disease development is characterized by the formation of large galls on the roots of affected plants, which hinder water and...
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Spheroidal gall formation and seedborne infestation by Plasmodiophora brassicae as overlooked aspects of clubroot biology and epidemiology
DownloadFall 2011
Plasmodiophora brassicae, the causal agent of clubroot, can infect many species of the Brassicaceae. Infection results in the formation of galls on the roots of susceptible plants. Most galls are spindle-shaped, but spheroid galls can also develop and are regarded as resistance structures....
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Factors influencing Plasmodiophora brassicae resting spore loads in soil and clubroot disease severity in canola (Brassica napus)
DownloadSpring 2015
Clubroot, caused by Plasmodiophora brassicae, is an important soilborne disease of Brassica napus canola. Studies were conducted to increase understanding of the impact of various soil parameters and crop rotation regimes on P. brassicae inoculum levels and clubroot severity, respectively. In...
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The compact genome of the plant pathogen Plasmodiophora brassicae is adapted to intracellular interactions with host Brassica spp
Download2016
Clarke, Wayne E., Taheri, Ali, Rolfe, Stephen A., Malinowski, Robert, Haddadi, Parham, Links, Matthew G., Kagale, Sateesh, Strelkov, Stephen E., Djavaheri, Mohammad, Robinson, Stephen J., Parkin, Isobel A. P., Borhan, M. Hossein
Background The protist Plasmodiophora brassicae is a soil-borne pathogen of cruciferous species and the causal agent of clubroot disease of Brassicas including agriculturally important crops such as canola/rapeseed (Brassica napus). P. brassicae has remained an enigmatic plant pathogen and is a...
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Use of Rutabaga (Brassica napus var. napobrassica) for the Improvement of Canadian Spring Canola (Brassica napus)
DownloadSpring 2016
Spring-type oilseed Brassica napus L., commonly known as canola, has become the cornerstone of agricultural production in Western Canada, with the total acreage seeded increasing in each production year over the past two decades. However, the narrow genetic base of spring B. napus canola coupled...
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An assessment of the fumigant metam sodium and a Brassica juncea-derived biofumigant as management tools for clubroot (Plasmodiophora brassicae) of canola (Brassica napus)
DownloadFall 2016
Clubroot of crucifers, caused by the soilborne parasite Plasmodiophora brassicae, is spreading across canola (Brassica napus) fields in Alberta, Canada. Dissemination of the parasite is associated with the movement of infested soil on farm and other machinery, with the disease generally...
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The Impact of Clubroot Resistant Canola Cultivars on Plasmodiophora brassicae Resting Spore Concentrations in the Soil
DownloadFall 2016
The soilborne pathogen Plasmodiophora brassicae Woronin, causal agent of clubroot of canola (Brassica napus L.), is difficult to manage due to the longevity of its resting spores, its ability to produce large amounts of inoculum, and the prohibitive costs of effective fungicides. The cropping of...
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Abiotic and biotic factors influencing host-plant use of a generalist herbivore through plant-mediated interactions: oviposition and larval performance by the bertha armyworm, Mamestra configurata Walker (Lepidoptera: Noctuidae) on canola
DownloadFall 2018
The bertha armyworm (BAW), Mamestra configurata Walker (Lepidoptera: Noctuidae), is a native, polyphagous herbivore which feeds on a variety of plants in different families. In the Prairie Provinces, canola, Brassica napus L. (Brassicaceae), is a preferred host, making BAW a significant pest....
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Fall 2019
Rutabaga (Brassica napus ssp. napobrassica (L.) Hanelt) is widely grown as a vegetable crop and animal fodder, and is reported to be an excellent source of clubroot (Plasmodiophora brassicae) resistance genes. In this study, the genetic diversity and clubroot resistance of 124 rutabaga accessions...
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Transcriptomic responses in spring canola carrying clubroot resistance introgressed from rutabaga or “Mendel”
DownloadFall 2020
Canola provides ~15% of the total global vegetable oil supply and is an important crop contributing about $26.7 billion to Canada’s economy. Canola production has been threatened by clubroot disease caused by Plasmodiophora brassicae Woronin, which in extreme case can result complete crop...