2021
DOI: 10.3389/fpls.2021.669997
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Validating the Strategic Deployment of Blackleg Resistance Gene Groups in Commercial Canola Fields on the Canadian Prairies

Abstract: Blackleg, caused by the fungal pathogen Leptosphaeria maculans, is a serious threat to canola (Brassica napus L.) production in western Canada. Crop scouting and extended crop rotation, along with the use of effective genetic resistance, have been key management practices available to mitigate the impact of the disease. In recent years, new pathogen races have reduced the effectiveness of some of the resistant cultivars deployed. Strategic deployment and rotation of major resistance (R) genes in cultivars have… Show more

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Cited by 10 publications
(19 citation statements)
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“…70 The proteomics approach has also been used in various studies to explain the interaction between plants and fungi belonging to the biotrophic (feeding on living tissue) and necrotrophic (feeding on dead tissue) groups. 72 The interaction of P. brassicae with the host plant has also been studied in different Brassica species using proteomics. Cao et al, 75 conducted a study using the roots of a susceptible variety of B. napus to examine the proteome changes due to infection by P. brassicae using two-dimensional gel electrophoresis after 12, 24, 48, and 72 h of inoculation with the pathogen.…”
Section: Fungimentioning
confidence: 99%
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“…70 The proteomics approach has also been used in various studies to explain the interaction between plants and fungi belonging to the biotrophic (feeding on living tissue) and necrotrophic (feeding on dead tissue) groups. 72 The interaction of P. brassicae with the host plant has also been studied in different Brassica species using proteomics. Cao et al, 75 conducted a study using the roots of a susceptible variety of B. napus to examine the proteome changes due to infection by P. brassicae using two-dimensional gel electrophoresis after 12, 24, 48, and 72 h of inoculation with the pathogen.…”
Section: Fungimentioning
confidence: 99%
“…The proteomics approach has also been used in various studies to explain the interaction between plants and fungi belonging to the biotrophic (feeding on living tissue) and necrotrophic (feeding on dead tissue) groups. Various fungal pathogens have been explored for studying these interactions, like Albugo candida , Leptosphaeria maculans , Plasmodiophora brassicae , Sclerotinia sclerotiorum , and Verticillium longisporum with various species of Brassicas including B. juncea , B. napus, B. oleracea, B. carinata , and B. rapa . …”
Section: Proteomics and Biotic Stressmentioning
confidence: 99%
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“…In this study, the race spectrum of L. maculans was monitored in northern and central Germany to help oilseed rape growers decide which major R genes are likely to perform best in their fields in accordance with the pathogen population. However, this knowledge can only be put into practice if producers disclose the major R genes that have been crossed into commercially available varieties Cornelsen et al 2021). Another solution could be that academic institutions develop a tool, namely a L. maculans differential set, that tests new cultivars and identifies major R genes in commercial cultivars.…”
Section: Chapter Vii: General Discussionmentioning
confidence: 99%
“…In 2017, a similar system was established in Canada. The feasibility of the system was validated in the most important B. napus growing areas, the Canadian prairies (Cornelsen et al 2021). In Germany, the chamber of agriculture, which supports growers with recommendations regarding commercial cultivars, describes the resistance level of oilseed rape cultivars to blackleg without mentioning the type of resistance, i.e.…”
Section: Chapter Vii: General Discussionmentioning
confidence: 99%