Developing sustainable management methods for clubroot

FJ Burnett*, Tim Boor, F Dussart, Julie Smith

*Corresponding author for this work

Research output: Book/ReportCommissioned report

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Abstract

The project aimed to progress sustainable and cost-effective management of clubroot, through an enhanced understanding of the diversity of UK clubroot populations, and the prevalence of varietal resistance breaking strains. Secondly, the project aimed to assess the potential for targeted treatment by mapping the severity of clubroot in affected fields.
The project results have highlighted the prevalence of clubroot in the UK, the diverse nature of the pathogen population and the patchy nature of the disease in affected fields. Twenty-five fields were assessed using a standardised European Clubroot Differential Host set and 20 different pathotypes were identified, in almost equal proportion. Strains of clubroot that can overcome the ‘Mendel’ resistance to clubroot, which is present in resistant varieties like Crome, Mentor and Cracker, were found to be present throughout the UK. Soils from seventy-five fields were tested in total, using the oilseed rape varieties Mendel (resistant) and Tolken (susceptible) in bioassays. Of these, almost half
(49%) had disease severities of more than 10% in the resistant variety, as a % of what was noted in the susceptible variety, and 15% of sites gave results of over 30% disease severity.
Original languageEnglish
PublisherAgriculture and Horticulture Development Board
Commissioning bodyAgriculture and Horticulture Development Board
Number of pages75
Publication statusPrint publication - Mar 2019

Publication series

NameProject Report No. 608

Fingerprint

disease severity
methodology
varietal resistance
crackers
mentoring
pathotypes
clubroot
Brassica napus
bioassays
pathogens
soil

Cite this

Burnett, FJ., Boor, T., Dussart, F., & Smith, J. (2019). Developing sustainable management methods for clubroot. (Project Report No. 608). Agriculture and Horticulture Development Board.
Burnett, FJ ; Boor, Tim ; Dussart, F ; Smith, Julie. / Developing sustainable management methods for clubroot. Agriculture and Horticulture Development Board, 2019. 75 p. (Project Report No. 608).
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Burnett, FJ, Boor, T, Dussart, F & Smith, J 2019, Developing sustainable management methods for clubroot. Project Report No. 608, Agriculture and Horticulture Development Board.

Developing sustainable management methods for clubroot. / Burnett, FJ; Boor, Tim; Dussart, F; Smith, Julie.

Agriculture and Horticulture Development Board, 2019. 75 p. (Project Report No. 608).

Research output: Book/ReportCommissioned report

TY - BOOK

T1 - Developing sustainable management methods for clubroot

AU - Burnett, FJ

AU - Boor, Tim

AU - Dussart, F

AU - Smith, Julie

PY - 2019/3

Y1 - 2019/3

N2 - The project aimed to progress sustainable and cost-effective management of clubroot, through an enhanced understanding of the diversity of UK clubroot populations, and the prevalence of varietal resistance breaking strains. Secondly, the project aimed to assess the potential for targeted treatment by mapping the severity of clubroot in affected fields.The project results have highlighted the prevalence of clubroot in the UK, the diverse nature of the pathogen population and the patchy nature of the disease in affected fields. Twenty-five fields were assessed using a standardised European Clubroot Differential Host set and 20 different pathotypes were identified, in almost equal proportion. Strains of clubroot that can overcome the ‘Mendel’ resistance to clubroot, which is present in resistant varieties like Crome, Mentor and Cracker, were found to be present throughout the UK. Soils from seventy-five fields were tested in total, using the oilseed rape varieties Mendel (resistant) and Tolken (susceptible) in bioassays. Of these, almost half(49%) had disease severities of more than 10% in the resistant variety, as a % of what was noted in the susceptible variety, and 15% of sites gave results of over 30% disease severity.

AB - The project aimed to progress sustainable and cost-effective management of clubroot, through an enhanced understanding of the diversity of UK clubroot populations, and the prevalence of varietal resistance breaking strains. Secondly, the project aimed to assess the potential for targeted treatment by mapping the severity of clubroot in affected fields.The project results have highlighted the prevalence of clubroot in the UK, the diverse nature of the pathogen population and the patchy nature of the disease in affected fields. Twenty-five fields were assessed using a standardised European Clubroot Differential Host set and 20 different pathotypes were identified, in almost equal proportion. Strains of clubroot that can overcome the ‘Mendel’ resistance to clubroot, which is present in resistant varieties like Crome, Mentor and Cracker, were found to be present throughout the UK. Soils from seventy-five fields were tested in total, using the oilseed rape varieties Mendel (resistant) and Tolken (susceptible) in bioassays. Of these, almost half(49%) had disease severities of more than 10% in the resistant variety, as a % of what was noted in the susceptible variety, and 15% of sites gave results of over 30% disease severity.

M3 - Commissioned report

T3 - Project Report No. 608

BT - Developing sustainable management methods for clubroot

PB - Agriculture and Horticulture Development Board

ER -

Burnett FJ, Boor T, Dussart F, Smith J. Developing sustainable management methods for clubroot. Agriculture and Horticulture Development Board, 2019. 75 p. (Project Report No. 608).