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Effect of biofumigation on soil-borne pathogen Rhizoctonia solani

Author

Listed:
  • Ludmila Holková

    (Department of Crop Science, Breeding and Plant Protection, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic)

  • Jhonny Alba-Mejía

    (Department of Crop Science, Breeding and Plant Protection, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic)

  • Barbora Jílková

    (Department of Crop Science, Breeding and Plant Protection, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic)

  • Věra Loubová

    (Potato Research Institute Havlíčkův Brod, Ltd., Havlíčkův Brod, Czech Republic)

  • Markéta Kuljová

    (Potato Research Institute Havlíčkův Brod, Ltd., Havlíčkův Brod, Czech Republic)

  • Martin Kmoch

    (Potato Research Institute Havlíčkův Brod, Ltd., Havlíčkův Brod, Czech Republic)

Abstract

Rhizoctonia solani is an important fungal pathogen that causes a disease technically known as black scurf of potato. Integrated pest management favours the use of sustainable biological methods, such as "biofumigation". This field study aimed to evaluate, in two independent experiments, the antimicrobial role of crushed mustard seed residues on the abundance of the fungal pathogen R. solani in soil. Potatoes were grown in soil inoculated with R. solani mycelium under greenhouse and field conditions, and soil infection levels were assessed by qPCR at the end of the growing season. In both culture conditions, a statistically significant reduction in specific R. solani DNA was detected in the variants with crushed mustard seed residues in the soil compared to the control variants without crushed mustard seed residues (5-fold in the greenhouse experiment and 3-13-fold in the field experiment).

Suggested Citation

  • Ludmila Holková & Jhonny Alba-Mejía & Barbora Jílková & Věra Loubová & Markéta Kuljová & Martin Kmoch, . "Effect of biofumigation on soil-borne pathogen Rhizoctonia solani," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 0.
    • Handle: RePEc:caa:jnlpps:v:preprint:id:186-2025-pps
    DOI: 10.17221/186/2025-PPS
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