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Evaluation of Equisetum arvense (Horsetail Macerate) as a Copper Substitute for Pathogen Management in Field-Grown Organic Tomato and Durum Wheat Cultivations

Author

Listed:
  • Grazia Trebbi

    (Department of Agricultural and Food Sciences, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy)

  • Lorenzo Negri

    (Department of Agricultural and Food Sciences, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy)

  • Sara Bosi

    (Department of Agricultural and Food Sciences, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy)

  • Giovanni Dinelli

    (Department of Agricultural and Food Sciences, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy)

  • Riccardo Cozzo

    (BioAgricoop Scrl, 40133 Bologna, Italy)

  • Ilaria Marotti

    (Department of Agricultural and Food Sciences, Alma Mater Studiorum-University of Bologna, 40127 Bologna, Italy)

Abstract

Effective pathogen management, as an aspect of agroecological crop protection (ACP) necessitates the replacement of copper (Cu) fungicides, but there is little knowledge relating to the performance of potentially suitable alternatives in large-scale, open-field agricultural settings. The present study was aimed at investigating the potential of Equisetum arvense (horsetail macerate) compared to Cu-based treatments for the control of Solanum lycopersicum . and Triticum turgidum ssp. durum fungal pathogens in established organic commercial farms located in Emilia Romagna (Italy) over a three-year period (2017–2019). Both the Cu-based and horsetail foliar sprays were routinely applied as preventative treatments and in the event of pathogen establishment as curative treatments. The Cu-based and horsetail macerate treatments were both equally effective at significantly reducing Phytophthora infestans (late blight) and increasing yield in tomato compared to the untreated control. For durum wheat, the horsetail macerate and Cu-based treatments were successful at significantly reducing Puccinia triticina (brown rust) infection and increasing yield under moderate infection, but unsuccessful under unfavorable meteorological conditions resulting in the combined and severe spread of Puccinia triticina, Fusarium graminearum , and Zymoseptoria tritici. From the present results, horsetail macerate is a promising and suitable Cu-free ACP alternative for late blight management of tomato.

Suggested Citation

  • Grazia Trebbi & Lorenzo Negri & Sara Bosi & Giovanni Dinelli & Riccardo Cozzo & Ilaria Marotti, 2020. "Evaluation of Equisetum arvense (Horsetail Macerate) as a Copper Substitute for Pathogen Management in Field-Grown Organic Tomato and Durum Wheat Cultivations," Agriculture, MDPI, vol. 11(1), pages 1-14, December.
    • Handle: RePEc:gam:jagris:v:11:y:2020:i:1:p:5-:d:467285
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    References listed on IDEAS

    as
    1. Lauren Brzozowski & Michael Mazourek, 2018. "A Sustainable Agricultural Future Relies on the Transition to Organic Agroecological Pest Management," Sustainability, MDPI, vol. 10(6), pages 1-25, June.
    2. Katarzyna Godlewska & Anita Biesiada & Izabela Michalak & Paweł Pacyga, 2020. "The Effect of Botanical Extracts Obtained through Ultrasound-Assisted Extraction on White Head Cabbage ( Brassica Oleracea L. Var. Capitata L.) Seedlings Grown under Controlled Conditions," Sustainability, MDPI, vol. 12(5), pages 1-31, March.
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