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Seaweeds for plant disease management: current research advances and future perspectives

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Abstract

Plant diseases cause significant damage to global agriculture, leading to crop loss and reduced crop quality and nutritional value. Traditional methods of controlling plant diseases, such as synthetic pesticides and fungicides, have negative impacts on human health and the environment. As a result, there has been increasing interest in finding more efficient and safe approaches to manage plant diseases. Seaweeds (marine macroalgae) have been shown to be a promising alternative for managing plant diseases. Chemical components found in seaweeds activate plants’ defense, helping them to become more resistant to pathogens. Research has shown that seaweeds and seaweed extracts regulated various defense mechanisms in plants, including hormonal pathways, oxidative burst, antioxidant enzymes, and stress-associated genes. This review summarizes recent advances in the use of seaweeds to control plant diseases and discusses the mode of action and the physiological, biochemical, and molecular pathways involved in seaweed-induced pathogen tolerance.

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Funding

B.P.’s lab was supported by NSERC-DG grant 1177546 and MITACS.

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Contributions

R.B, P.M: Data acquisition and interpreting the relevant literature, Writing the original manuscript and revision, Figure design. S.B: Data acquisition and interpreting the relevant literature, Writing the original manuscript and revision. M.Z: Data acquisition and interpreting the relevant literature, Writing the original manuscript. B.P: Conception and design, Supervision, Funding acquisition, Writing the original manuscript and revision. All authors read and approved the final version of manuscript.

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Correspondence to Balakrishnan Prithiviraj.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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The authors declare no competing interests.

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Bahmani, R., More, P., Babarinde, S. et al. Seaweeds for plant disease management: current research advances and future perspectives. Phytoparasitica 51, 783–802 (2023). https://doi.org/10.1007/s12600-023-01074-x

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  • DOI: https://doi.org/10.1007/s12600-023-01074-x

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