Potential Use of Sargassum Muticum as a Source of Plant Biostimulants for the Germination and Growth of Radish (Raphanus sativus L.) Through the Application of Eco-Friendly Extracts for Sustainable Agriculture

Lahcen Jadour; Abderrahmane Aamiri; Ichraq Ben Elfkih; Yasmine Touhamia; kharbouch Barhoum; Hassan Bouguiri; Nor-Eddine Rezzoum; Abdelaziz Mimouni; Touria Ould Bel Lahcen

doi:10.63095/NBSEH.26.150470

Authors

Lahcen Jadour Health, Environment and biotechnology Laboratory, Department of Biology, Faculty of Science Ain Chock, University Hassan II of Casablanca (ROR: https://ror.org/001q4kn48), Morocco.
Abderrahmane Aamiri Health, Environment and biotechnology Laboratory, Department of Biology, Faculty of Science Ain Chock, University Hassan II of Casablanca (ROR: https://ror.org/001q4kn48), Morocco.
Ichraq Ben Elfkih Health, Environment and biotechnology Laboratory, Department of Biology, Faculty of Science Ain Chock, University Hassan II of Casablanca (ROR: https://ror.org/001q4kn48), Morocco.
Yasmine Touhamia Health, Environment and biotechnology Laboratory, Department of Biology, Faculty of Science Ain Chock, University Hassan II of Casablanca (ROR: https://ror.org/001q4kn48), Morocco.
kharbouch Barhoum Society Agrivivos , Haliopolis park , Drarga, Agadir, Morocco.
Hassan Bouguiri Society Agrivivos , Haliopolis park , Drarga, Agadir, Morocco.
Nor-Eddine Rezzoum Coastal Resources Prospecting Laboratory, Regional Center of the National Institute of Fisheries Research of Casablanca (ROR: https://ror.org/03zhpcf80), Morocco.
Abdelaziz Mimouni Regional Center for Agricultural Research, National Institute of Agronomic Research (INRA) (ROR: https://ror.org/05y503v71), Agadir, Morocco.
Touria Ould Bel Lahcen Health, Environment and biotechnology Laboratory, Department of Biology, Faculty of Science Ain Chock, University Hassan II of Casablanca (ROR: https://ror.org/001q4kn48), Morocco.

DOI:

https://doi.org/10.63095/NBSEH.26.150470

Keywords:

Sargassum muticum, Seaweed biostimulant, Raphanus sativus, Sustainable agriculture, Plant growth promotion

Abstract

In recent years, seaweed has gained increasing attention for its biostimulatory properties, offering sustainable alternatives to synthetic fertilizers and pesticides. This study evaluated the biostimulant potential of the alien brown alga Sargassum muticum on seed germination and the growth of radish plants (Raphanus sativus L.) through in vitro assays and greenhouse experiments under natural conditions. Two eco-friendly extracts (hot and cold) were prepared and applied at different concentrations. Low extract concentrations (10% and 20%) significantly enhanced seed germination and early seedling growth, notably stem length and fresh biomass. Under greenhouse conditions, treated plants showed increased total height, leaf development, fresh weight, and calcium content, with the most pronounced effects observed with the high-concentration cold extract (7%). These findings highlight the strong biostimulant potential of S. muticum and support its use as a natural biofertilizer for sustainable agriculture.

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