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Introduction.Thelowmolecularweightcompounds,triterpeneglycosides,arecharacteristicofseacucumbers(Holothuroidea,Echinodermata)andwidely ...

Phytohormones are naturally occurring low molecular weight compounds that influence plants physiological processes at required low concentrations (10−6 to 10−5 mol/L) and play essential roles in regulating plant growth and development [24]. Such molecules are plants secondary metabolites, acting as chemical messengers among cells, tissues, and organs, regulating growth rates by promoting or inhibiting development [24]. Importantly, molecules applied to plants to increase or elicit hormone biosynthesis are called growth regulators [25].

Seaweeds and microalgae have been recognized as sources of phytohormones and their biomasses or extracts have been used in agriculture aiming to increase food production. Indeed, algae have been used for centuries in agriculture to im...