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Table 1 A summary of six commercial biostimulant formulations showing major and minor active components, active compounds with targeted stress factors, supporting references and recommended field application range or rate

From: Physicochemical analyses of plant biostimulant formulations and characterisation of commercial products by instrumental techniques

Formulation name Major component Minor component Active compounds Target stress factors Field application range or rate/ha Mid-point of application ratea
Rygex Humic acids, algal extracts Amino acids Humic acid, amino acid, alginates and minerals Drought and salt stress Foliar: 20–30 kg in 300 l 25 kg/300 l
Algavyt Algal extracts Amino acids Mannitol, amino acid and minerals Drought and cold stress Foliar 100–150 g in 100 l 125 g in 100 l
Ryzoset Plant extracts, polysaccharides Lipids Amino acid, lipids, saponins, Enhanced root growth to reduce abiotic and biotic stresses Foliar: 20 l in 300 l
Manek Fatty acid/vegetable oil Plant extracts Fatty acid, alkaloid, phenol, diterpenes, glucosinolates, tannins Enhanced resistance to biotic stress Fertigation: 15 l in 300 l
Ecoryg Plant peptides, amino acids Minerals Amino acid, proteins and minerals Drought stress Foliar: 70–150 kg in 300 l 110 kg/300 l
Algavyt Zn/Mn Algal extracts Amino acids, minerals Alginates, amino acid, minerals Biotic stress Foliar: 100–150 g in 100 l 125 g/100 l
  1. aMid-point of the recommended application range was used as test concentrations for the DLS analysis of Rygex, Algavyt, Ecoryg and Algavyt Zn/Mn and recommended application rate for Ryzoset and Manek only