Effect of elicitors and biostimulants on the content of bioactive compounds in raspberry fruits

Nayelli Azucena Sigala Aguilar, Jose Antonio Gonzales Fuentes, Luis Alonso Valdez Aguilar, Mercedes Guadalupe López Pérez, Julia Medrano Macias Medrano Macias, Adalberto Benavides-Mendoza Benavides Mendoza and Susana González Morales
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Nayelli Azucena Sigala Aguilar: Departament of Horticulture, Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México
Luis Alonso Valdez Aguilar: Departament of Horticulture, Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México
Mercedes Guadalupe López Pérez: Department of Biotechnology and Biochemistry, Center for Research and Advanced Studies of the IPN-Irapuato Unit (CINVESTAV), Irapuato, México
Julia Medrano Macias Medrano Macias: Departament of Horticulture, Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México
Adalberto Benavides-Mendoza Benavides Mendoza: Departament of Horticulture, Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México
Susana González Morales: CONACYT - Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, México

Horticultural Science, 2023, vol. 50, issue 2, 101-111

Abstract: Raspberry has acquired great interest in human health due to its content of bioactive compounds that provide protection against diseases caused by non-communicable diseases. Bioactive compounds are mainly represented by secondary metabolites such as phenols, anthocyanins, and flavonoids. Biostimulants and elicitors are substances or microorganisms that provide protection and defence to the physiological processes of plants. The present study evaluated the effect of two elicitors (hydrogen peroxide, salicylic acid) and three biostimulants (humic and fulvic acids, glutamic acid, seaweed extracts) on the content of bioactive compounds in raspberry fruits, agronomic and fruit yield parameters in plants. Hydrogen peroxide increased the content of bioactive compounds such as flavonoids, anthocyanins, omega 3 and oleic acid. Salicylic acid increased the content of flavonoids, anthocyanins, and citric acid in raspberry fruits; the number of fruit loaders and fruits per plant was also increased. Humic and fulvic acids, glutamic acid, and glutamic acid combined with seaweed extracts increased the content of flavonoids and anthocyanins, without affecting growth parameters and fruit yield. Glutamic acid and seaweed extracts were the only treatments that increased the content of palmitic acid, while seaweed extracts increased °Brix content in fruits.

Keywords: fulvic acids; humic acids; seaweed extracts; hydrogen peroxide; salicylic acid; oxidative stress (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:50:y:2023:i:2:id:98-2021-hortsci

DOI: 10.17221/98/2021-HORTSCI

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