IBAM   22618
INSTITUTO DE BIOLOGIA AGRICOLA DE MENDOZA
Unidad Ejecutora - UE
artículos
Título:
ECo-friendly postharvest protection: Larrea cuneifolia-nades extract against Botrytis cinerea
Autor/es:
ESPINO, MAGDALENA; SILVA, MARÍA F.; FERNÁNDEZ, MARÍA A.; BOITEUX, JOANA; PIZZUOLO, PABLO
Revista:
REVISTA DE LA FACULTAD DE CIENCIAS AGRARIAS DE LA UNIVERSIDAD NACIONAL DE CUYO
Editorial:
UNIV NACIONAL CUYO
Referencias:
Lugar: Mendoza; Año: 2019 vol. 51 p. 427 - 437
ISSN:
0370-4661
Resumen:
Botrytis cinerea is a ubiquitous fungus causing gray mold, the main postharvest disease in fruit, which implies important economic losses in agriculture. With growing concern over health and environmental effects of pesticides, the search for eco-friendly alternatives is a clear priority. Plant extracts represent a rich source of biocompounds with attractive antimicrobial properties. In the last decade, Natural Deep Eutectic Solvents (NADES) has emerged as an auspicious green extraction media to achieve bioextract for a sustainable postharvest control. In the present study, a novel L. cuneifolia NADES-based bioextract was evaluated against B. cinerea. To this purpose, a NADES composed by lactic acid, glucose and water (LGH) was used as extracting agent and compared with traditional solvents in terms of antioxidant capacity and total phenolic content. Furthermore, the bioextract antifungal activity was tested in vitro and also in vivo on artificially inoculated grapes, in order to obtain preliminary data about the efficacy on gray mold development. The antimicrobial activity of the bioextract was assessed using agar diffusion method against B. cinerea, inhibition of 92% was achieved with the bioextract at 2%. Notably, L. cuneifolia bioextract showed an excellent performance for gray mold control on grapes, supporting their potential as alter-native green fungicide.