Artículo
Native rhizobacteria improve drought tolerance in tomato plants by increasing endogenous melatonin levels and photosynthetic efficiency
Jofré, María Florencia
; Mammana, Sabrina Belén
; Pérez Rodriguez, María Micaela
; Silva, María Fernanda
; Gomez, Federico Jose Vicente
; Cohen, Ana Carmen
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Fecha de publicación:
04/2024
Editorial:
Elsevier Science
Revista:
Scientia Horticulturae
ISSN:
0304-4238
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Global food productivity is a growing concern due to increasing agricultural losses caused by biotic and abiotic stresses. Drought is one of the biggest threats to crop productivity. A promising alternative to maintain crop yields is the use of plant growth promoting rhizobacteria (PGPR). A recently found phytohormone produced by PGPR, melatonin, has an important role in the tolerance of plant to abiotic stress. The aim of this study was to evaluate the effects of the inoculation with Pseudomonas 42P4 and Enterobacter 64S1 on the growth, biochemical, and physiology of tomato plants under drought stress. The results showed that PGPR inoculation increased growth parameters, total chlorophyll content, and chlorophyll fluorescence parameters of tomato plants under drought stress. Native PGPR inoculation increased endogenous melatonin and the accumulation of proline levels and reduced lipid peroxidation, thus improving the drought tolerance of tomato plants. The findings of this study suggest that these native strains are able to reduce the impact of drought and could be a potent alternative to maintain crop productivity.
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Articulos(IBAM)
Articulos de INST.DE BIOLOGIA AGRICOLA DE MENDOZA
Articulos de INST.DE BIOLOGIA AGRICOLA DE MENDOZA
Citación
Jofré, María Florencia; Mammana, Sabrina Belén; Pérez Rodriguez, María Micaela; Silva, María Fernanda; Gomez, Federico Jose Vicente; et al.; Native rhizobacteria improve drought tolerance in tomato plants by increasing endogenous melatonin levels and photosynthetic efficiency; Elsevier Science; Scientia Horticulturae; 329; 4-2024; 1-11
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