Seed priming induces biochemical changes in melon plants and increase salt tolerance

An experiment was conducted to evaluate the effect of priming on germination and initial growth of melon plants under salinity conditions. Two osmotic agents (NaCl and CaCl2) and two treatment durations (2 and 4 days) were compared. Germination percentage and growth of seedlings were evaluated at el...

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Detalles Bibliográficos
Autores: Castañares, Jose Luis, Bouzo, Carlos Alberto
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:Argentina
Institución:Instituto Nacional de Tecnología Agropecuaria
Repositorio:INTA Digital (INTA)
Idioma:inglés
OAI Identifier:oai:localhost:20.500.12123/7961
Acceso en línea:http://ria.inta.gob.ar/contenido/ria-46-no-2-agosto-2020
http://hdl.handle.net/20.500.12123/7961
Access Level:acceso abierto
Palabra clave:Melón
Cucumis melo
Tolerancia a la Sal
Estrés Osmótico
Estrés Oxidativo
Melons
Salt Tolerance
Osmotic Stress
Oxidative Stress
Estrés Salino
Descripción
Sumario:An experiment was conducted to evaluate the effect of priming on germination and initial growth of melon plants under salinity conditions. Two osmotic agents (NaCl and CaCl2) and two treatment durations (2 and 4 days) were compared. Germination percentage and growth of seedlings were evaluated at electrical conductivity 8.0 dS m-1. Total chlorophyll content, relative water content, root viability, proline content, relative electrolyte leakage, malondialdehyde concentration, peroxidase and catalase activity, Na+/K+ ratio in green parts, and K+ leakage from roots were measured. The best germination was obtained when seeds were soaked either with NaCl or CaCl2 for two days. Priming improved growth parameters and plants presented a better response in all the evaluated biochemical parameters. Results suggest that priming could be used to improve the performance of seeds and seedlings in situations of high salinity.