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Effect of exogenous proline on physiological and growth traits of melon seedlings under salt stress

Proline is an amino acid that accumulates in plants in response to stress conditions. Exogenous application of proline has been reported to increase stress tolerance. An experiment was conducted to evaluate the effect of different exogenous proline solutions applied to melon seedlings grown under sa...

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Main Authors: Castañares, Jose Luis, Corvalán, B., Larraburu, Ezequiel Enrique
Format: Artículo
Language:Inglés
Published: Ediciones INTA 2023
Subjects:
Cucumis melo
Melones Bordados
Prolina
Crecimiento
Estrés Osmótico
Clorofilas
Muskmelons
Proline
Growth
Osmotic Stress
Chlorophylls
Melón
Estrés Salino
Salt Stress
Online Access:http://hdl.handle.net/20.500.12123/15295
https://doi.org/10.58149/9e00-7×14
Summary:Proline is an amino acid that accumulates in plants in response to stress conditions. Exogenous application of proline has been reported to increase stress tolerance. An experiment was conducted to evaluate the effect of different exogenous proline solutions applied to melon seedlings grown under saline stress. Four concentrations of proline were evaluated: 0, 5, 10 and 20 mM. Plants were grown at 8.0 dS m-1 electrical conductivity. Plants treated with 10 and 20 mM proline showed higher proline content as well as increased growth parameters. Chlorophyll content was higher in the 10 mM treatment. The results suggest that exogenous application of 10 and 20 mM proline allows plants to increase salt tolerance response.

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