Blanca Olivia Trejo-Paniagua1, Nancy Ruiz-Lau2,*, María Goretty Caamal-Chan3, Rosa Isela Cruz-Rodríguez1, Anayancy Lam-Gutiérrez4, Víctor Manuel Ruíz-Valdiviezo1
Phyton-International Journal of Experimental Botany, Vol.94, No.3, pp. 861-873, 2025, DOI:10.32604/phyton.2025.062410
- 31 March 2025
Abstract Exogenous proline is an effective agent for increasing plant tolerance to abiotic stress in plants. In this study, we evaluated its effect on seedlings of Siete Caldos chili pepper (Capsicum frutescens), a semi-domesticated variety. The Capsicum genus is known for its sensitivity to water stress. We pretreated the seedlings’ roots by immersing them in proline solutions (0, 2.5, 5, 7.5, and 10 mM) for 48 h. Then, we exposed them to water stress using a Hoagland nutrient solution supplemented with 10% polyethylene glycol (PEG-8000) for nine days. We analyzed key physiological and biochemical parameters, including relative… More >
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