Responses of Carob Plants to Salt Stress

Abstract

Increasing soil salinization threatens agriculture and biodiversity by limiting ecosystem productivity and resilience. Carob (Ceratonia siliqua L.), native to Mediterranean regions, is notable for its drought tolerance and adaptability to degraded soils. This study examines the morphological, physiological, and biochemical responses of six Moroccan carob ecotypes to NaCl-induced salt stress under greenhouse conditions. Results reveal significant variability among ecotypes, emphasizing the role of genetic diversity in adaptation. Key parameters, such as proline and total sugar content, highlight promising adaptation mechanisms. Tolerant ecotypes could aid in saline soil restoration and support sustainable agriculture, positioning carob as a strategic resource for combating desertification and promoting resilient agroecosystems.