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September 10, 2025Plant Physiology ReportsOpen Access

Morpho-physiological, leaf hyperspectral, and nutritional responses of lettuce to salt stress

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Observational analysis reveals salt stress impacts nutritional content and morphology in lettuce, suggesting implications for hydroponic cultivation.

Salt stress diminished fresh biomass of Green Forest romaine lettuce by 57.3%, while Burgundy Delight saw a 20% lesser reduction in growth.
Photosynthetic efficiency in Green Forest decreased by 19.3% under salt stress, but both traits remained constant in Burgundy Delight.
Lettuce plants exposed to salt stress showed reduced chlorophyll fluorescence averaging 8.5%, with greater losses in Green Forest at 10%.
Burgundy Delight accumulated higher phenolic and flavonoid levels than Green Forest, confirming its potential as a salt-tolerant donor for breeding.

Adhikari et al. (2025) studied this question.

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Observational analysis reveals salt stress impacts nutritional content and morphology in lettuce, suggesting implications for hydroponic cultivation.