ArticleFrontiers in plant science2026
Harnessing foliar-applied melatonin to improve yield and stress tolerance in tomato (
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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12 authors.
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Abstract
Introduction: Drought stress severely constrains global crop production, limiting growth, yield, and fruit quality. This study evaluated the efficacy of foliar-applied melatonin (MT) in enhancing drought tolerance in tomato ( Methods: A two-season field experiment employed a split-plot design with three replications, testing two irrigation regimes [full irrigation (FI; 100% crop evapotranspiration, ETc) and deficit irrigation (DI; 60% ETc)], combined with five foliar MT concentrations (0, 50, 100, 150, and 200 µM) applied as foliar sprays. Results: DI alone significantly ( Discussion: These findings establish foliar MT application at 100 μM as an effective biostimulant strategy for sustaining tomato productivity under water-limited conditions, operating through coordinated key physiological and biochemical defense mechanisms. This approach offers a practical pathway toward more resilient crop production in water-scarce environments.
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