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July 10, 2026Agricultural Water ManagementOpen Access

From water scarcity to fruit quality: Continuous deficit irrigation in early-maturing peaches

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Authors

ÀMÀngela Manrique‐AlbaCentre d'Investigacions sobre DesertificacióSASara del Río AyeteEstación Experimental de Aula DeiASAzahara Díaz SimónEstación Experimental de Aula Dei

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Overview

Randomized trial evaluates fruit quality and irrigation productivity in early-maturing peaches under water constraints, suggesting viable practices.

Key Points

  • This study aims to evaluate the impact of Continuous Deficit Irrigation on yield and fruit quality in early-maturing peaches.
  • Conducted over three years in Spain with drip irrigation for early-maturing peaches (cv. ‘Extreme July’)
  • Applied irrigation treatments of 100%, 50%, 25%, and 10% of daily crop evapotranspiration during critical growth stages
  • Measured total yield, water productivity, and fruit quality metrics including firmness and soluble solids content.
  • Total yield remained comparable to the 100% control treatment despite deficits, with maximum water productivity reaching 43.8 kg m⁻³ in the 10% ETc group.
  • Deficit-irrigated fruits had enhanced flesh firmness and soluble solids content, indicating improved internal quality.
  • The 25% ETc treatment balanced fruit quality improvement with physiological sustainability.

Cite This Study

Manrique‐Alba et al. (2026) studied this question.

synapsesocial.com/papers/6a508c2d6eeac72a437a05b3https://doi.org/10.1016/j.agwat.2026.110619
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