Effects of Foliar Treatment and Water Scarcity on Pomological and Biochemical Characteristics of Orange Cultivars During Post-harvest Management

IF 1.2 4区 农林科学 Q3 HORTICULTURE
Tahereh Kakuoi, Esmaeil Ataye Salehi, Elham Mahdian, Javad Fattahi Moghadam
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Abstract

This study investigated the impact of pre-harvest practices and post-harvest procedures on fruit quantity and quality in two orange varieties (‘Valencia’ and ‘Thompson Navel’) stored under traditional (TP) and modified atmosphere packaging (MAP) conditions. Conducted in the Sari region of Iran over 2 years (2021–2022), pre-harvest treatments included water deficit at two levels and foliar spraying of chitosan and melatonin. Post-harvest treatments involved different packaging methods and storage durations. Pomological attributes such as fruit weight and volume were significantly influenced by storage conditions and treatments, with MAP enhancing these attributes while water deficit decreased them. The combined application of chitosan and melatonin increased fruit volume by 40.46% in ‘Valencia’ and 32.29% in ‘Thomson Navel’ compared to control treatments. Biochemical characteristics like vitamin C content, total soluble solids, and tissue firmness decreased during storage but were higher with MAP and lower with water deficit. Total phenolic content rose with storage duration, especially with chitosan and melatonin treatments. Flavonoid compound content varied with storage conditions and treatments. Notably, MAP reduced the content of particular compounds compared to TP. Integrated treatments involving chitosan and melatonin positively affected fruit quality and biochemical properties during storage, suggesting their potential for enhancing post-harvest quality in oranges.

叶面处理和缺水对采后管理期间橘子栽培品种的果实学和生化特性的影响
本研究调查了在传统(TP)和改良气氛包装(MAP)条件下贮藏的两个橙子品种("巴伦西亚 "和 "汤普森脐橙")的采收前实践和采收后程序对果实数量和质量的影响。该研究在伊朗萨里地区进行,为期两年(2021-2022 年),采前处理包括两级缺水以及叶面喷洒壳聚糖和褪黑素。采后处理包括不同的包装方法和贮藏期限。果实重量和体积等果实学属性受贮藏条件和处理的显著影响,MAP 提高了这些属性,而缺水则降低了这些属性。与对照处理相比,壳聚糖和褪黑素的联合应用使 "瓦伦西亚 "和 "汤姆森脐橙 "的果实体积分别增加了 40.46%和 32.29%。维生素 C 含量、总可溶性固形物和组织紧实度等生化特性在贮藏期间下降,但在 MAP 条件下上升,在缺水条件下下降。总酚含量随着贮藏时间的延长而增加,特别是壳聚糖和褪黑激素处理。类黄酮化合物的含量随贮藏条件和处理而变化。值得注意的是,MAP 比 TP 降低了特定化合物的含量。壳聚糖和褪黑激素的综合处理对贮藏期间的果实质量和生化特性有积极影响,表明它们具有提高橘子采后质量的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Erwerbs-Obstbau
Erwerbs-Obstbau 农林科学-园艺
CiteScore
1.70
自引率
15.40%
发文量
152
审稿时长
>12 weeks
期刊介绍: Erwerbs-Obstbau ist als internationales Fachorgan die führende Zeitschrift für Wissenschaftler, Berater und Praktiker im Erwerbsobstbau. Neben den wirtschaftlich führenden Obstarten widmet sich die Zeitschrift auch den Wildobstarten bzw. neuen Obstarten und deren zukünftige Bedeutung für die Ernährung des Menschen. Originalarbeiten mit zahlreichen Abbildungen, Übersichten und Tabellen stellen anwendungsbezogen den neuesten Kenntnisstand dar und schlagen eine Brücke zwischen Wissenschaft und Praxis. Die nach einem Begutachtungsprozeß zur Publikation angenommenen Originalarbeiten erscheinen in deutscher und englischer Sprache mit deutschem und englischem Titel. Review-Artikel, Buchbesprechungen und aktuelle Fachinformationen runden das Angebot ab.
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