Integrated Quality Regulation in Horticultural Crops

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 521

Special Issue Editors

College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
Interests: cultivation; fruit quality; bioactive compounds; resistant physiology; photosynthetic metabolism
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Guest Editor
College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
Interests: fruit tree cultivation; graft; rootstock

Special Issue Information

Dear Colleagues,

The quality of horticultural crops, encompassing traits such as nutritional value, flavor profiles, visual appeal, and postharvest longevity, is of paramount importance for both consumer satisfaction and agricultural sustainability.

This Special Issue focuses on the multifaceted regulation of quality attributes through the integration of innovative cultivation strategies and cutting-edge molecular approaches. We welcome research exploring how agronomic practices—including environmental control, nutrient management, and precision irrigation—influence plant quality traits. Concurrently, investigations into molecular pathways, such as gene expression networks, phytohormone signaling, and epigenetic modifications that underlie quality formation, are highly encouraged. Studies leveraging omics technologies (genomics, transcriptomics, metabolomics) combined with classical genetic approaches to dissect quality-related traits are particularly relevant. Additionally, research addressing the impacts of abiotic/biotic stress on quality, postharvest physiology, and the interplay between primary and secondary metabolism in regulating nutritional or sensory attributes is welcome.

By bridging cultivation techniques and molecular regulation, this Issue aims to advance our understanding of how to sustainably enhance horticultural crop quality. Contributions spanning original research, reviews, and perspectives that provide theoretical insights or practical applications in quality regulation are welcomed.

Dr. Bo Xiong
Prof. Dr. Zhihui Wang
Guest Editors

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Keywords

  • horticultural crop quality
  • postharvest longevity
  • nutritional value
  • flavor profiles
  • visual appeal
  • environmental control
  • nutrient management
  • precision irrigation
  • gene expression networks
  • phytohormone signaling
  • epigenetic modifications
  • abiotic stress
  • biotic stress

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Published Papers (1 paper)

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Research

17 pages, 1101 KB  
Article
Exogenous Dopamine Alleviates Combined High Temperature and Drought Stress in Loquat [Eriobotrya japonica (Thunb.) Lindl.] Seedlings: Improvements in Photosynthetic Efficiency, Oxidative Damage and Osmotic Regulation
by Xian Luo, Ya Luo, Xiao-Li Wang, Xiao-Mei Kong, Hui-Fen Zhang, Li-Jin Lin, Yu-Xing Li, Ke-Wen Huang, Qun-Xian Deng and Yong-Xia Jia
Plants 2025, 14(17), 2650; https://doi.org/10.3390/plants14172650 - 26 Aug 2025
Viewed by 306
Abstract
In recent years, high temperature and drought have severely impacted the growth and development of loquat [Eriobotrya japonica (Thunb.) Lindl.] plants. Although dopamine can improve the stress resistance of plants, its role in combined stress requires further exploration. This study investigated the [...] Read more.
In recent years, high temperature and drought have severely impacted the growth and development of loquat [Eriobotrya japonica (Thunb.) Lindl.] plants. Although dopamine can improve the stress resistance of plants, its role in combined stress requires further exploration. This study investigated the alleviative effect and mechanism of exogenous dopamine on loquat seedlings subjected to the combined stress of high temperature and drought. The combined stress significantly reduced root viability, photosynthetic pigment content, and net photosynthetic rate (Pn) while markedly increasing reactive oxygen species (ROS) levels, thiobarbituric acid-reactive substances (TBARS) content, and electrolyte leakage (EL). The seedlings exhibited pronounced wilting symptoms, along with markedly reduced root surface area and volume. Dopamine treatment significantly alleviated combined stress-induced damage. This mitigation was manifested through substantially enhanced root viability, photosynthetic pigment content, Pn, antioxidant enzyme activities, and osmotic adjustment substances concomitantly with marked reductions in ROS, TBARS content, and EL. Dopamine significantly reduced seedling wilting severity and improved root morphological parameters. This study demonstrates that dopamine enhances loquat seedlings’ tolerance to combined stress through coordinated mechanisms: maintaining photosynthetic pigments and improving stomatal conductance to sustain photosynthetic efficiency, enhancing antioxidant enzyme activity and ROS scavenging capacity to mitigate oxidative damage, and promoting osmotic solute accumulation for osmotic potential regulation. Full article
(This article belongs to the Special Issue Integrated Quality Regulation in Horticultural Crops)
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