Physiology and Fruit Quality of Temperate Fruit Crops

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Fruit Production Systems".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 1836

Editors

Institute of Forestry and Pomology, Beijing Academy of Agriculture and Forestry Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China), Ministry of Agriculture and Rural Affairs, Beijing Engineering Research Center for Deciduous Fruit Trees, Beijing 100093, China
Interests: cultivation; water-saving irrigation; salinity stress; soil amelioration; fruit quality

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Guest Editor
College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
Interests: germplasm innovation; cultivation practices; fruit quality formation and regulation; rootstock-scion interaction
College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
Interests: fruit tree cultivation; fruit quality; fruit physiological disorder

Special Issue Information

Dear Colleagues,

Crop physiological indicators serve to quantify the invisible life processes of crops, providing scientifically grounded management insights for agricultural production. By monitoring key parameters such as the photosynthetic rate, water potential, chlorophyll fluorescence, and enzyme activity, early warnings for stressors like drought and salinity can be issued before visible symptoms emerge, while the intrinsic mechanisms governing yield formation and fruit quality accumulation can be precisely elucidated. These indicators can guide precise irrigation, fertilization, and cultivation practices, promoting sustainable agricultural development.

Fruit quality acts as a critical link between agricultural production and consumer markets. Its significance is multifaceted. It directly determines economic value, as visual traits combined with functional components like sugar–acid balance, aroma, and nutritional content form the foundation of market competitiveness; additionally, high-quality fruits generally exhibit superior postharvest durability, effectively reducing losses and enhancing efficiency across the supply chain.

This Special Issue aims to gather research concerning physiological indicators and fruit quality in temperate fruit crops. It focuses on the impacts of various factors—including soil management practices, cultivation techniques, irrigation methods, fertilization strategies, modern agricultural technologies, and different cultivars—on the physiological and ecological parameters of temperate fruit crops and on fruit quality attributes (such as size, shape, appearance, yield, maturation period, sugar–acid content, vitamin C levels, and various volatile aromatic compounds). Submissions should aim to enhance production efficiency in temperate fruit crop systems.

Dr. Yang Wu
Dr. Qingjiang Wei
Dr. Xiao Liu
Guest Editors

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Keywords

  • biotic stress
  • abiotic stress
  • cultivation practices
  • nutritional content
  • economic benefits
  • horticultural production
  • labor-saving cultivation

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Published Papers (1 paper)

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Research

23 pages, 6059 KB  
Article
Dynamic Profiling of Fruit Quality Attributes During Development Reveals the Early-Ripening Advantage in ‘Longhuihong’ Navel Orange, a Bud Mutant of ‘Newhall’
by Xuezhen Yang, Ming Chen, Xiu Chen, Qiaoli Ma, Miaolian Xiang, Tongqi Huang, Ming Chen, Zhuohua Li, Xinxiang Meng, Xichu Yu and Jinyin Chen
Horticulturae 2026, 12(5), 548; https://doi.org/10.3390/horticulturae12050548 - 29 Apr 2026
Viewed by 1513
Abstract
Citrus bud mutants provide valuable genetic resources for breeding early-ripening cultivars with improved fruit quality. However, the physiological mechanisms underlying early ripening traits remain poorly understood. To elucidate the physiological basis for the early-ripening phenotype of the bud mutant ‘Longhuihong’ navel orange, fruit [...] Read more.
Citrus bud mutants provide valuable genetic resources for breeding early-ripening cultivars with improved fruit quality. However, the physiological mechanisms underlying early ripening traits remain poorly understood. To elucidate the physiological basis for the early-ripening phenotype of the bud mutant ‘Longhuihong’ navel orange, fruit development was systematically monitored from 60 to 240 days after full bloom over two consecutive growing seasons, with the maternal cultivar ‘Newhall’ serving as a control. The results demonstrate that the precocity of ‘Longhuihong’ arises from the coordinated optimization of multiple fruit quality traits in this cultivar. The mutant exhibited enhanced fruit growth potential, with an average increase of 12.07–15.92% in single fruit weight. Peel coloration was significantly accelerated, as reflected by the faster coloring rate. Internal quality development followed a distinct pattern, characterized by high sugar accumulation, rapid acid degradation, and elevated vitamin C content. Notably, citric acid metabolism in ‘Longhuihong’ displayed a unique biphasic profile: substantial accumulation in the early stage, followed by rapid degradation in the later stage, which advanced the peak of the TSS/TA ratio by approximately 15 days. Principal component analysis further confirmed that the early ripening trait represents a systemic and integrated advancement in fruit size, sugar–acid balance, and peel pigmentation. Collectively, these findings provide a comprehensive understanding of the physiological mechanisms underlying precocity in ‘Longhuihong’ and offer key indices for breeding high-quality, early-ripening citrus cultivars. Full article
(This article belongs to the Special Issue Physiology and Fruit Quality of Temperate Fruit Crops)
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