Fruit Quality and Ripening in Prunus

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Developmental Physiology, Biochemistry, and Molecular Biology".

Deadline for manuscript submissions: closed (20 September 2021) | Viewed by 2830

Special Issue Editor


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Guest Editor
Department of Plant Breeding, CEBAS-CSIC, P.O. Box 164, 30100 Murcia, Spain
Interests: fruit trees; Prunus; fruit quality; postharvest; sensory quality; genomics; transcriptomics; epigenetics
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Special Issue Information

Dear Colleagues,

Fruit quality and ripening processes in stone fruits trees such as Prunus species are relevant aspects to consider by breeders in any breeding program in order to select the best genotypes depending on the desired fruit characteristics. Fruit quality is defined by pomological traits, which are sensorially perceived by consumers, with the latter providing valuable information about greater or lower acceptance from a sensorial point of view. Therefore, fruit quality is closely linked to sensorial perception, meaning one concept would not be understood without the other. It is important to discern physiological and commercial maturity in order to define the treatments or storage conditions suitable for acceptable post-harvest behavior, with the aim of finding a balance between the shelf-life period and fruit quality, which will allow a wider marketing window, along with high fruit quality and great sensory appeal. To date, fruit quality and ripening have been extensively studied in stone fruit trees, considering the different levels of the molecular bases involved in the phenotypic traits, including the genomics, transcriptomics, and to a lesser extent proteomics and epigenetics. However, in spite of the advances in the last decades, it is still necessary to unravel the questions that arise in terms of ripening and fruit quality, as well as the interrelationships between them. One of the great challenges of the study of fruit quality traits is due to the polygenic nature and quantitative inheritance, largely due to the large number of physiological processes that take place during the fruit ripening process in the pre- and post-harvest stages.

This Special Issue focusing on fruit quality and ripening is intended to generate a comprehensive picture of the fruit quality- and ripening-related traits through the work of talented researchers. You are kindly invited to submit advanced works concerning the pre- and post-harvest management factors related to fruit quality and ripening, as well all processes that take place at genomic, transcriptomic, proteomic, and epigenetic levels. 

You may choose our Joint Special Issue in Plants.

Dr. Juan A. Salazar
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Horticulturae is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fruit trees
  • Prunus
  • post-harvest
  • fruit quality
  • sensory quality
  • genomics
  • transcriptomics
  • proteomics
  • epigenetics

Published Papers (1 paper)

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Research

13 pages, 2816 KiB  
Article
Exogenous Application of Proline and L-Cysteine Alleviates Internal Browning and Maintains Eating Quality of Cold Stored Flat ‘Maleki’ Peach Fruits
by Gholamreza Gohari, Sanaz Molaei, Azizollah Kheiry, Mahshid Ghafouri, Farhang Razavi, Jose M. Lorenzo and Antonio Juárez-Maldonado
Horticulturae 2021, 7(11), 469; https://doi.org/10.3390/horticulturae7110469 - 5 Nov 2021
Cited by 18 | Viewed by 2410
Abstract
The postharvest life of flat peach fruit is limited by the appearance of chilling injury symptoms, especially internal browning. In this study, impacts of the exogenous application of proline (0, 5, 10, and 15 mM) and L-cysteine (0, 0.2, 0.4 and 0.6%) on [...] Read more.
The postharvest life of flat peach fruit is limited by the appearance of chilling injury symptoms, especially internal browning. In this study, impacts of the exogenous application of proline (0, 5, 10, and 15 mM) and L-cysteine (0, 0.2, 0.4 and 0.6%) on attenuating chilling injury of flat peach fruit were evaluated all over the cold storage. The results demonstrated that the fruits treated with 15 mM proline and 0.4 % L-cysteine showed lower levels of internal browning and these treatments prevented the excess enhancement of total soluble solids (TSS), the decline of titratable acidity (TA) content and the loss of fruit firmness during storage time. A lower accumulation of hydrogen peroxide (H2O2), malondialdehyde (MDA), electrolyte leakage, and higher activity of antioxidant enzymes, along with higher ascorbic acid content and antioxidant capacity, were observed in treated fruits. Treated fruits also showed higher activity of phenylalanine ammonia lyase (PAL) and conversely lower activity of polyphenol oxidase (PPO), which led to a higher accumulation of total phenols and flavonoids. Moreover, a higher accumulation of endogenous proline was observed in 15 mM proline treated fruits. Eventually, according to our results, the exogenous administration of proline and L-cysteine as safe, natural and environmentally friendly treatments, preserved the nutritional quality of flat peach fruits during long-term cold storage. Full article
(This article belongs to the Special Issue Fruit Quality and Ripening in Prunus)
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