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Agronomy
Special Issues
Variety Breeding and Cultivation Techniques of Stone Fruit Trees
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Variety Breeding and Cultivation Techniques of Stone Fruit Trees

A special issue of Agronomy (ISSN 2073-4395).

Deadline for manuscript submissions: closed (25 February 2023) | Viewed by 4432

Special Issue Editors

Prof. Dr. Dongliang Qiu

E-Mail Website
Guest Editor
College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Interests: fruit trees; fruit quality; facility horticulture
Special Issues, Collections and Topics in MDPI journals
Dr. Cuilan Ma

E-Mail Website
Guest Editor
College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Interests: physiology, biochemistry and molecular biology of fruit tree; cultivation techniques of fruit tree; fruit nutrition and quality; fruit variety breeding
Dr. Tengfei Pan

E-Mail Website
Guest Editor
College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Interests: palynology; morphology; molecular marker; genetic diversity

Special Issue Information

Dear Colleagues,

The productivity and quality of stone fruit trees (peach, plum, apricot, cherry, olive, etc.) can be dramatically reduced by climate change. Improving the performance of cultivars in limited resources and new cultivation approaches may both be required for resolving these issues global stone fruit tree production. New biological technologies such as next-generation sequencing, high-throughput phenomics and high-throughput genotyping can be used in breeding programs for accelerating the development of new or improved cultivars. Phenomics may predict complex traits such as abiotic stresses, and genomics can be an approach used in gene discovery for traits of interest and development of molecular markers. In addition, these high-throughput technologies can be used for plant selection in breeding programs. This Topic aims to promote research on the improvements in stone fruit tree cultivars using selection methods such as marker-assisted selection, genomics, and phenomics, and new cultivar-matched cultivation techniques and strategies are themes to be explored. In this Topic, we encourage the submission of original research papers or reviews on the development of cultivars and the relationships between phenotype and genotype using a new plant science approaches. Obviously, papers relating to cultivar-matched cultivation techniques and strategies to improve the yield, quality, and abiotic stresses in stone fruit trees are also welcome.

Prof. Dr. Dongliang Qiu
Dr. Cuilan Ma
Dr. Tengfei Pan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com 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. Agronomy 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 2600 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

stone fruit trees;

breeding;

phenomics;

cultivation technique

Published Papers (2 papers)

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Research

15 pages, 4225 KiB  
Article
Effects of Exogenous Substances Treatment on Fruit Quality and Pericarp Anthocyanin Metabolism of Peach
by Yidan Kou, Jinpeng Ren, Yujie Ma, Rongrong Guo, Juane Shang, Dongliang Qiu and Cuilan Ma
Agronomy 2023, 13(6), 1489; https://doi.org/10.3390/agronomy13061489 - 28 May 2023
Viewed by 1877
Abstract
In this study, the two peach cultivars ‘Baifeng’ and ‘Weiduanmihong’ were used as experimental materials, and their fruits were sprayed with different concentrations of L-glutamic acid, brassinolide, and sucrose to study the effects of these three exogenous substances on fruit quality and anthocyanin [...] Read more.
In this study, the two peach cultivars ‘Baifeng’ and ‘Weiduanmihong’ were used as experimental materials, and their fruits were sprayed with different concentrations of L-glutamic acid, brassinolide, and sucrose to study the effects of these three exogenous substances on fruit quality and anthocyanin metabolism of peaches. The results showed that the appearance quality (average single fruit weight, fruit firmness, and peel color difference), nutritional quality (soluble solids, soluble sugar, titratable acid, anthocyanins, total phenols, flavonoids, etc.), peel anthocyanin-related enzyme activity, and related gene expression of ‘Baifeng’ and ‘Weiduanmihong’ peaches treated with three different exogenous substances were different from those of the control. Higher-concentration treatments could significantly improve the appearance of peach fruit, the nutritional quality of peach fruit and the activity of anthocyanin-related enzymes in peel, as well as promote the expression of related genes. Treatment with 400 mg/L L-glutamic acid significantly promoted the average fruit weight of ‘Baifeng’ peaches. Treatment with 800 mg/L L-glutamic acid significantly promoted the increase in PAL enzyme activity and the expression of PpPAL and PpF3H in the two peach varieties and significantly promoted the expression of anthocyanin metabolism genes PpF3′H and PpGST1 in ‘Baifeng’ peach peel and anthocyanin metabolism gene PpUFGT in ‘Weiduanmihong’ peach peel. Treatment with 34 mg/L sucrose significantly increased the fruit firmness of ‘Baifeng’ peaches and the soluble sugar content of ‘Weiduanmihong’ peaches. Treatment with 51 mg/L sucrose significantly promoted the increase in flavonoid content and PpUFGT expression in ‘Baifeng’ peach fruit and significantly promoted the expression of anthocyanin metabolism genes PpDFR and PpANS in ‘Weiduanmihong’ peach peel. Treatment with 0.6 mg/L brassinolide significantly promoted the increase in soluble solids (TTS), soluble sugar, anthocyanin, total phenol content, PAL enzyme activity, UFGT enzyme activity, and the expression of anthocyanin metabolism genes PpDFR and PpMYB10.1 in ‘Baifeng’ peach fruit, and it significantly increased the average single fruit weight, fruit hardness, anthocyanin content, and UFGT enzyme activity of ‘Weiduanmihong’ peach fruit and promoted the expression of anthocyanin metabolism genes PpF3H and PpGST1 in ‘Weiduanmihong’ peach peel. The comprehensive effect of 0.6 mg/L brassinolide treatment on improving peach fruit quality and increasing anthocyanin content produces the best results and could be popularized in production practices. Full article
(This article belongs to the Special Issue Variety Breeding and Cultivation Techniques of Stone Fruit Trees)
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18 pages, 3434 KiB  
Article
Accumulation of Polyphenolics and Differential Expression of Genes Related to Shikimate Pathway during Fruit Development and Maturation of Chinese Olive (Canarium album)
by Jingrong Cai, Naiyu Wang, Junyue Zhao, Yan Zhao, Rong Xu, Fanghao Fu, Tengfei Pan, Yuan Yu, Zhixiong Guo and Wenqin She
Agronomy 2023, 13(3), 895; https://doi.org/10.3390/agronomy13030895 - 17 Mar 2023
Cited by 2 | Viewed by 1228
Abstract
Phenolics in the Chinese olive (Canarium album (Lour.) Raeusch) fruit significantly affect its flavor and quality. The shikimate pathway is a bridge connecting primary metabolism and secondary metabolism through which fixed carbon can be transformed into phenolics. In this study, we aimed [...] Read more.
Phenolics in the Chinese olive (Canarium album (Lour.) Raeusch) fruit significantly affect its flavor and quality. The shikimate pathway is a bridge connecting primary metabolism and secondary metabolism through which fixed carbon can be transformed into phenolics. In this study, we aimed to reveal the relationship between the shikimate pathway and phenolic compound biosynthesis. Three Chinese olive fruits (cv. Tanxiang (TX), Changying (CY) and Lingfeng (LF)) with distinct flavor were utilized as materials. The results of this study showed that the synthesis and accumulation of quinate and gallate were active in the Chinese olive fruit. The accumulation amount of phenolic compounds was significantly different among the three cultivars. TX contained the highest content of ellagate, (iso)corilagin, conjugated quercetin and conjugated kaempferol; CY contained the highest content of conjugated luteolin; and LF contained the lowest content of ellagate, conjugated gallate, hyperin, conjugated quercetin, conjugated kaempferol and conjugated luteolin during fruit development. The expression of 3-dehydroquinate/shikimate dehydrogenase gene-4 (DHD/SDH-4), 3-dehydroquinate synthase gene (DHQS), chorismate synthase gene (CS) and Chorismate mutase gene-1 (CM-1) and shikimate content increased with the maturing of fruit. The gene 3-Deoxy-D-arabino-heptulosonate-7-phosphate synthase gene-1 (DAHPS-1) was most expressed in TX, while barely expressed in LF during fruit development. The expression of CM-1 was highest in CY. Chorismate mutase gene-2 (CM-2) expression was higher in TX and CY during late fruit development. The cultivars with higher expression of DAHPS-1 and Chorismate mutase genes (CMs) accumulated more phenolic compounds in fruit. DAHPS-1 and CMs are proposed as key genes for polyphenolic synthesis in the Chinese olive fruit. These results proved that shikimate metabolism had a positive effect on the phenols’ synthesis. Our study provides new insight into the regulatory mechanism of the biosynthesis and accumulation of phenolic compounds in the fruit of Chinese olive. Full article
(This article belongs to the Special Issue Variety Breeding and Cultivation Techniques of Stone Fruit Trees)
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