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Agronomy
Special Issues
Agricultural Systems for Peach Production
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Agricultural Systems for Peach Production

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Horticultural and Floricultural Crops".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3249

Special Issue Editor

Dr. Dario Chavez

E-Mail Website
Guest Editor
Horticulture Institute of Plant Breeding, Genetics and Genomics (IPBGG), University of Georgia, Athens, GA, USA
Interests: orchard management; irrigation and fertilization practices; root interaction; plant breeding

Special Issue Information

Dear Colleagues,

We are pleased to present this Special Issue, focused on the topic of sustainable agricultural systems for peach orchards. It is intended to present the state of the art and to highlight and suggest new ideas and contributions to this topic of particular significance for both scientists and growers.

Peach is one of the most important fruit tree crops globally within the economically important Rosaceae family. Oftentimes, the cropping practices employed in a region for the production of peaches are principally determined by the different environments, water, and nutritional requirements. In this Special Issue, research articles, reviews, and opinion papers addressing peach research, orchard management, orchard management practices, fruit production, fruit crops, irrigation practices, fertilization practices, root interaction, and the growing environment are all welcome.

Dr. Dario Chavez
Guest Editor

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

  • peach research
  • orchard management
  • fruit production
  • fruit crops
  • irrigation practices
  • root interaction
  • growing environment

Published Papers (3 papers)

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Research

12 pages, 3021 KiB  
Article
Fruitlet Freeze Tolerance in Peach Germplasm
by Ufuk Caglar, John Mark Lawton, Juan Carlos Melgar and Ksenija Gasic
Agronomy 2024, 14(2), 302; https://doi.org/10.3390/agronomy14020302 - 30 Jan 2024
Viewed by 604
Abstract
Climate change is affecting the production of temperate fruit crops. Freeze damage, particularly in spring, has resulted in significant economic losses in peach production in the southeastern United States. Research efforts in peach and other Prunus species have primarily focused on dormancy-related traits [...] Read more.
Climate change is affecting the production of temperate fruit crops. Freeze damage, particularly in spring, has resulted in significant economic losses in peach production in the southeastern United States. Research efforts in peach and other Prunus species have primarily focused on dormancy-related traits associated with bloom time, such as chill and heat requirement, with fruitlet freeze tolerance not equally represented. This study reports fruitlet freeze tolerance in 75 peach and nectarine accessions at six freezing temperatures (0 to −10 °C) using electrolyte leakage method over two seasons (2022–2023). Fruitlet freeze tolerance ranged from −3.9 to −10.2 °C with an estimated freeze damage ranging from 16–48% of fruitlet tissue with the majority of the accessions showing tolerance to cold temperatures in the −4 to −6 °C and 25–35% range. Variability in tolerance was noted across years, including some inconsistencies between tolerance group assignments. Grouping based on the estimated damage showed better stability and some accessions changed their grouping from the extremes to an intermediate tolerance group. Interestingly, nectarine accessions were among the most tolerant in both seasons. Broad-sense heritability of 0.52 and 0.85, estimated for freeze tolerance and % tissue damage, respectively, suggested genetic control of this trait with a potential for improvement via breeding. Full article
(This article belongs to the Special Issue Agricultural Systems for Peach Production)
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19 pages, 2922 KiB  
Article
Predicting Floral Bud Progression for Three Peach Cultivars
by Adriana Cifuentes-Carvajal, Bernardo Chaves-Córdoba, Edgar L. Vinson III, Elina D. Coneva, Dario J. Chavez and Melba R. Salazar-Gutiérrez
Agronomy 2024, 14(2), 240; https://doi.org/10.3390/agronomy14020240 - 23 Jan 2024
Viewed by 1145
Abstract
The prediction of floral bud progression in commercial peach cultivars promotes knowledge about the adaptability of cultivars to the climatic conditions in a specific location under a climatic variability context. Phenology is relevant to improving the scheduling of cultural practices in peach orchards. [...] Read more.
The prediction of floral bud progression in commercial peach cultivars promotes knowledge about the adaptability of cultivars to the climatic conditions in a specific location under a climatic variability context. Phenology is relevant to improving the scheduling of cultural practices in peach orchards. This research aimed to predict the floral bud progression of three peach cultivars: ‘Harvester’, ‘Red Globe’, and ‘Rubyprince’. Floral bud progression was assessed using one-year-old shoots collected from an orchard located at the Chilton Research and Extension Center, Alabama. Samples were evaluated under laboratory and growth chamber conditions. We recorded the flower developmental stages daily to identify the transition among stages. Daily temperature records were used to estimate the heat requirement in terms of Growing Degree Days (GDD). After dormancy release, samples needed between 23 to 39 and 37 to 42 days to reach the petal fall stage for season 1 and season 2, respectively. In terms of heat requirements, cultivars needed between 425.5 to 721.5 and 684.5 to 777 GDD to end flowering. A logistic curve was adjusted to describe the growth of the different floral stages over time. The results are key to supporting peach growers in crop management practices such as orchard establishment, irrigation, fertilization, freeze and frost protection, and pollination under climate variability scenarios. Full article
(This article belongs to the Special Issue Agricultural Systems for Peach Production)
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19 pages, 2518 KiB  
Article
Modeling the Budbreak in Peaches: A Basic Approach Using Chill and Heat Accumulation
by Adriana Cifuentes-Carvajal, Bernardo Chaves-Córdoba, Edgar Vinson, Elina D. Coneva, Dario Chavez and Melba R. Salazar-Gutiérrez
Agronomy 2023, 13(9), 2422; https://doi.org/10.3390/agronomy13092422 - 20 Sep 2023
Cited by 1 | Viewed by 896
Abstract
Phenological shifts in peaches have been observed over the last few years due to the fluctuation of the seasonal climate conditions experienced during dormancy, affecting orchard management practices and influencing production and harvest dates. This study aimed to model the vegetative and floral [...] Read more.
Phenological shifts in peaches have been observed over the last few years due to the fluctuation of the seasonal climate conditions experienced during dormancy, affecting orchard management practices and influencing production and harvest dates. This study aimed to model the vegetative and floral budbreak of selected peach cultivars. Three peach cultivars, including “Rubyprince”, “Harvester”, and “Red Globe”, were considered in this study based on the representation of the early, early-mid, and mid-seasons. The prediction of the budbreak in peaches was assessed using different models that integrate the combination of chill and heat requirements. Models used include the Weinberger model, the modified Weinberger model, Utah, the dynamic model, and the growing degree model. The accumulation of chill varies according to the season evaluated. A model that considers both chill and heat accumulation is presented for each cultivar. Budbreak as an indicator of dormancy completion was established for each cultivar. The outcome of this study is to determine the amount of chilling accumulation and thermal time required to mark the beginning of the budbreak in selected cultivars with a model that predicts the duration of the dormancy. These results are valuable information that can be used for crop management practices and support the mitigation of cold damage during this critical period of crop development. Full article
(This article belongs to the Special Issue Agricultural Systems for Peach Production)
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