Special Issue "Genetic Diversity Evaluation of the Fruit Trees"

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

Deadline for manuscript submissions: 31 December 2020.

Special Issue Editors

Prof. Dr. Santiago Pereira-Lorenzo

Guest Editor
Department of Crop Production and Projects of Engineering, University of Santiago de Compostela, 27002 Lugo, Spain
Interests: genetic resources; phenotypic and genotypic traits; selection and breeding; domestication; crop production
Dr. José Iñaki Hormaza
Website
Guest Editor
Subtropical Fruit Crops Department, Instituto de Hortofruticultura Subtropical y Mediterránea ‘la Mayora’, (IHSM la Mayora -CSIC-UMA), 29750, Algarrobo-Costa, Málaga, Spain
Interests: diversity in subtropical (cherimoya, avocado, mango, litchi, longan) and temperate fruit crops using molecular and phenotypic markers
Special Issues and Collections in MDPI journals

Special Issue Information

Dear colleagues,

Conservation and sustainable management of germplasm is the key for guaranteeing food security for future generations since this will determine the ability of crops to adapt to environmental changes. Significant advances in the application of molecular tools to analyze and conserve genetic diversity in annual and perennial crops have taken place in the last two decades. Although in most cases the new technologies are first developed in annual crops, some particularities of most fruit crops, such as their perennial nature, long generation times, large individual size, or vegetative propagation, make the advantages of using these new approaches even more relevant in these species.

This Special Issue will focus on “Genetic Diversity of Fruit Crops Germplasm”. We welcome novel research, reviews and opinion pieces covering all related topics including new approaches to analyze genetic diversity in fruit crops, in situ and ex situ germplasm conservation, the use of diversity in fruit crop breeding, phenotyping and genotyping diversity, biotechnological approaches to conserve germplasm, spatial diversity analyses and case-studies relevant for fruit crop germplasm conservation.

Genetic resources are linked to numerous research activities and methodologies. Therefore, we aim to publish original research and reviews that improve our understanding of the evaluation and use of the genetic resources of fruit tree species, particularly manuscripts that address the following topics:

1. Evaluation of phenotypic traits of fruit tree species, those related to the measurement of quantitative and qualitative traits, as well as the statistics applied to diversity descriptors.

2. Methodologies used in the evaluation of phenotypic and genotypic traits to determine taxonomic affinity (phylogenetics), identity, kinship relationships, bottlenecks, differentiation, lineages and in the definition and management of germplasm banks and core collections.

3. Statistics used in the evaluation of quantitative and qualitative traits and genetic diversity.

4. Regulations and policies related to protection of genetic resources and new cultivars, certification, international interchange exchange of genetic resources.

5. The use of genetic resources in the bioeconomy, landscape, Protected Denominations of Origin (PDO) and Protected Geographical Indications (PGI), natural and cultural heritage, including its role for biodiversity conservation, and the ethnographic values associated with traditional management practices.

6. Finally, case studies on woody trees related to forest and crop production such as chestnut, apple tree, pear tree, grape and others.

We invite our colleagues to submit contributions describing their advances that will surely improve the knowledge of genetic resources of fruit tree species.

Dr. José Iñaki Hormaza and Prof. Santiago Pereira-Lorenzo

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 papers will be 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 1600 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

  • Genetic variation
  • Phenotypic traits
  • Fruit trees
  • Evaluation
  • Characterisation
  • Genetic resources
  • Germplasm bank
  • Core collection
  • Valorisation

Published Papers (1 paper)

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Research

Open AccessArticle
Genetic Diversity of Local Peach (Prunus persica) Accessions from La Palma Island (Canary Islands, Spain)
Agronomy 2020, 10(4), 457; https://doi.org/10.3390/agronomy10040457 - 25 Mar 2020
Abstract
Peach (Prunus persica) is an economically important temperate fruit crop due to its edible fruits. Due to the need to develop new varieties better adapted to climate change, it is of great interest to find germplasm adapted to warmer conditions, such [...] Read more.
Peach (Prunus persica) is an economically important temperate fruit crop due to its edible fruits. Due to the need to develop new varieties better adapted to climate change, it is of great interest to find germplasm adapted to warmer conditions, such as those found in the Canary Islands. Peach was an important crop during the last century in one of those islands (La Palma), but its cultivation has been abandoned in recent years. Currently, commercial production is relict and isolated trees are relegated to family orchards with little management. With the objective to characterize and prevent the loss of local varieties of this crop, peach trees were sampled along La Palma. A total of 89 local peach accessions were prospected and analyzed with 10 single-sequence repeat (SSR) loci, which permitted 28 different genotype profiles to be detected. These genotypes were compared to 95 Spanish peach landraces conserved in an ex situ collection, and 26 additional samples from eight different countries. Results showed that the peach genetic diversity found in La Palma was low. In addition, a relation between La Palma samples and other Spanish peaches was observed, which could indicate the arrival of genetic material from the Iberian Peninsula and subsequent intercrossing and local selection of the genotypes more adapted to the subtropical climate of the island. The population structure reflects a grouping of the samples based on fruit type and geographic origin. Full article
(This article belongs to the Special Issue Genetic Diversity Evaluation of the Fruit Trees)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Polyploidy, niche shifts, hybridization, and geographic parthenogenesis in Rocky Mountain black-fruited hawthorns (Crataegus L., Rosaceae)
Authors: Timothy A. Dickinson
Affiliation: Green Plant Herbarium, Department of Natural History, Royal Ontario Museum, 100 Queen's Park, Toronto ON Canada M5S 2C6

Title: Reviewing the Emerging Cultivation of the New World Tomatillo Genus in an Evolutionary Framework (Physalis, Physalideae, Solanaceae)
Authors: Rocio Deanna1,2,3 & Chelsea Pretz1
Affiliation: 1Department of Ecology and Evolutionary Biology, University of Colorado Boulder, 1800 Colorado Ave, Boulder, Colorado 80309, U.S.A. 2Instituto Multidisciplinario de Biología Vegetal, IMBIV (CONICET-UNC), CC 495, Córdoba 5000, Argentina. 3Natural History Museum, Cromwell Rd, South Kensington, London, SW7 5BD, U. K.
Abstract: People have cultivated groundcherries (Physalis L.) for its sweet and savoury fruits for the last hundreds of years, but only a few species have made it to large scale agriculture. The tomatillo (P. philadelphica/ P. ixocarpa) along with golden berries (P. peruviana) are increasing in popularity with more than a 10,000% increase in export from South America. However, at least another ten wild relatives could be cultivated for their tasty fruits. Here we aim to uncover the large diversity of wild groundcherries and their potential for domestication using the predictive value of fruit color, while taking account of our current understanding of the evolutionary history and distribution of Physalis.

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