Genetic Resources and Improvement of Forage Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetic Resources".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 1240

Special Issue Editors


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Guest Editor
Instituto de Botánica del Nordeste (IBONE-UNNE-CONICET), Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste (FCA-UNNE), Corrientes 3400, Argentina
Interests: apomixis; plant genetic systems; plant evolutionary genetics; plant genetic resources; plant genomic analysis; plant molecular genetics; plant reproduction; forage grass improvement; polyploidy
Special Issues, Collections and Topics in MDPI journals

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IBS, Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas, Químicas y Naturales, Universidad Nacional de Misiones, Posadas N3304, Misiones, Argentina
Interests: polyploidy; genetic systems; plant fertility; plant meiotic behavior; plant hybridization; plant evolutionary genetics; plant genetic resource characterization; plant genetics; apomixis; plant reproduction; seed production; germination

E-Mail Website
Guest Editor
Instituto de Botánica del Nordeste (IBONE-UNNE-CONICET), Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste (FCA-UNNE), Corrientes 3400, Argentina
Interests: genetic resources; plant breeding; forage ecology and management

E-Mail Website
Guest Editor
IBONE, Instituto de Botánica del Nordeste (CONICET-UNNE), Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste, Corrientes W3400 BCH, Argentina
Interests: plant genetics; plant breeding; hybridization; molecular marker-assisted genetic improvement; genetic population

Special Issue Information

Dear Colleagues,

This Special Issue, "Genetic Resources and Improvement of Forage Plants", focuses on the paramount significance of genetic resources and advancements in the improvement of forage plants, particularly considering the escalating global demand for animal protein, compounded by the challenges posed by climate change and the imperative of sustainable production practices. This issue aims to underscore the critical role of collecting and characterizing genetic resources of forage plants, including non-domesticated wild species, alongside the utilization of cutting-edge genetic improvement tools.

Forage plants are fundamental to global food security, providing essential nutrients for livestock and supporting the sustainable production of meat, milk, and other animal-derived products. The need for improved genetic resources and breeding methodologies is urgent to address issues such as climate change, land degradation, and shifting consumer preferences.

The collection and characterization of genetic resources, especially from wild species, offer untapped genetic diversity and resilience traits that can be harnessed through innovative breeding programs. Advances in genomic technologies, gene editing, and high-throughput phenotyping promise to accelerate the pace and precision of forage crop improvement efforts.

This Special Issue extends an earnest invitation to researchers, students, and plant breeders to contribute their insights, findings, and reviews. Submissions may encompass a spectrum of topics, including but not limited to germplasm characterization, trait mapping, genomic selection, marker-assisted breeding, and genetic engineering. Contributions exploring the use of wild relatives, omics technologies, and computational approaches are particularly encouraged

Dr. Eric Javier Martínez
Dr. Ana Isabel Honfi
Dr. Carlos Alberto Acuña
Dr. Elsa Andrea Brugnoli
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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • breeding programs
  • forage plants
  • genetic diversity
  • genetic engineering
  • genetic improvement
  • genetic resources
  • genomic selection
  • marker-assisted selection
  • molecular breeding
  • phenotyping

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Published Papers (1 paper)

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Research

26 pages, 4979 KiB  
Article
The Role of Reproductive Modes in Shaping Genetic Diversity in Polyploids: A Comparative Study of Selfing, Outcrossing, and Apomictic Paspalum Species
by A. Verena Reutemann, Mara Schedler, Diego H. Hojsgaard, Elsa A. Brugnoli, Alex L. Zilli, Carlos A. Acuña, Ana I. Honfi and Eric J. Martínez
Plants 2025, 14(3), 476; https://doi.org/10.3390/plants14030476 - 6 Feb 2025
Viewed by 872
Abstract
Exploring the genetic diversity and reproductive strategies of Paspalum species is essential for advancing forage grass improvement. We compared morpho-phenological, molecular, and genotypic variation in five tetraploid Paspalum species with contrasting mating systems and reproductive modes. Contrary to previous findings, selfing (Paspalum [...] Read more.
Exploring the genetic diversity and reproductive strategies of Paspalum species is essential for advancing forage grass improvement. We compared morpho-phenological, molecular, and genotypic variation in five tetraploid Paspalum species with contrasting mating systems and reproductive modes. Contrary to previous findings, selfing (Paspalum regnellii and P. urvillei) and outcrossing (P. durifolium and P. ionanthum) species exhibited similar phenotypic diversity patterns, with low intrapopulation variability and no morphological differentiation among populations. The apomictic species (P. intermedium) exhibited low intrapopulation phenotypic variation but high population differentiation, indicative of genetic drift and local adaptation. Outcrossing species showed greater intrapopulation genotypic variation than selfing species, which displayed a high population structure due to restricted pollen migration. The apomictic species exhibited the lowest intrapopulation molecular diversity, forming uniclonal populations with high interpopulation differentiation, highlighting the fixation of distinct gene pools via apomixis. This is the first report about genetic diversity in populations of sexual allopolyploid species of Paspalum. Population structure in these allotetraploid Paspalum species is primarily shaped by how reproductive modes, mating systems, and geographic distribution influence gene flow via pollen and seeds. Our findings contribute significantly to the conservation and genetic improvement of forage grasses, particularly for developing cultivars with enhanced adaptability and productivity. Full article
(This article belongs to the Special Issue Genetic Resources and Improvement of Forage Plants)
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