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Agriculture
Special Issues
Characterization, Evaluation, and Utilization of Crop Germplasm Resources
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Characterization, Evaluation, and Utilization of Crop Germplasm Resources

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Genotype Evaluation and Breeding".

Deadline for manuscript submissions: 25 October 2024 | Viewed by 1484

Special Issue Editor

Dr. Tao Chen

E-Mail Website
Guest Editor
College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
Interests: germplasm; phenotype; genetic diversity; molecular markers; population structure

Special Issue Information

Dear Colleagues,

Crop germplasm resources, including wild relatives, landrace, traditional varieties, and farmer’s varieties, encompass a vast array of genetic variations that serve as the primary gene pool for enhancing crop diversity and genetic improvement. However, with the intensification of urbanization and the expansion of the scope of human activities, the habitats of almost all crop germplasm resources have been severely compromised, leading to the premature extinction of numerous invaluable genetic resources before their full recognition by humanity. Consequently, there is an urgent need to prioritize research on investigating, collecting, evaluating, developing and utilizing crop germplasm resources.

The primary objective of this Special Issue is to showcase innovative research and comprehensive review articles focusing on global crop genetic resources, encompassing fields such as agronomy, horticulture, Chinese herbal medicine, forage production, and economic forest crops. This Special Issue invites the submission of papers addressing a wide range of relevant topics, including, but not limited to, the characterization of crop germplasm diversity via the application of genomics, phenomics or molecular markers; the evaluation of genetic diversity using various genetic markers; comparative studies on different molecular marker systems for assessing the genetic structure of germplasm or populations; and the development and utilization of novel molecular markers in establishing reference sets or core sets in the germplasm.

Dr. Tao Chen
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. Agriculture 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

  • crop
  • germplasm
  • genetic diversity
  • genotyping
  • phenotyping
  • molecular markers
  • population structure

Published Papers (1 paper)

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Research

15 pages, 1134 KiB  
Article
Genetic Variability and Interrelationships of Grain, Cooking, and Nutritional Quality Traits in Cowpea: Implications for Cowpea Improvement
by Michael M. Chipeta, Esnart Yohane, John Kafwambira and Jessica Kampanje-Phiri
Agriculture 2024, 14(4), 633; https://doi.org/10.3390/agriculture14040633 - 19 Apr 2024
Viewed by 1185
Abstract
Grain quality, cooking quality, and nutritional quality traits are some of the major attributes that enhance the uptake and utilization of improved cowpea varieties. Therefore, there is a need for a better understanding of the genetic variation and inter-relationships among these quality traits [...] Read more.
Grain quality, cooking quality, and nutritional quality traits are some of the major attributes that enhance the uptake and utilization of improved cowpea varieties. Therefore, there is a need for a better understanding of the genetic variation and inter-relationships among these quality traits in cowpeas to integrate them into cowpea breeding programs. This study was conducted to determine genetic variability among 306 cowpea genotypes for grain quality, cooking quality, and nutritional quality traits and to understand the interrelationships among these traits for exploitation in breeding programs. The results showed highly significant differences (p < 0.001) among genotypes for grain quality, cooking quality, and nutritional quality traits. The mean performance for these quality traits was also very variable. These results suggest that genetic variability exists in the cowpea genotypes studied, which can be exploited in breeding programs aimed at developing high-performing varieties for the said traits. Significant (p < 0.001) positive correlations were detected for protein content with iron and zinc. On the other hand, nutritional quality traits did not exhibit any association with grain quality or cooking quality traits. Cooking quality traits were also shown to be significantly and positively correlated with grain quality traits. This study has identified several genotypes with desirable quality-related traits that could be used in crossing programs to generate improved varieties with consumer-preferred traits to improve the food, income, and nutritional status of many smallholder farmers that largely depend on cowpeas. Full article
(This article belongs to the Special Issue Characterization, Evaluation, and Utilization of Crop Germplasm Resources)
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