Identification and Utilization of Crop Wild Relatives’ Germplasm

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: 30 July 2025 | Viewed by 798

Special Issue Editor


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Guest Editor
Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
Interests: rice gene clone; crop genetics; crop domestication; crop breeding

Special Issue Information

Dear Colleagues,

Modern agriculture is grappling with the dual pressures of a growing global population and changing climate conditions, necessitating the development of crops with higher yields and enhanced environmental adaptability. Crop wild relatives, as an invaluable reservoir of plant germplasm with abundant genetic diversity, play a crucial role in breeding all over the world. During prolonged natural selection, wild species have preserved a wealth of genetic resources for plant growth and development, biotic and abiotic tolerance, stress resistance, nitrogen utilization, photosynthesis efficiency, etc. The rapid advancements in genetics and genomics techniques have significantly facilitated the identification of elite genes in wild species, which can be utilized for enhancing crop varieties. This Special Issue focuses on the utilization of wild relatives as a genetic resource for crop breeding. We aim to publish scientific contributions conducted on various kinds of crop wild relatives (even distantly) covering all related topics, including germplasm collection and evaluation, crop genetics and genomics, novel opinions and modeling, case studies, and breeding scenarios.

Prof. Dr. Zuofeng Zhu
Guest Editor

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Keywords

  • crop wild relatives
  • gene clone
  • QTL
  • germplasm collection
  • evaluation

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Published Papers (1 paper)

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Research

21 pages, 893 KiB  
Article
Evaluation of Genetic Diversity in Wild Emmer Wheat (Triticum dicoccoides) and Durum Wheat (Triticum durum) Accessions Using CAAT and SCoT Markers
by Esra Çakır
Agronomy 2025, 15(2), 284; https://doi.org/10.3390/agronomy15020284 - 23 Jan 2025
Viewed by 551
Abstract
Wild emmer is one of the progenitors of wheat, with a high genetic potential for breeding. Continuous evaluations of emmer and other progenitor species are necessary for long-term improvement in yield, agronomic, and stress-related traits. For this purpose, genetic diversity and relationships among [...] Read more.
Wild emmer is one of the progenitors of wheat, with a high genetic potential for breeding. Continuous evaluations of emmer and other progenitor species are necessary for long-term improvement in yield, agronomic, and stress-related traits. For this purpose, genetic diversity and relationships among 43 wild emmer (Triticum dicoccoides) and 5 durum wheat (Triticum durum) accessions were determined using two DNA marker systems, CAAT box-derived polymorphism (CBDP) and start codon targeted (SCoT) markers. CAAT and SCoT markers generated 63 and 76 polymorphic bands, averaging 9 and 7.6 bands per primer, respectively. The discriminating power, effective multiplex ratio, expected heterozygosity, mean heterozygosity, marker index, polymorphism information content, and resolving power parameters obtained for both marker systems showed the high efficiency of these markers in detecting genetic variation in wild emmer and durum wheat. The results showed that CAAT and SCoT markers with average polymorphism are suitable marker systems for detecting genetic variation between a pool of accessions or populations. These markers would be employed for gene-targeted breeding, and the results indicate that genetic analysis with these markers would be practicable for agricultural improvement and development initiatives. Full article
(This article belongs to the Special Issue Identification and Utilization of Crop Wild Relatives’ Germplasm)
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