Molecular Genetics, Genomics and Biotechnology of Crop Plants Breeding—Series III

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

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 2174

Special Issue Editor


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Guest Editor
Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Copenhagen, Denmark
Interests: mutational breeding; genome-wide association studies; quality traits; grain crops; molecular plant breeding
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Special Issue Information

Dear Colleagues,

Genetic improvements in crop plants are greatly facilitated by molecular markers because a single technology platform can assist selection across traits and plant species. The current demand for plant-based protein calls for reviving the breeding of legumes, where molecular markers can speed up the introgression of traits from historic cultivar and heirloom plant collections. Array-based markers have their advantages, but for many plant species, these are not available and seem less useful for allele mining in landraces. Genotyping-by-sequencing is a cost-efficient alternative for smaller crops and vegetables. Molecular markers are already being used to explore genotype-by-environment interaction, and a new challenge is the “enviromics” of breeding cultivars for the Target Population of Environments (TPE).

We welcome research papers and reviews on the use of molecular marker technologies, genomics selection, site-directed mutagenesis, gene-discovery by genome-wide association studies, and biotechnology in crop plants. In particular, improving the quality traits and productivity of crops for food, feed, and industrial uses and the above-mentioned themes are especially welcome.

Prof. Dr. Søren Kjærsgaard Rasmussen
Guest Editor

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Keywords

  • molecular marker technology
  • functional markers
  • precision breeding
  • Crispr/cas9 mutagenesis
  • genome-wide association studies
  • genomic selection and prediction
  • phylogeny

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Published Papers (1 paper)

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Research

20 pages, 1604 KiB  
Article
Assessment of Genetic Diversity and Protein Content of Scandinavian Peas (Pisum sativum)
by Louise Winther, Søren Kjærsgaard Rasmussen, Gert Poulsen and Conny Bruun Asmussen Lange
Agronomy 2023, 13(9), 2307; https://doi.org/10.3390/agronomy13092307 - 31 Aug 2023
Viewed by 1637
Abstract
We produced homogeneous lines of 227 pea accessions from the Nordic Genetic Resource Center via single seed descent. The genetic diversity among these, mostly Scandinavian accessions, was investigated using three microsatellite markers, A9, AC58 and AA5. The microsatellites were highly informative and separated [...] Read more.
We produced homogeneous lines of 227 pea accessions from the Nordic Genetic Resource Center via single seed descent. The genetic diversity among these, mostly Scandinavian accessions, was investigated using three microsatellite markers, A9, AC58 and AA5. The microsatellites were highly informative and separated 153 of 194 accessions on a Neighbor Joining topology. The high polymorphism information content (PIC) values between 0.87 and 0.91 indicated that the gene bank material contains a large number of pea accessions with different breeding histories. The peas were grown in the field for two years and seed protein content showed variation between 9.3% and 34.1% over the years and accessions, respectively. The mean thousand seed weight was 152.05 g. More than 10 accessions had a protein content above 28%, showing that the collection has potential as breeding nursery for high-protein pea cultivars. Full article
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