Next Article in Journal
Agronomic Responses of Soybean Genotypes to Starter Nitrogen Fertilizer Rate
Next Article in Special Issue
Genetic Variation and Sequence Diversity of Starch Biosynthesis and Sucrose Metabolism Genes in Sweet Potato
Previous Article in Journal
Response of Photosynthetic Performance to Drought Duration and Re-Watering in Maize
Previous Article in Special Issue
Biomorphological Characterization of Brazilian Capsicum Chinense Jacq. Germplasm
Open AccessArticle

Development of a Multipurpose Core Collection of Bread Wheat Based on High-Throughput Genotyping Data

1
Department of Biotechnology-Plant Biology, School of Agricultural, Food and Biosystems Engineering, Universidad Politécnica de Madrid, 28040 Madrid, Spain
2
Instituto Tecnológico Agrario de Castilla y León (ITACyL), 47071 Valladolid, Spain
3
Plant Genetic Resources Centre, National Institute for Agricultural and Food Research and Technology, 28800 Alcalá de Henares, Spain
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(4), 534; https://doi.org/10.3390/agronomy10040534
Received: 12 March 2020 / Revised: 30 March 2020 / Accepted: 4 April 2020 / Published: 8 April 2020
(This article belongs to the Special Issue Analysis of Crop Genetic and Germplasm Diversity)
Modern plant breeding practices have narrowed the genetic base of wheat throughout the world, increasing crop vulnerability. Therefore, there is clearly a need for introducing new germplasm in breeding programs to search for variability related to traits of agronomic interest for wheat improvement. The existence of subsets of accessions (core collections) that represent the diversity conserved in germplasm collections is a favored approach for breeders to explore novel variation and enhance the use of germplasm. In this study, a core collection of Spanish landraces of bread wheat has been created using high-throughput genotyping technologies (DArTseq), which yielded more than 50 K molecular markers. This marker system not only provides a robust estimate of the diversity, but also information about its distribution in the genome. Two core collections of 94 entries were created by using two common sampling strategies: the maximization strategy and the population structure-based method. Both core collections showed high geographic, phenotypic and genetic representativeness, but the collection obtained with the maximization strategy captured better the diversity displayed by the initial collection. This core collection, which includes a broad range of adapted genotypes, can be efficiently utilized for mining new alleles for useful traits in wheat breeding. View Full-Text
Keywords: DArTseq markers; GBS; genetic diversity; Triticum aestivum DArTseq markers; GBS; genetic diversity; Triticum aestivum
Show Figures

Graphical abstract

MDPI and ACS Style

Pascual, L.; Fernández, M.; Aparicio, N.; López-Fernández, M.; Fité, R.; Giraldo, P.; Ruiz, M. Development of a Multipurpose Core Collection of Bread Wheat Based on High-Throughput Genotyping Data. Agronomy 2020, 10, 534.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop