Recent Developments for Climate-Resilient Small Grain Cereals Breeding

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

Deadline for manuscript submissions: closed (20 November 2021) | Viewed by 2864

Special Issue Editors


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Guest Editor
Council for Agricultural Research and Economics (CREA), Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017 Fiorenzuola d’Arda (PC), Italy
Interests: cereals; genomics; functional genomics; cereal breeding
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Guest Editor
Estación Experimental de Aula Dei, EEAD-CSIC, Zaragoza, Spain
Interests: barley; genetics; diversity; phenology

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Guest Editor
Luonnonvarakeskus, LUKE, Helsinki, Finland
Interests: plant genomics; physiology; physiological phenotyping
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Small grain cereals (wheat, barley, oats, rye) constitute the main pillar of food security. Current cereal production is threatened by climate change. Increasing temperatures, more frequent episodes of drought and other catastrophic climatic events, and the societal drive towards reduction of the chemical input in agriculture, have to be leveraged with the rise in CO2, plant genetics, physiology, and big data approaches to deliver productive and resilient cereal crops. Plant breeders are faced with new demands to sustain grain yield and quality while protecting the environment, and the selection of new cultivars carrying sustainability-related traits is becoming a major goal.

Please share your success stories from research in genetics, physiology and breeding for climate-resilient cereals around the world in this Special Issue. Invited submissions include, but are not limited to, the following topics: 1) Genomic characterization of genetic resources related to adaptation to environment; 2) Innovative and novel applications of plant phenotyping; 3) Decision support tools and modelling; 4) Genomic assisted breeding; 5) Genomic prediction and other –omics-based advances related to crop resilience; 6) ….

Prof. Dr. Luigi Cattivelli
Dr. Ana M. Casas
Prof. Dr. Alan H. Schulman
Guest Editors

Manuscript Submission Information

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Keywords

  • Cereal genetics
  • Phenotyping
  • GWAS
  • Water stress
  • Temperature stress
  • Sustainability-related traits
  • Future climate
  • Genomics-assisted breeding
  • Crop simulation models
  • Genomic prediction

Published Papers (1 paper)

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Research

18 pages, 1451 KiB  
Article
Root Trait Diversity in Field Grown Durum Wheat and Comparison with Seedlings
by Ridha Boudiar, Alejandra Cabeza, Miriam Fernández-Calleja, Antonio Pérez-Torres, Ana M. Casas, Juan M. González, Abdelhamid Mekhlouf and Ernesto Igartua
Agronomy 2021, 11(12), 2545; https://doi.org/10.3390/agronomy11122545 - 15 Dec 2021
Cited by 6 | Viewed by 2208
Abstract
Roots are important for crop adaptation, particularly in dryland environments. We evaluated root development of 37 durum wheat genotypes (modern cultivars and landraces) in the field at the adult plant stage, through a shovelomics approach. Large genotypic variability was found for root traits. [...] Read more.
Roots are important for crop adaptation, particularly in dryland environments. We evaluated root development of 37 durum wheat genotypes (modern cultivars and landraces) in the field at the adult plant stage, through a shovelomics approach. Large genotypic variability was found for root traits. Differences between the landraces and modern cultivars were the main driver of this variation, with landraces showing higher plant vigor for roots and shoots. Nonetheless, genotypic variation within groups was also observed, related to different models of root growth, largely independent of total root length. These two models represented root growth were oriented either to occupy more soil volume, or to occupy less soil volume with increased density. The field results were then compared with root data previously collected in seedlings using a filter paper-based method, to assess whether early root anticipated adult root features. Field plants showed a narrower root angle than seedlings. In particular, landraces presented a narrower root angle than cultivars, but only at seedling stage. Potentially useful correlations were found between the two growth stages for root length and number. Full article
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