Root trait diversity in field grown durum wheat and comparison with seedlings

Boudiar, R. ; Cabeza, A. ; Fernández-Calleja, M. ; Pérez-Torres, A. ; Casas, A.M. (Universidad de Zaragoza) ; González, J.M. ; Mekhlouf, A. ; Igartua, E. (Universidad de Zaragoza)

Resumen: 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. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Idioma: Inglés

DOI: 10.3390/agronomy11122545

Año: 2021

Publicado en: Agronomy 11, 12 (2021), 2545 [18 pp.]
ISSN: 2073-4395

Factor impacto JCR: 3.949 (2021)

Categ. JCR: PLANT SCIENCES rank: 55 / 240 = 0.229 (2021) - Q1 - T1
Categ. JCR: AGRONOMY rank: 18 / 90 = 0.2 (2021) - Q1 - T1

Factor impacto CITESCORE: 3.9 - Agricultural and Biological Sciences (Q2)

Factor impacto SCIMAGO: 0.654 - Agronomy and Crop Science (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/A08-20R
Financiación: info:eu-repo/grantAgreement/ES/MICINN BES-2017-082746
Financiación: info:eu-repo/grantAgreement/ES/MICINN/PID2019-111621RB-I00
Financiación: info:eu-repo/grantAgreement/ES/MINECO/AGL2016-80967-R

Tipo y forma: Artículo (Versión definitiva)

Área (Departamento): Área Producción Vegetal (Dpto. CC.Agrar.y Medio Natural)