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Durum Wheat Seminal Root Traits within Modern and Landrace Germplasm in Algeria

AuthorsBoudiar, Ridha ; González, Juan M.; Mekhlouf, Abdelhamid; Casas Cendoya, Ana María ; Igartua Arregui, Ernesto
KeywordsProxy traits
Genetic resources
Root screening
Root architecture
Issue Date2020
PublisherMultidisciplinary Digital Publishing Institute
CitationAgronomy 10(5): 713 (2020)
AbstractSeminal roots are known to play an important role in crop performance, particularly under drought conditions. A set of 37 durum wheat cultivars and local landraces was screened for variation in architecture and size of seminal roots using a laboratory setting, with a filter paper method combined with image processing by SmartRoot software. Significant genetic variability was detected for all root and shoot traits assessed. Four rooting patterns were identified, with landraces showing overall steeper angle and higher root length, in comparison with cultivars, which presented a wider root angle and shorter root length. Some traits revealed trends dependent on the genotypes’ year of release, like increased seminal root angle and reduced root size (length, surface, and volume) over time. We confirm the presence of a remarkable diversity of root traits in durum wheat whose relationship with adult root features and agronomic performance should be explored.
Description© 2020 by the authors.
Publisher version (URL)https://doi.org/10.3390/agronomy10050713
Appears in Collections:(EEAD) Artículos
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