On the Possible Trade-Off between Shoot and Root Biomass in Wheat

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dc.authoridBektas, Harun/0000-0002-4397-4089
dc.contributor.authorBektas, Harun
dc.contributor.authorHohn, Christopher E.
dc.contributor.authorLukaszewski, Adam J.
dc.contributor.authorWaines, John Giles
dc.date.accessioned2024-12-24T19:33:43Z
dc.date.available2024-12-24T19:33:43Z
dc.date.issued2023
dc.departmentSiirt Üniversitesi
dc.description.abstractNumerous studies have shown that under a limited water supply, a larger root biomass is associated with an increased above-ground biomass. Root biomass, while genetically controlled, is also greatly affected by the environment with varying plasticity levels. In this context, understanding the relationship between the biomass of shoots and roots appears prudent. In this study, we analyze this relationship in a large dataset collected from multiple experiments conducted up to different growth stages in bread wheat (Triticum aestivum L.) and its wild relatives. Four bread wheat mapping populations as well as wild and domesticated members of the Triticeae tribe were evaluated for the root and shoot biomass allocation patterns. In the analyzed dataset the root and shoot biomasses were directly related to each other, and to the heading date, and the correlation values increased in proportion to the length of an experiment. On average, 84.1% of the observed variation was explained by a positive correlation between shoot and root biomass. Scatter plots generated from 6353 data points from numerous experiments with different wheats suggest that at some point, further increases in root biomass negatively impact the shoot biomass. Based on these results, a preliminary study with different water availability scenarios and growth conditions was designed with two cultivars, Pavon 76 and Yecora Rojo. The duration of drought and water level significantly affected the root/shoot biomass allocation patterns. However, the responses of the two cultivars were quite different, suggesting that the point of diminishing returns in increasing root biomass may be different for different wheats, reinforcing the need to breed wheats for specific environmental challenges.
dc.description.sponsorshipUSDA-NIFA [CA-R-BPS-5411-H]; University of California, The California Agricultural Experiment Station; Turkish Republic Ministry of National Education
dc.description.sponsorshipThis work was supported in part by funds provided to Adam J. Lukaszewski from USDA-NIFA #CA-R-BPS-5411-H, by the University of California, The California Agricultural Experiment Station, and a doctoral fellowship of the Turkish Republic Ministry of National Education to Harun Bektas.
dc.identifier.doi10.3390/plants12132513
dc.identifier.issn2223-7747
dc.identifier.issue13
dc.identifier.pmid37447071
dc.identifier.scopus2-s2.0-85165210568
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/plants12132513
dc.identifier.urihttps://hdl.handle.net/20.500.12604/8258
dc.identifier.volume12
dc.identifier.wosWOS:001031151300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofPlants-Basel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241222
dc.subjectroot
dc.subjectshoot ratio
dc.subjecttrade-off
dc.subjectbiomass allocation
dc.subjectbread wheat
dc.subjectdrought stress
dc.titleOn the Possible Trade-Off between Shoot and Root Biomass in Wheat
dc.typeArticle

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