ArticleAnnals of botany2025
Linking root length and surface area to yield: variety-specific root plasticity in winter wheat across contrasting European environments.
Article in Annals of botany, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Deep rooting in bread wheat is more strongly associated with genotypes than drought stress: evidence from Van Lake Basin genotypes.Frontiers in plant science · 2026Article
- Mycorrhizal Abundance and Its Interaction with Cereal Root Traits and Crop Productivity in Organically Managed Cereal/Legume Intercropping.Plants (Basel, Switzerland) · 2025Article
- Impacts of Various Straw Mulching Strategies on Soil Water, Nutrients, Thermal Regimes, and Yield in Wheat-Soybean Rotation Systems.Plants (Basel, Switzerland) · 2025Article
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26 authors.
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Abstract
BACKGROUND AND
aimsUnderstanding the relationship of root traits and crop performance under varying environmental conditions facilitates the exploitation of root characteristics in breeding and variety testing to maintain crop yields under climate change. Therefore, we (1) evaluated differences in root length and surface area between ten winter wheat varieties grown at 11 sites in Europe covering a large pedoclimatic gradient, (2) quantified differences in root response to soil, climate and management conditions between varieties, and (3) evaluated variety-specific relationships of grain yield and root length and surface area under diverse environmental conditions.
methodsAt each site, we sampled the roots to 1 m soil depth after harvest and determined various root traits by scanning and image analysis. The impacts of soil, climate and management on roots and yield of the ten varieties were analysed by means of multivariate mixed models. KEY
resultsRoot length averaged 1.4 m root piece-1, 5007 m root m-2 soil, and 5300 m root m-2 soil and root surface area 0.039 m2 root piece-1, 40 m2 root m-2 soil, and 43 m2 root m-2 soil in 0.00-0.15 m, 0.15-0.50 m, 0.50-1.00 m soil depth, respectively. The variation in both traits was 10 times higher between sites than varieties, the latter ranging by a factor of 2 within sites. Irrespective of variety, temperature was a major driver of subsoil root traits, suggesting that warmer climates promoted root growth in deeper soil layers. Other soil and climate variables affected root length and/or root surface area of individual varieties, highlighting different degrees of root plasticity. The varieties displayed distinctly different relationships between yield and root traits under varying pedoclimatic conditions, highlighting genetic differences in yield response to environmentally driven root plasticity.
conclusionsThese findings suggest that breeding efforts should target flexible root-yield relationships in the subsoil to maintain crop performance under climate change.
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