Unveiling the role of root functional traits in enhancing nitrogen use efficiency in wheat under nitrogen deficiency.

Jian Zeng, Xigui Hu, Kehao Zhang, Yiran Cheng, Yi Wang, Houyang Kang

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Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Jian ZengCollege of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, 611130, China. zengjian@sicau.edu.cn.

Xigui HuCenter of Wheat Research, Henan Institute of Science and Technology, Xinxiang, Henan, 453003, China.

Kehao ZhangCollege of Resources, Sichuan Agricultural University, Wenjiang, Sichuan, 611130, China.

Yiran ChengState Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang, Sichuan, 611130, China.

Yi WangTriticeae Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, 611130, China.

Houyang KangTriticeae Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, 611130, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundGenetic variation in plant functional traits has been recognized as a potential avenue for enhancing nitrogen use efficiency (NUE) in wheat, which is a cost-effective strategy for reducing environmental burden of excessive N fertilizer application. In this study, a total of 126 diverse wheat genotypes originating from 16 countries were cultivated in pots supplied with a low N level at 10 mg kg

resultsUnder low N condition, significant genetic variations were observed in root morphological traits, photosynthesis capability and NUE among the wheat genotypes. The ranges of NUE and physiological NUE across 126 genotypes were 0.39-1.41 g mg

conclusionRoot morphological traits were superior to photosynthesis capacity in mediating wheat response to low N condition. Notably, RMD holds promise for application in breeding programs aimed at improving NUE in wheat.

Indexed as

NitrogenPlant RootsTriticumGenetic VariationGenotypePhotosynthesisNitrogenNitrogen deficiencyNitrogen use efficiencyPhotosynthetic performanceRoot traitsWheat genotype

Identifiers

PMID41315995

DOI10.1186/s12870-025-07828-5

PMCPMC12765314

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