ArticleScientific reports2018
Nitrogen physiology of contrasting genotypes of Chenopodium quinoa Willd. (Amaranthaceae).
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Article
- Single-cell transcriptomic analysis reveals the developmental trajectory and transcriptional regulatory networks of quinoa salt bladders.Stress biology · 2024Article
- Physiological, molecular, and environmental insights into plant nitrogen uptake, and metabolism under abiotic stresses.The plant genome · 2024Review
- Root symbiotic fungi improve nitrogen transfer and morpho-physiological performance inFrontiers in plant science · 2024Article
- Transcriptome and Metabolome Analyses Reveal Mechanisms Underlying the Response of Quinoa Seedlings to Nitrogen Fertilizers.International journal of molecular sciences · 2023Article
- Nitrogen sources differentially affect respiration, growth, and carbon allocation in Andean and Lowland ecotypes ofFrontiers in plant science · 2023Article
- Enriching Urea with Nitrogen Inhibitors Improves Growth, N Uptake and Seed Yield in Quinoa (Plants (Basel, Switzerland) · 2022Article
- Morphological and Physiological Traits Associated with Yield under Reduced Irrigation in Chilean Coastal Lowland Quinoa.Plants (Basel, Switzerland) · 2022Article
- Quinoa (Plants (Basel, Switzerland) · 2021Review
- Quinoa Phenotyping Methodologies: An International Consensus.Plants (Basel, Switzerland) · 2021Review
- Arginine Increases Tolerance to Nitrogen Deficiency inFrontiers in plant science · 2021Article
- Mineral nitrogen captured in field-aged biochar is plant-available.Scientific reports · 2020Article
- Seed characterization and early nitrogen metabolism performance of seedlings from Altiplano and coastal ecotypes of Quinoa.BMC plant biology · 2020Article
- RNA-seq Analysis of Salt-StressedGenes · 2019Article
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Authors and funding
10 authors.
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Abstract
Quinoa has been highlighted as a promising crop to sustain food security. The selection of physiological traits that allow identification genotypes with high Nitrogen use efficiency (NUE) is a key factor to increase Quinoa cultivation. In order to unveil the underpinning mechanisms for N-stress tolerance in Quinoa, three genotypes with similar phenology, but different NUE were developed under high (HN) or low (LN) nitrogen conditions. N metabolism processes and photosynthetic performance were studied after anthesis and in correlation with productivity to identify principal traits related to NUE. We found that protein content, net photosynthesis and leaf dry-mass were determinant attributes for yield at both HN and LN conditions. Contrastingly, the enhancement of N related metabolites ([Formula: see text], proline, betacyanins) and processes related with re-assimilation of [Formula: see text], including an increment of glutamine synthetase activity and up-regulation of CqAMT1,1 transporter expression in leaves, were negatively correlated with grain yield at both N conditions. Biochemical aspects of photosynthesis and root biomass were traits exclusively associated with grain yield at LN. The impact of N supply on seed quality is discussed. These results provide new insights towards the understanding the N metabolism of Quinoa.
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