ArticleBotanical studies2016
Nitrogen deficiency impacts on leaf cell and tissue structure with consequences for senescence associated processes in Brassica napus.
Article in Botanical studies, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 18 citations in OpenAlex.
- Genetic Foundation of Leaf Senescence: Insights from Natural and Cultivated Plant Diversity.Plants (Basel, Switzerland) · 2024Review
- Genome-Wide Characterization of High-Affinity Nitrate Transporter 2 (NRT2) Gene Family inInternational journal of molecular sciences · 2022Article
- Nitrogen deficiency regulates premature senescence by modulating flag leaf function, ROS homeostasis, and intercellular sugar concentration in rice during grain filling.Journal, genetic engineering & biotechnology · 2021Article
- Genomics-Assisted Identification and Characterization of the Genetic Variants Underlying Differential Nitrogen Use Efficiencies in Allotetraploid Rapeseed Genotypes.G3 (Bethesda, Md.) · 2018Article
- A mobile NMR lab for leaf phenotyping in the field.Plant methods · 2017Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Improvement of nutrient use efficiency is a major goal for several crop plants, especially Brassica napus. Indeed, the low nitrogen use efficiency (NUE) in this crop results in negative economic and ecological consequences. The low NUE of oilseed rape is mainly due to low remobilization of nitrogen from vegetative parts to growing organs. Remobilization of leaf nitrogen takes place during senescence, a process known to strongly modify cell and tissue structure. This study focused on the impact of moderate N depletion, expected to induce 30 % reduction of seed yield, on these structural modifications. Two genotypes (Aviso and Express) were studied, with different tolerance of nitrogen depletion, evaluated through seed yield and dry mass production. Structural modifications of leaf cells and tissues were investigated through NMR relaxometry and light microscopy. Lower tolerance of N depletion was associated with higher impact on senescence associated structural modification pattern. The link between leaf structure modifications and nutrient remobilization is discussed. It is proposed that leaf structure monitoring during senescence through NMR device could be developed to select genotypes with high NUE.
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Registered trials
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