ArticleEcology and evolution2024
Decoupling of nitrogen allocation and energy partitioning in rice after flowering.
Article in Ecology and evolution, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Nitrogen use efficiency of flue-cured tobacco genotypes: physiological basis and relative contributions of nitrogen uptake and utilization.Frontiers in plant science · 2026Article
- Article
- Influence of fertilization on the dynamics of energy use in wheat.Plant phenomics (Washington, D.C.) · 2025Article
- Decoupling of nitrogen allocation and energy partitioning in rice after flowering.Ecology and evolution · 2024Article
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8 authors.
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Abstract
Estimation of energy partitioning at leaf scale, such as fluorescence yield (ΦF) and photochemical yield (ΦP), is crucial to tracking vegetation gross primary productivity (GPP) at global scale. Nitrogen is an important participant in the process of light capture, electron transfer, and carboxylation in vegetation photosynthesis. However, the quantitative relationship between leaf nitrogen allocation and leaf energy partitioning remains unexplored. Here, a field experiment was established to explore growth stage variations in energy partitioning and nitrogen allocation at leaf scale using active fluorescence detection and photosynthetic gas exchange method in rice in the subtropical region of China. We observed a strongly positive correlation between the investment proportion of leaf nitrogen in photosynthetic system and ΦF during the vegetative growth stage. There were significant differences in leaf energy partitioning, leaf nitrogen allocation, and the relationship between ΦF and ΦP before and after flowering. Furthermore, flowering weakened the correlation between the investment proportion of leaf nitrogen in photosynthetic system and ΦF. These findings highlight the crucial role of phenological factors in exploring seasonal photosynthetic dynamics and carbon fixation of ecosystems.
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