ArticleFrontiers in plant science2023
Variation in nitrogen partitioning and reproductive stage nitrogen remobilization determines nitrogen grain production efficiency (NUEg) in diverse rice genotypes under varying nitrogen supply.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 29 citations in OpenAlex.
- Bacterial Community Expansion and Nutrient Activation Underlie Yield Improvement Following Diazotrophic Inoculant Application in Paddy Soil.Microorganisms · 2026Article
- Aus rice: a source of promising donor genotypes for low N tolerance under field conditions.Scientific reports · 2026Article
- Cereal protein biofortification at the interface of nutrition, yield and sustainability.Nature plants · 2026Review
- Coordinated Application of Nitrogen and Sulfur Synergistically Enhances Grain Yield and Grain Protein Concentration of Rice by Regulating Plant Growth.Plants (Basel, Switzerland) · 2026Article
- Regulation of grain protein content by the amino acid permease gene OsAAP4 in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Enhancing cereal productivity via nitrogen use efficiency: from conventional breeding to modern genomics.Frontiers in genetics · 2026Review
- Elevated temperature and enhanced UV-B radiation alter soil nitrogen supply and allocation within rice plants in high-altitude paddy fields.BMC plant biology · 2025Article
- Effect of Nitrogen and Phosphorus Fertilizers on Dry Matter Accumulation and Translocation of Two Amylose ContentPlants (Basel, Switzerland) · 2025Article
- Nitrogen accountancy in space agriculture.NPJ microgravity · 2024Article
- Nitric oxide synthase expression in Pseudomonas koreensis MME3 improves plant growth promotion traits.Applied microbiology and biotechnology · 2024Article
- Optimizing plant growth, nutrient uptake, and yield of onion through the application of phosphorus solubilizing bacteria and endophytic fungi.Frontiers in microbiology · 2024Article
- Agronomic performance and remote sensing assessment of organic and mineral fertilization in rice fields.Frontiers in plant science · 2023Article
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5 authors at 3 institutions in 1 country.
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Abstract
Nitrogen (N) is an important macronutrient needed for grain yield, grain N and grain protein content in rice. Grain yield and quality are significantly determined by N availability. In this study, to understand the mechanisms associated with reproductive stage N remobilization and N partitioning to grain 2 years of field experiments were conducted with 30 diverse rice genotypes during 2019-Kharif and 2020-Kharif seasons. The experiments were conducted with two different N treatments; N deficient (N0-no external N application, available soil N; 2019-234.15 kgha-1, 2020-225.79 kgha-1) and N sufficient (N120-120 kgha-1 external N application, available soil N; 2019-363.77 kgha-1, 2020-367.95 kgha-1). N application increased the NDVI value, biomass accumulation, grain yield, harvest index and grain N accumulation. Post-anthesis N uptake and N remobilization from vegetative tissues to grain are critical for grain yield and N harvest index. Rice genotypes, Kalinga-1, BAM-4234, IR-8384-B-B102-3, Sahbhagi Dhan, BVD-109 and Nerica-L-42 showed a higher rate of N remobilization under N sufficient conditions. But, under N deficiency, rice genotypes-83929-B-B-291-3-1-1, BVD-109, IR-8384-B-B102-3 and BAM-4234 performed well showing higher N remobilization efficiency. The total amount of N remobilization was recorded to be high in the N120 treatment. The harvest index was higher in N120 during both the cropping seasons. RANBIR BASMATI, BAM-832, APO, BAM-247, IR-64, Vandana, and Nerica-L-44 were more efficient in N grain production efficiency under N deficient conditions. From this study, it is evident that higher grain N accumulation is not always associated with higher yield. IR-83929-B-B-291-3-1-1, Kalinga-1, APO, Pusa Basmati-1, and Nerica-L-44 performed well for different N use efficiency component traits under both N deficient (N0) and N sufficient (N120) conditions. Identifying genotypes/donors for N use efficiency-component traits is crucial in improving the fertilizer N recovery rate and site specific N management.
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