ArticleFrontiers in plant science2014
Zinc allocation and re-allocation in rice.
Article in Frontiers in plant science, 2014. 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.
- From paddy soil to dining table: biological biofortification of rice with zinc.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- Evaluation of Blast Resistance in Zinc-Biofortified Rice.Plants (Basel, Switzerland) · 2025Article
- Differential Effects of Senescence on the Phloem Exports of Cadmium and Zinc from Leaves to Grains in Rice during Grain Filling.Plants (Basel, Switzerland) · 2023Article
- Enrichment of Grapes with Zinc-Efficiency of Foliar Fertilization with ZnSOPlants (Basel, Switzerland) · 2022Article
- Genetic Manipulation for Improved Nutritional Quality in Rice.Frontiers in genetics · 2020Review
- A new glance on root-to-shoot in vivo zinc transport and time-dependent physiological effects of ZnSOScientific reports · 2019Article
- Zinc Uptake, Translocation, and Remobilization in Winter Wheat as Affected by Soil Application of Zn Fertilizer.Frontiers in plant science · 2019Article
- Article
- Zn uptake behavior of rice genotypes and its implication on grain Zn biofortification.Scientific reports · 2016Article
- Advances in breeding for high grain Zinc in Rice.Rice (New York, N.Y.) · 2016Review
- Phosphorus uptake, partitioning and redistribution during grain filling in rice.Annals of botany · 2016Article
- Association of Increased Grain Iron and Zinc Concentrations with Agro-morphological Traits of Biofortified Rice.Frontiers in plant science · 2016Article
- Uptake and distribution of soil applied zinc by citrus trees-addressing fertilizer use efficiency with 68Zn labeling.PloS one · 2015Article
- From soil to seed: micronutrient movement into and within the plant.Frontiers in plant science · 2014Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsAgronomy and breeding actively search for options to enhance cereal grain Zn density. Quantifying internal (re-)allocation of Zn as affected by soil and crop management or genotype is crucial. We present experiments supporting the development of a conceptual model of whole plant Zn allocation and re-allocation in rice.
methodsTwo solution culture experiments using (70)Zn applications at different times during crop development and an experiment on within-grain distribution of Zn are reported. In addition, results from two earlier published experiments are re-analyzed and re-interpreted.
resultsA budget analysis showed that plant zinc accumulation during grain filling was larger than zinc allocation to the grains. Isotope data showed that zinc taken up during grain filling was only partly transported directly to the grains and partly allocated to the leaves. Zinc taken up during grain filling and allocated to the leaves replaced zinc re-allocated from leaves to grains. Within the grains, no major transport barrier was observed between vascular tissue and endosperm. At low tissue Zn concentrations, rice plants maintained concentrations of about 20 mg Zn kg(-1) dry matter in leaf blades and reproductive tissues, but let Zn concentrations in stems, sheath, and roots drop below this level. When plant zinc concentrations increased, Zn levels in leaf blades and reproductive tissues only showed a moderate increase while Zn levels in stems, roots, and sheaths increased much more and in that order.
conclusionsIn rice, the major barrier to enhanced zinc allocation towards grains is between stem and reproductive tissues. Enhancing root to shoot transfer will not contribute proportionally to grain zinc enhancement.
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