ArticleRice (New York, N.Y.)2019
The Initiation of Inferior Grain Filling is Affected by Sugar Translocation Efficiency in Large Panicle Rice.
Article in Rice (New York, N.Y.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 60 citations in OpenAlex.
- The OsWRKY15-OsSUT3 Regulatory Module Enhances Rice Pollen Fertility by Mediating Sucrose Allocation to Anthers.Plant biotechnology journal · 2026Article
- Structural Volume Composition of Internodes is a Key Morphological Factor Contributing to Culm Non-structural Carbohydrate Accumulation in Rice.Rice (New York, N.Y.) · 2026Article
- Carbon-Nitrogen Metabolism Associated with Appearance Quality in Superior and Inferior Grains of Soft and Non-Soft Japonica Rice in Southern China.Plants (Basel, Switzerland) · 2026Article
- Nitrogen Fertilizer Application and Optimized Planting Density Enhance Rice Yield by Improving the Panicle Type Index and Increasing the Filling Rate of Inferior Grains.Plants (Basel, Switzerland) · 2025Article
- Differential ABA sensitivity of superior and inferior rice grains is linked to cell cycle entry into endoreduplication.Frontiers in plant science · 2025Article
- Indole-3-Acetic Acid (IAA) and Sugar Mediate Endosperm Development in Rice (Oryza sativa L.).Rice (New York, N.Y.) · 2024Article
- Drought stress reduces the photosynthetic source of subtending leaves and the transit sink function of podshells, leading to reduced seed weight in soybean plants.Frontiers in plant science · 2024Article
- Delayed Leaf Senescence Improves Radiation Use Efficiency and Explains Yield Advantage of Large Panicle-Type Hybrid Rice.Plants (Basel, Switzerland) · 2023Article
- The Inferior Grain Filling Initiation Promotes the Source Strength of Rice Leaves.Rice (New York, N.Y.) · 2023Article
- Response of Rice with Overlapping Growth Stages to Water Stress by Assimilates Accumulation and Transport and Starch Synthesis of Superior and Inferior Grains.International journal of molecular sciences · 2022Article
- Sucrose nonfermenting-1-related protein kinase 1 regulates sheath-to-panicle transport of nonstructural carbohydrates during rice grain filling.Plant physiology · 2022Article
- Sink Strength Promoting Remobilization of Non-Structural Carbohydrates by Activating Sugar Signaling in Rice Stem during Grain Filling.International journal of molecular sciences · 2022Article
- Efficiency of Sucrose to Starch Metabolism Is Related to the Initiation of Inferior Grain Filling in Large Panicle Rice.Frontiers in plant science · 2021Article
- Senescence-Specific Expression ofFrontiers in plant science · 2021Article
- Auxin-Mediated Regulation of Dorsal Vascular Cell Development May Be Responsible for Sucrose Phloem Unloading in Large Panicle Rice.Frontiers in plant science · 2021Article
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Authors and funding
8 authors at 1 institution in 2 countries.
Funding
Abstract
backgroundLarge panicle rice has a large sink capacity, but inferior spikelet filling is poor in this variety of rice due to asynchronous grain filling. The understanding of the factors that cause asynchronous grain filling will help to propose a model for how to regulate the rice inferior spikelets grain filling.
resultsIn this study, two large panicle rice varieties, W1844 and CJ03, with the same sink capacity but with differences in asynchronous grain filling were used. The difference in the grain filling rate between superior and inferior spikelets in W1844 was much smaller than that in CJ03. We found that superior spikelet filling was initiated earlier in W1844 than in CJ03. The source-to-sink translocation rate of sucrose during the grain filling stage was more efficient in W1844 than in CJ03, and the gene expression levels of sucrose transporters (OsSUTs) were higher in W1844 functional leaves than in those of CJ03. In addition, carbon output, the transport ratio, and the contribution rate from the stem and sheath to the panicle were much higher at the early filling stage than at later filling stages in W1844.
conclusionEfficient sugar translocation can satisfy high sink strength, and also the strong sink activity can facilitate the sugar unloading in spikelets. All the above results indicate that an efficient sugar translocation rate at the early grain filling stage can improve sink strength and inferior grain filling initiation. Strategies to limit asynchronous grain filling in rice were also discussed based on our findings.
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