ArticleScientific reports2020
High yielding ability of a large-grain rice cultivar, Akita 63.
Article in Scientific reports, 2020. 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.
- Natural variation in LONELY GUY-Like 1 regulates rice grain weight under warmer night conditions.Plant physiology · 2024Article
- Agronomic potential of plant-specific Gγ proteins.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- QTL Mapping of Tiller Number in KoreanGenes · 2023Article
- ThreeInternational journal of molecular sciences · 2023Article
- Effect of Heading Date on the Starch Structure and Grain Yield of Rice Lines with Low Gelatinization Temperature.International journal of molecular sciences · 2022Article
- ThePlant direct · 2022Article
- Improving Agricultural Traits While Maintaining High Resistant Starch Content in Rice.Rice (New York, N.Y.) · 2022Article
- Effects of Various Allelic Combinations of Starch Biosynthetic Genes on the Properties of Endosperm Starch in Rice.Rice (New York, N.Y.) · 2022Review
- Contribution of the grain size QTLBreeding science · 2022Article
- Photosynthetic Enhancement, Lifespan Extension, and Leaf Area Enlargement in Flag Leaves Increased the Yield of Transgenic Rice Plants Overproducing Rubisco Under Sufficient N Fertilization.Rice (New York, N.Y.) · 2022Article
- Parent-of-Origin Effects on Seed Size Modify Heterosis Responses inFrontiers in plant science · 2022Article
- Genetic and Molecular Factors Determining Grain Weight in Rice.Frontiers in plant science · 2021Review
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8 authors.
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Abstract
To increase the yield potential while limiting the environmental impact of N management practices is an important issue in rice cultivation. The large-grain rice cultivar Akita 63 showed higher N-use efficiency for grain production. To elucidate this, we analyzed yield characteristics of Akita 63 in comparison with those of a maternal cultivar, Oochikara with a large grain, a paternal cultivar, Akita 39 with a normal grain, and a Japanese leading cultivar, Akitakomachi. The yields of Akita 63 were 20% higher than those of Oochikara and Akita 39, and 50% higher than those of Akitakomachi for the same N application. Akita 63 showed superior N uptake capacity. Whereas a trade-off between single grain weight and grain number was found for Oochikara, Akita 63 did not show such a relationship. The success in Akita 63 breeding was due to overcoming such a trade-off. Akita 63 had the large-grain alleles of GS3 and qSW5. Thus, an enlargement of grain size can have a great impact on an increase in yield with improved N-use efficiency. However, an enlargement of sink capacity led to source limitation. Thus, both sink and source improvements are essential for a further increase in the yield of today's high-yielding cultivars.
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