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Soybean is a vital source of vegetable oil, protein, feed, and industrial raw materials, yet its yield remains considerably lower than that of major cereal crops. Unlike rice and wheat, which rely heavily on nitrogen fertilizers to promote tillering and enhance productivity, soybean acquires over 70% of its nitrogen through symbiotic nitrogen fixation. Tang et al. (pages 75–95) report that knockout of the gibberellin receptor gene GmGID1‐2 boosts both soybean yield and nitrogen fixation—a dual benefit not observed in the semi‐dwarf mutants of cereals. The cover image illustrates a GmGID1‐2 knockout soybean plant (right) that, despite its shorter stature, exhibits increased branching, more pods and seeds, and ultimately higher yield compared to the wild type (left), alongside a root system with more nodules and greater capacity to fix nitrogen. The pleiotropic benefits of GmGID1‐2 knockout alleles suggest a promising strategy for advancing sustainable soybean agriculture.

Publication Details

Journal
Journal of Integrative Plant Biology
Published
2026-01-01
DOI
https://doi.org/10.1111/jipb.70123
Primary Topic
Soybean genetics and cultivation
Type
article
Field-Weighted Citation Impact
0.00
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Cover Image:

Journal of Integrative Plant Biology
Soybean genetics and cultivation
article

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Abstract

Soybean is a vital source of vegetable oil, protein, feed, and industrial raw materials, yet its yield remains considerably lower than that of major cereal crops. Unlike rice and wheat, which rely heavily on nitrogen fertilizers to promote tillering and enhance productivity, soybean acquires over 70% of its nitrogen through symbiotic nitrogen fixation. Tang et al. (pages 75–95) report that knockout of the gibberellin receptor gene GmGID1‐2 boosts both soybean yield and nitrogen fixation—a dual benefit not observed in the semi‐dwarf mutants of cereals. The cover image illustrates a GmGID1‐2 knockout soybean plant (right) that, despite its shorter stature, exhibits increased branching, more pods and seeds, and ultimately higher yield compared to the wild type (left), alongside a root system with more nodules and greater capacity to fix nitrogen. The pleiotropic benefits of GmGID1‐2 knockout alleles suggest a promising strategy for advancing sustainable soybean agriculture.

Journal of Integrative Plant BiologyVol. 68(1)
Zero hunger
Openalex Percentile: Top 93%
Soybean genetics and cultivation
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Cover Image: · Journal of Integrative Plant Biology (2026) | TGRS Research Map | TGRS