This research examines gene flow effects on hybrid fitness in soybeans, suggesting caution for crop release near wild populations.
If initial hybridization occurs, GT transgenes could introgress into wild soybean populations to produce fitness-enhanced trait-segregating and segregation-distorted F₄. Trait-segregating may have a major role in hybrids adapting to a wider range of ecological niches, whereas segregation distortion may promote establishment in wild soybean habitats. Thus, effective measures are needed to prevent gene flow from GT soybean released in regions sympatric with wild soybean.
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Liang et al. (2026) studied this question.
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