Root-centered sodium sequestration and transcriptomic regulation under salt and alkali stress in wild soybean (Glycine soja).

ABSTRACT: Salt and alkali stress are major constraints on soybean productivity, but their distinct impacts during early development remain insufficiently understood. Wild soybean (Glycine soja), a valuable genetic resource for stress tolerance, was evaluated under salt (0.6% and 1.2% NaCl) and alkali (pH 9.16) stress by assessing germination, seedling traits, ion accumulation, and transcriptomic responses. Salt stress permitted partial germination, whereas alkali stress completely suppressed radicle emergence. Seedling growth and height showed tolerance under salinity, but high pH caused severe wilting and mortality. Ion profiling revealed root Na⁺ sequestration with stem K⁺ buffering in salinity, whereas alkali stress confined Na⁺ to roots, maintaining the hi

SUBMITTER: Wang M 

PROVIDER: S-EPMC12488681 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature