Phenotypical, phytohormone and transcriptomic analysis revealed the mechanism of exogenous salicylic acid promoting alfalfa(Medicago sativa L.)germination under freezing stress.

Abstract excerpt

Freezing stress (FS), especially during germination, severely impacts the growth, development, productivity, and distribution of alfalfa (Medicago sativa L.). Exogenous salicylic acid (SA), a signal molecule involved in abiotic stress responses, effectively improves the FS response of seeds. We investigate changes in seedling phenotype and hormone contents, and perform transcriptome analyses to identify how SA...

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