Backgrounds: Hu is a deciduous tree in the family, and it is classified as a Class II endangered plant in China. Seed storage technology is an effective means of conserving germplasm resources, but the effects of different storage conditions on the quality and associated metabolism of seeds remain unclear. This study analyzed the physiological and metabolic characteristics of seeds under four storage conditions.
Results: Our findings demonstrate that reducing seed moisture content and storage temperature effectively prolongs storage life. Seeds stored under that condition exhibited higher internal nutrient levels, lower endogenous abscisic acid (ABA) hormone levels, and elevated gibberellic acid (GA) levels. Additionally, 335 metabolites were identified under four different storage conditions. The analysis indicates that seeds extend seed longevity and maintain cellular structural stability mainly by regulating the changes in metabolites related to lipid, amino acid, carbohydrate, and carotenoid metabolic pathways under the storage conditions of a low temperature and low seed moisture.
Conclusions: These findings provide new insights at the physiological and metabolic levels into how these storage conditions extend seed longevity while also offering effective storage strategies for preserving the germplasm resources of .
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11434619 | PMC |
| http://dx.doi.org/10.3390/metabo14090503 | DOI Listing |
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