ArticleFrontiers in plant science2024
Seed priming with ascorbic acid and spermidine regulated auxin biosynthesis to promote root growth of rice under drought stress.
Article in Frontiers in plant science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Molecular Mechanisms of Plant Stress Tolerance: From Stress Perception to Phytohormonal Crosstalk and Transcriptional Regulation.Current issues in molecular biology · 2026Review
- Tissue-specific metabolomic profiling reveals cultivar-dependent drought tolerance mechanisms in rice (Oryza sativa L.).BMC plant biology · 2026Article
- Exogenous putrescine enhances salt tolerance inFrontiers in plant science · 2025Article
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Authors and funding
8 authors.
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Abstract
Introduction: Drought stress severely hampers seedling growth and root architecture, resulting in yield penalties. Seed priming is a promising approach to tolerate drought stress for stand establishment and root development. Methods: Here, various seed priming treatments, Results and discussion: Results demonstrated that drought severely suppressed seedling establishment, while AsA or Spd priming effectively alleviated the inhibitory effects of drought stress, and significantly increased shoot length (24.5-27.9%), root length (34.6-38.8%), shoot dry weight (56.1-97.1%), root dry weight (39.6-40.6%), total root length (47.0-57.8%), surface area (77.0-84.9%), root volume (106.5-109.8%), average diameter (16.4-19.7%), and root tips (46.8-61.1%); meanwhile, priming with AsA or Spd alleviated microscopic and ultrastructural damage from root cell, and improved root activity (183.8-192.0%). The mitigating effects of AsA or Spd priming on drought stress were primarily responsible for decreasing the accumulation of reactive oxygen species by increasing antioxidants activities and osmoprotectants contents, which reduced oxidative stress and osmotic cell potential and facilitated improved water and nutrients absorption in roots. Additionally, seed priming with AsA or Spd substantially improved auxin synthesis by upregulating of
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