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February 9, 2026Frontiers in Plant ScienceOpen Access

Increasing dissolved oxygen in water enhances the flooding tolerance of Carya illinoinensis

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Authors

XCXue ChenXWXia WangHHHaibo Hu

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Overview

Pot experiment shows enhanced dissolved oxygen boosts flooding tolerance in Carya illinoinensis, indicating viable management strategies.

Key Points

  • To investigate the effects of increased dissolved oxygen on flooding tolerance in Carya illinoinensis seedlings.
  • Conducted pot experiment with two Carya illinoinensis cultivars under different oxygen treatments: control, high-oxygen, and low-oxygen.
  • Evaluated morphological, growth, and physiological responses of seedlings after flooding for 60 days.
  • Measured leaf injury rate, growth rates, and biochemical markers such as malondialdehyde and soluble protein content.
  • High-oxygen treatment significantly reduced leaf injury rate (up to 11.11% lower in 'Mahan').
  • Increased growth rates in plant height (up to 166.67%), total biomass (up to 18.17%), and root-to-shoot ratio (up to 34.94%).
  • Decreased malondialdehyde, soluble protein content, and activities of superoxide dismutase and catalase by notable percentages.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69897983f0ec2af6756e7369https://doi.org/10.3389/fpls.2026.1755986
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Also Consider

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  5. 5Responses of a Dominant Wetland Grass, Cynodon dactylon, to Flooding and Drought Stress in the Drawdown Zone of the Three Gorges Reservoir, China: A Trait-Based Meta-Analysis2026