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May 23, 2026Journal of Bio-Environment ControlOpen Access

Exogenous Application of Hydrogen Peroxide Alleviates High-temperature Stress in Hami Melon Seedlings

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Authors

DHDasom HanMKMi-Kyung KwonHJHyun Dong Jang

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Overview

Randomized trial evaluates hydrogen peroxide's role in alleviating heat stress in Hami melon seedlings, suggesting effective stress management.

Key Points

  • This research aims to evaluate the effectiveness of exogenous hydrogen peroxide in reducing high-temperature stress in Hami melon seedlings.
  • Three-week-old Hami melon seedlings were treated with 250 mM hydrogen peroxide via foliar spray every three days.
  • Seedlings were exposed to high-temperature conditions (35°C day/24°C night).
  • Growth traits, leaf area, total chlorophyll, and antioxidant activity were measured before and after treatment.
  • High-temperature stress significantly inhibited growth and reduced total chlorophyll content in untreated seedlings.
  • Hydrogen peroxide treatment enhanced antioxidant enzyme activities (SOD and CAT) and reduced malondialdehyde levels, indicating improved redox status.
  • Lignin content increased significantly with hydrogen peroxide treatment, supporting structural defenses against heat stress.

Cite This Study

Han et al. (2026) studied this question.

synapsesocial.com/papers/6a11433d48a409a3a49de477https://doi.org/10.12791/ksbec.2026.35.2.057
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