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Open AccessArticle

Crop Enhancement of Cucumber Plants under Heat Stress by Shungite Carbon

by 1, 1 and 1,2,*
1
Department of Biomedical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul 04107, Korea
2
Department of Mechanical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul 04107, Korea
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(14), 4858; https://doi.org/10.3390/ijms21144858
Received: 4 June 2020 / Revised: 4 July 2020 / Accepted: 6 July 2020 / Published: 9 July 2020
(This article belongs to the Special Issue Regional Adaptation of Crop Plant in Response to Environmental Stress)
Heat stress negatively impacts plant growth and yield. The effects of carbon materials on plants in response to abiotic stress and antioxidant activity are poorly understood. In this study, we propose a new method for improving heat tolerance in cucumber (Cucumis sativus L.) using a natural carbon material, shungite, which can be easily mixed into any soil. We analyzed the phenotype and physiological changes in cucumber plants maintained at 35 °C or 40 °C for 1 week. Our results show that shungite-treated cucumber plants had a healthier phenotype, exhibiting dark green leaves, compared to the plants in the control soil group. Furthermore, in the shungite-treated plants, the monodehydroascorbate content (a marker of oxidative damage) of the leaf was 34% lower than that in the control group. In addition, scavengers against reactive oxygen species, such as superoxide dismutase, catalase, and peroxidase were significantly upregulated. These results indicate that the successive pre-treatment of soil with a low-cost natural carbon material can improve the tolerance of cucumber plants to heat stress, as well as improve the corresponding antioxidant activity. View Full-Text
Keywords: heat stress; cucumber; abiotic stress; natural carbon; shungite; antioxidant activity heat stress; cucumber; abiotic stress; natural carbon; shungite; antioxidant activity
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MDPI and ACS Style

Kim, T.Y.; Ku, H.; Lee, S.-Y. Crop Enhancement of Cucumber Plants under Heat Stress by Shungite Carbon. Int. J. Mol. Sci. 2020, 21, 4858. https://doi.org/10.3390/ijms21144858

AMA Style

Kim TY, Ku H, Lee S-Y. Crop Enhancement of Cucumber Plants under Heat Stress by Shungite Carbon. International Journal of Molecular Sciences. 2020; 21(14):4858. https://doi.org/10.3390/ijms21144858

Chicago/Turabian Style

Kim, Tae Y.; Ku, Hara; Lee, Seung-Yop. 2020. "Crop Enhancement of Cucumber Plants under Heat Stress by Shungite Carbon" Int. J. Mol. Sci. 21, no. 14: 4858. https://doi.org/10.3390/ijms21144858

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