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Hydrogen Sulfide Affects the Root Development of Strawberry During Plug Transplant Production

by Jiangtao Hu 1,†, Yali Li 1,†, Ya Liu 1, Dong Il Kang 1, Hao Wei 1 and Byoung Ryong Jeong 1,2,3,*
1
Department of Horticulture, Division of Applied Life Science (BK21 Plus Program), Graduate School of Gyeongsang National University, Jinju 52828, Korea
2
Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
3
Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Agriculture 2020, 10(1), 12; https://doi.org/10.3390/agriculture10010012
Received: 7 December 2019 / Revised: 2 January 2020 / Accepted: 3 January 2020 / Published: 5 January 2020
(This article belongs to the Special Issue Innovative Agronomic Practices for Maximizing Crop Growth and Yield)
Hydrogen sulfide (H2S) is endogenously produced in plant cells and plays an essential role in root development. Given its potential for future agricultural applications, the optimal concentration of sodium hydrosulfide (NaHS, an H2S donor) and the potential mechanisms for root development in the strawberry ‘Seolhyang’ were investigated in this study. The results showed that NaHS with a concentration of 1.250 mM had a positive effect on root development in strawberry. Further experiments showed that exogenous NaHS elevated the H2S content in the root. The dry root weight was increased by the 1.250 mM NaHS treatment, but was reduced by the hypotaurine (an H2S scavenger) treatment. Similar changes were found between H2S and soluble sugar contents, indicating that H2S enhanced the accumulation of soluble sugar. Therefore, it is suggested that the accumulation of soluble sugar induced by H2S is either directly or indirectly involved in root development in strawberry during plug production. Moreover, superoxide dismutase was shown to have contributed to the elevated H2O2 contents. These results contribute to our understanding of the role that H2S plays and some of the relevant mechanisms in which H2S regulates root development. View Full-Text
Keywords: antioxidant enzyme; hydrogen peroxide; hydrogen sulfide; root development; soluble sugar antioxidant enzyme; hydrogen peroxide; hydrogen sulfide; root development; soluble sugar
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MDPI and ACS Style

Hu, J.; Li, Y.; Liu, Y.; Kang, D.I.; Wei, H.; Jeong, B.R. Hydrogen Sulfide Affects the Root Development of Strawberry During Plug Transplant Production. Agriculture 2020, 10, 12.

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