Sodium selenite improves the vase life of Eustoma grandiflorum cut flowers

Ninghai Lu, Limin Wu, Chaohui Zhang and Changjuan Shan
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Ninghai Lu: Henan Institute of Science and Technology, Xinxiang, China
Limin Wu: Henan Institute of Science and Technology, Xinxiang, China
Chaohui Zhang: Henan Institute of Science and Technology, Xinxiang, China

Horticultural Science, 2022, vol. 49, issue 4, 248-256

Abstract: Previous studies indicated that the antioxidant and water balance capacity played important roles in improving the vase life of cut flowers. As a trace element, selenium (Se) has been proven to play an important role in extending the vase life of lily cut flowers. However, there is still no report on the effects of Se on the vase life of other cut flowers. In this study, we explored the role of inorganic selenium, named sodium selenite (Na2SeO3), in improving the vase life of Eustoma grandiflorum cut flowers. Compared with the control (distilled water) and the other Na2SeO3 concentrations, 4.0 mg/L Na2SeO3 significantly increased the superoxide dismutase, catalase, ascorbate peroxidase glutathione reductase, glutathione peroxidase and glutathione S-transferase activities, and decreased the malondialdehyde content and the electrolyte leakage. Meanwhile, compared with the control and the other of Na2SeO3 concentrations, 4.0 mg/L Na2SeO3 significantly increased the soluble sugar, proline and soluble protein contents, relative water content, average fresh weight change rate and average water balance value. The above results imply that Na2SeO3 showed an important role in strengthening the antioxidant capacity and maintaining the water balance. Besides, 4.0 mg/L Na2SeO3 significantly increased the flower diameter and the vase life. The above findings suggested that Na2SeO3 extended the vase life and the ornamental value of E. grandiflorum cut flowers by enhancing the antioxidant capacity and water balance, which provides new knowledge for the application of Na2SeO3 in improving the fresh keeping of E. grandiflorum cut flowers.

Keywords: Lisianthus; inorganic selenium; preservation; antioxidant enzyme; osmotic adjustment (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:49:y:2022:i:4:id:61-2021-hortsci

DOI: 10.17221/61/2021-HORTSCI

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