Selenium Accumulation Characteristics of Tomato Seedlings
- DOI
- 10.2991/icammce-18.2018.19How to use a DOI?
- Keywords
- Selenium; Tomato seedlings; Growth characteristics
- Abstract
A pot experiment was conducted to study the selenium accumulation characteristics of tomato seedlings under different concentrations of selenium. Four treatments were used in the experiment: soil was constructed by adding 0, 5, 10, 25 mg/kg exogenous selenium. The fresh weight and selenium contents in roots, stems and leaves of tomato seedlings were determined. The results showed that the selenium contents of tomato seedling organs increased with the increase of soil selenium concentration. The biomass of roots, stems and leaves of tomato seedlings increased firstly and then decreased with the increase of soil selenium concentration, and reached the maximum value when the soil selenium concentration was 5 mg/kg, which was 94.59%, 33.16% and 40.09% higher than the control, respectively. However, the biomass decreased significantly when the soil selenium concentration reached 25 mg/kg, which was 52.51%, 67.42%, 70.14% lower than the control. Therefore, low concentration selenium could increase the biomass and promote the growth of tomato seedlings. However, the high concentration of selenium could reduce the biomass of tomato seedlings, inhibit the growth of tomato seedlings, and produce toxic effects in severe cases. The concentration of 5 mg/kg Se was the best.
- Copyright
- © 2018, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Liming Wang AU - Guochao Sun AU - Jichao Liao AU - Yi Tang PY - 2018/05 DA - 2018/05 TI - Selenium Accumulation Characteristics of Tomato Seedlings BT - Proceedings of the 2018 3rd International Conference on Advances in Materials, Mechatronics and Civil Engineering (ICAMMCE 2018) PB - Atlantis Press SP - 85 EP - 88 SN - 2352-5401 UR - https://doi.org/10.2991/icammce-18.2018.19 DO - 10.2991/icammce-18.2018.19 ID - Wang2018/05 ER -