Effects of Selenium on Photosynthetic Characteristics of Tomato Seedlings

DOI

10.2991/iceesd-18.2018.63How to use a DOI?

Keywords

Selenium; Tomato seedlings; Photosynthetic characteristics

Abstract

A pot experiment was conducted to study the effects of different concentrations selenium (Se) on the photosynthetic characteristics of tomato seedlings. The results showed that the photosynthetic parameters and photosynthetic pigment content of tomato seedlings increased first and then decreased, and reached the maximum at 5 mg/kg Se concentration. Compared with control, tomato plant height, stem diameter and root length increased by 35.44%, 20.59% and 85.40%, respectively, net photosynthetic rate, stomatal conductance, intercellular CO2 concentration and transpiration rate increased by 22.80%, 25.27%, 0.48% and 15.38%, respectively, chlorophyll a increased by 50.81%, chlorophyll b increased by 57.53%, total chlorophyll increased by 52.60% and carotenoid increased by 37.30%. In conclusion, the optimal concentration of Se was 5 mg/kg, the net photosynthetic rate and stomatal conductance of tomato seedlings were increased, the content of photosynthetic pigment was increased, and the growth of tomato seedlings was promoted.

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/).

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TY  - CONF
AU  - Liming Wang
AU  - Guochao Sun
AU  - Yi Tang
PY  - 2018/05
DA  - 2018/05
TI  - Effects of Selenium on Photosynthetic Characteristics of Tomato Seedlings
BT  - Proceedings of the 2018 7th International Conference on Energy, Environment and Sustainable Development (ICEESD 2018)
PB  - Atlantis Press
SP  - 366
EP  - 369
SN  - 2352-5401
UR  - https://doi.org/10.2991/iceesd-18.2018.63
DO  - 10.2991/iceesd-18.2018.63
ID  - Wang2018/05
ER  -