Effects of Exogenous Melatonin on Photosynthetic Characteristics of Chinese Cabbage Seedlings under Aluminum Stress

DOI

10.2991/aeece-16.2016.13How to use a DOI?

Keywords

Exogenous melatonin; Chinese cabbage; Aluminum stress

Abstract

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of Chinese cabbage under aluminum (Al) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 50, 100, 200 and 400 mol-L-1 concentrations of melatonin solution. The results showed that melatonin enhanced net photosynthetic rate (Pn) and transpiration rate (Tr) of Chinese cabbage significantly. With the increasing of melatonin concentration, photosynthetic capacities of Chinese cabbage seedlings were enhanced. The result of light use efficiency (LUE), water use efficiency (WUE) and stomatal conductance (Gs) were the same as Pn. Spraying different concentrations of melatonin on Chinese cabbage under aluminum stress has not significant effect on CO2 concentration of intercellular (Ci). Therefore, melatonin could use to enhance the photosynthetic ability of Chinese cabbage, which would help to improve the adaptability of Chinese cabbage, and the best concentration of melatonin was 200 mol-L-1.

Copyright

© 2016, 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  - Yi Tang
AU  - Jingxian Li
AU  - Enze Zhang
AU  - Huanxiu Li
PY  - 2016/07
DA  - 2016/07
TI  - Effects of Exogenous Melatonin on Photosynthetic Characteristics of Chinese Cabbage Seedlings under Aluminum Stress
BT  - Proceedings of the 2016 2nd International Conference on Advances in Energy, Environment and Chemical Engineering (AEECE 2016)
PB  - Atlantis Press
SP  - 60
EP  - 63
SN  - 2352-5401
UR  - https://doi.org/10.2991/aeece-16.2016.13
DO  - 10.2991/aeece-16.2016.13
ID  - Tang2016/07
ER  -