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    Abstract
2017 (Vol. 13, Issue: 7)
Research Article

Impacts of Brassinolide on the Photosynthetic Characteristics of 'Qiyuexian' Jujube

1Halina Hamaila, 2Xiaoxi Zhang and 3Gang Han
1College of Natural Resources and Environment, Northwest A&F University, Yangling Shaanxi 712100, China
2College of Life Sciences, Yan’an University, Yan’an 716000, China
3College of Forestry, Northwest A&F University, Yangling Shaanxi 712100, China
 

DOI: 10.19026/ajfst.13.5283
Submitted Accepted Published
August 31, 2017 September 17, 2017 December 25, 2017

  How to Cite this Article:

1Halina Hamaila, 2Xiaoxi Zhang and 3Gang Han, 2017. Impacts of Brassinolide on the Photosynthetic Characteristics of 'Qiyuexian' Jujube.  Advance Journal of Food Science and Technology, 13(7): 291-296.

DOI: 10.19026/ajfst.13.5283

URL: http://www.maxwellsci.com/jp/mspabstract.php?jid=AJFST&doi=ajfst.13.5283

Abstract:


The jujube cultivar ‘Qiyuexian’ was chosen as object in this study. Effects of different concentrations of brassinolide (BL) on its characteristic parameters of light/CO2 response curve were investigated. The results indicated that the mentioned parameters were significantly affected by the concentrations of BL. The Light Saturation Point (LSP) was significantly increased by 17.42% after being treated by 0.1 mg/L BL. After spraying 0.2 mg/L BL, the maximum net photosynthetic rate (Pnmax), apparent quantum efficiency (AQY), LSP, maximum carboxylation rate (Vcmax), maximum rate of photosynthetic electron transport (Jmax) and Triose Phosphate Utilization rate (TPU) were significantly increased by 21.14, 20.26, 21.95, 21.14, 20.26 and 21.95%, respectively. The AQY, LCP, LSP, Vcmax and Jmax were significantly increased by 12.55, 60.75, 19.00, 20.96 and 20.06% respectively after being treated by 0.3 mg/L BL, while the LCP and LSP were significantly increased by 65.53% and 25.79% respectively after being treated by 0.4 mg/L BL. In conclusion, 0.2 mg/L BL treatment could significantly accelerate the overall photosynthetic ability of “Qiyuexian” jujube, promoting its accumulation of assimilative products, which is beneficial to increase the production and quality of jujube fruits.

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    Competing interests

The authors have no competing interests.
    Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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© The Author(s) 2017

ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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