Journal of Stress Physiology & Biochemistry, Vol. 9 No. 4 2013, pp. 53-64 ISSN 1997-0838
Original Text Copyright (cc) 2013 by    Kaur, Sharma, Sirhindi



ORIGINAL ARTICLE
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Sugar Accumulation and its Regulation by Jasmonic Acid in Brassica napus L. under Salt Stress

Harpreet Kaur*, Poonam Sharma and Geetika Sirhindi

  Departmant of Botany, Punjabi university, Patiala, 147002, Punjab, India

*E-Mail:  sekhon.harpreet123@gmail.com


Received May 24, 2013


The effects of Jasmonic acid (JA) on sugar accumulation and protein content in 12-days old Brassica napus L. seedlings were studied. The seeds pre-treated with different concentrations of jasmonic acid were germinated in Petriplates supplied with various concentrations of salt stress (NaCl). The contents of total chlorophyll, total sugars, reducing sugars, non-reducing sugars, total carbohydrates and total protein content of 12-days old seedlings were analysed.
It was observed that JA reduced the toxicity of salt stress on seedling growth by influencing the chlorophyll content and protein content. Pre-treatment of jasmonic acid was found to be significantly effective in increasing the contents of sugars.

Key words:   Canola, Sodium chloride, Jasmonates, Reducing sugars, Photosynthetic pigments

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