Amelioration of Mn toxicity by Brassinosteroids in Brassica juncea L.
by Renu Bhardwaj, Priyanka Sharma, Nitika Arora, Hardesh Kumar Arora
International Journal of Environment and Waste Management (IJEWM), Vol. 8, No. 1/2, 2011

Abstract: The effects of 28-homobrassinolide (28-homoBL) on protein content and antioxidative enzyme activities in 7-days old Brassica juncea L. seedlings were studied. The seeds pre-treated with different concentrations of 28-homoBL were germinated in Petriplates supplied with various concentrations of heavy metal (Mn). The activities of superoxide dismutase, catalase, ascorbate peroxidase, guaiacol peroxidase and glutathione reductase of 7-days old seedlings were analysed. It was observed that 28-homoBL reduced the toxicity of heavy metal on seedling growth by influencing the protein content and antioxidative enzyme activities. Pre-treatment of 28-homoBL was found to be significantly effective in increasing the activities of all antioxidative enzymes.

Online publication date: Sat, 24-Jan-2015

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