, Volume 47, Issue 2, pp 317–320 | Cite as

Effect of 24-epibrassinolide on the photosynthetic activity of radish plants under cadmium stress

  • S. AnuradhaEmail author
  • S. Seeta Ram Rao
Brief Communication


The present study was conducted to study the effect of 24-epibrassinolide (EBL) on changes of plant growth, net photosynthetic rate, carbonic anhydrase (E.C. and nitrate reductase (E.C. activities in the leaves of Raphanus sativus L. under the influence of cadmium (Cd) stress. Cd reduced plant growth, photosynthetic pigment levels, net photosynthetic rate and the activities of carbonic anhydrase and nitrate reductase. However seed application of EBL reduced the toxic effect of Cd on plant growth, pigment content, photosynthesis and enzyme activities. The studies clearly demonstrated the ameliorating effect of 24-epibrassinolide in mitigating the toxicity of Cd in plants.

Additional key words

cadmiun carbonic anhydrase carotenoids chlorophyll growth nitrate reductase photosynthesis radish seedlings 



carbonic anhydrase






dry mass




fresh mass


stomatal conductance


heavy metals


nitrate reductase


plant growth regulators


net photosynthetic rate


ribulose-1,5-bisphosphate carboxylase/oxygenase


relative water content


turgor mass


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Department of BotanyOsmania UniversityHyderabadIndia

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