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    • Keywords


      Elevated CO2 concentration; photosynthesis; Hevea brasiliensis ; biomass; leaf area

    • Abstract


      To study the effect of elevated CO2 concentration on plant growth and photosynthesis, two clones ofHevea brasiliensis were grown in polybags and exposed to elevated concentration (700±25ppm) for 60 days. There was higher biomass accumulation, leaf area and better growth when compared to ambient air grown plantso From A/Ci curves it is clear that photosynthetic rates increases with increase in CO2 concentrations. After 60 days of exposure to higher CO2 concentration, a decrease in the carbon assimilation rate was noticed.

    • Author Affiliations


      A S Devakumar1 2 M S Shesha Shayee1 M Udayakumar1 T G Prasad1

      1. Department of Crop Physiology, University of Agricultural Sciences, Gandhi Krishi Vignana Rendra, Bangalore - 560 005, India
      2. Plant Physiology Division, Rubber Research Institute of India, Kottayam - 686 009, India
    • Dates

  • Journal of Biosciences | News

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      Posted on July 25, 2019

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