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Short-Term Response of Plants Grown under Heavy Metal Toxicity

In: Heavy Metals

Author

Listed:
  • Prasann Kumar
  • Shweta Pathak

Abstract

Sorghum vulgare L. plants when exposed to cadmium nitrate with the concentrations of 70 and 150 ppm per kg of soil for 90 days exhibited phytotoxic responses. The observations of specific responses were dependent on treatment combinations. The significant hazardous effects and oxidative damage of cadmium nitrate (70 and 150 ppm) were evident by increased MDA content and hydrogen peroxide content. However, these responses were reversed by exogenous application of putrescine (2.5 and 5.0 mM) and mycorrhiza (Glomus; 150 inoculants per kg of soil), more so, in their combined treatment, at different DAS. But combined treatment of putrescine and mycorrhiza enhanced the stability of sorghum by reducing the ROS production in plant cells. On the basis of the data obtained, it is concluded that plants responded up to 70 ppm cadmium nitrate with stress-induced responses, which were ameliorated by combined application of putrescine and Glomus mycorrhiza.

Suggested Citation

  • Prasann Kumar & Shweta Pathak, 2018. "Short-Term Response of Plants Grown under Heavy Metal Toxicity," Chapters, in: Hosam M. Saleh & Refaat Fekry Eid Sayed (ed.), Heavy Metals, IntechOpen.
    • Handle: RePEc:ito:pchaps:133330
    DOI: 10.5772/intechopen.75722
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    More about this item

    Keywords

    agriculture; biotic; cadmium; density; economic; forage;
    All these keywords.

    JEL classification:

    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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