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Microbes and Their Role in Drought Tolerance of Agricultural Food Crops

  • Rout George Kerry
  • Sushmita Patra
  • Sushanto Gouda
  • Jayanta Kumar Patra
  • Gitishree Das
Chapter

Abstract

The competency to cause disease within or around the food crops is not the only role impersonated by the microbes. Instead in certain cases, they also orchestrate a contradictory role that is as sentinels of food safety and an eco-friendly, alternative embellishment of crop plants under abiotic stress. Out of various stress factors, drought is considered as one of the devastating consequence of global warming and a major issue of food scarcity in the present decade. Most of the current research is focused on the drought management through different interdisciplinary fusion of scientific technologies. Drought affects the agricultural crop plants to a limit, which if not considered then the outcome would cause an irreversible chronic impact on the agricultural sustainability. Moreover when viewed at the tissue or cellular level the stress tolerance of crop plants is often impaired by the annihilation of the dynamic texture of the soil, to which again high temperature, low humidity and massive inputs of pesticides could be held responsible. While at the molecular level interrelated physiological stress such as salt stress, oxidative stress, and phosphate starvation are critical considerations lurking in the path of proper growth, survival and nourishment of crop plants under such hostile conditions. These impacts could be ameliorated in a more efficiently through biological processes, such as bioremediation, bioaugmentation, bioaccumulation biotransformation, phytostimulation and biofertilization that are brought about by in vivo or in vitro technologies based on microbiology and biotechnology. Therefore the current chapter focuses on the application of biologically based technologies and their significance in the enhancement of drought tolerance of agricultural food crops.

Keywords

Microorganisms Drought tolerance Bioremediation Bioaugmentation Biotransformation Phytostimulation 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Rout George Kerry
    • 1
  • Sushmita Patra
    • 1
  • Sushanto Gouda
    • 2
  • Jayanta Kumar Patra
    • 3
  • Gitishree Das
    • 3
  1. 1.P.G. Department of BiotechnologyAcademy of Management and Information TechnologyKhurdaIndia
  2. 2.Amity Institute of Wildlife ScienceAmity UniversityNoidaIndia
  3. 3.Research Institute of Biotechnology and Medical Converged ScienceDongguk UniversityGoyang-siSouth Korea

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