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PGPR-Mediated Amelioration of Crops Under Salt Stress

  • Anukool Vaishnav
  • Ajit Varma
  • Narendra Tuteja
  • Devendra Kumar ChoudharyEmail author
Chapter

Abstract

Soil salinity is a major abiotic factor which adversely affects the crop growth and productivity worldwide. Higher salt concentration caused ion imbalance and hyperosmotic stress which often lead to oxidative stress in plants. Soil salinization is mainly due to the poor irrigation management practices and natural causes. A total 20 % of the world’s cultivated lands and almost half of all irrigated lands are affected by high salinity. This chapter begins by stressing the importance of research into plant salt tolerance. After a brief outline of salinity-induced damage to both agricultural yield and growth of plants, strategies which plants adopt to deal with salinity are discussed, and current biotechnological efforts towards producing salt-tolerant crops are summarized. Particular attention is paid towards the application of plant growth-promoting bacteria in agriculture system for producing salt stress-tolerant crops and a fundamental understanding towards the mechanisms of beneficial plant–microbe interaction in the presence of salt.

Keywords

Salt stress Induced systemic tolerance Plant growth-promoting rhizobacteria Osmotolerance Nutrient mobilization 

Notes

Acknowledgment

The financial support for some of the research in this review has partially been supported by DBT and SERB grant no. BT/PR1231/AGR/021/340/2011 and SR/FT/LS-129/2012, respectively, to DKC.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2016

Authors and Affiliations

  • Anukool Vaishnav
    • 1
  • Ajit Varma
    • 1
  • Narendra Tuteja
    • 1
  • Devendra Kumar Choudhary
    • 1
    Email author
  1. 1.Amity Institute of Microbial Technology (AIMT)NoidaIndia

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