Role of Plant Growth-Promoting Rhizobacteria Mitigating Drought Stress in Maize

Shifa Shaffique, Muhammad Imran, Shabir Hussain Wani, Anjali Pande, Waqas Rahim, Muhamad Aaqil Khan, Sang Mo Kang, In Jung Lee

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

Agriculture industry is facing dual pressure: overpopulation and abiotic stress. Among all the abiotic stresses, drought is one of the major limiting factors in crop losses. When plants are subjected to drought stresses, there are a series of events that lead to the accumulation of stress-responsive genes, chemical metabolites, and physiochemical malfunctioning of plants. However, the plants must defend themselves to survive. In addition, if the duration of the stress becomes longer, the plants might undergo reversible changes. Inoculation of microorganisms such as plant growth-promoting rhizobacteria as biostimulants is an emerging novel technique with promising effects. Plant–PGPR interaction provides a complex regulatory molecular network in biological systems to enhance the drought stress tolerance via the production of phytohormones, chemical metabolites, organic compounds, and ion homeostasis. This review chapter highlights the current knowledge about drought stress tolerance due to inoculation of PGPRs in maize crop plants.

Original languageEnglish
Title of host publicationMaize Improvement
Subtitle of host publicationCurrent Advances in Yield, Quality, and Stress Tolerance under Changing Climatic Scenarios
PublisherSpringer International Publishing
Pages323-333
Number of pages11
ISBN (Electronic)9783031216404
ISBN (Print)9783031216398
DOIs
StatePublished - 1 Jan 2023

Keywords

  • Drought stress
  • Maize
  • Osmotic stress
  • PGPRs
  • Phytohormones

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