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N Biotechnol. 2020 May 25;56:103-113. doi: 10.1016/j.nbt.2019.12.006. Epub 2019 Dec 30.

Microbial inoculum development for ameliorating crop drought stress: A case study of Variovorax paradoxus 5C-2.

New biotechnology

Rosalia Garcia Teijeiro, Andrey A Belimov, Ian C Dodd

Affiliations

  1. The Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK; University of Natural Resources and Life Sciences, University Research Center, 3430 Tulln an der Donau, Austria. Electronic address: [email protected].
  2. All-Russia Research Institute for Agricultural Microbiology, Podbelskogo Sh. 3, Pushkin-8, 196608, Saint Petersburg, Russian Federation.
  3. The Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK. Electronic address: [email protected].

PMID: 31899322 DOI: 10.1016/j.nbt.2019.12.006

Abstract

Drought affects plant hormonal homeostasis, including root to shoot signalling. The plant is intimately connected below-ground with soil-dwelling microbes, including plant growth promoting rhizobacteria (PGPR) that can modulate plant hormonal homeostasis. Incorporating PGPR into the rhizosphere often delivers favourable results in greenhouse experiments, while field applications are much less predictable. We review the natural processes that affect the formation and dynamics of the rhizosphere, establishing a model for successful field application of PGPR utilizing an example microbial inoculum, Variovorax paradoxus 5C-2.

Copyright © 2019. Published by Elsevier B.V.

Keywords: ACC deaminase; Climate change; Ethylene; Pan-genome; Rhizosphere colonisation; Sustainable agriculture; Variovorax paradoxus

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