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MECHANISMS AND PRACTICAL CONSIDERATIONS INVOLVED IN PLANT GROWTH PROMOTION BY RHIZOBACTERIA

Journal of soil science and plant nutrition, 2010-07, Vol.10 (3), p.293-319 [Peer Reviewed Journal]

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. ;ISSN: 0718-9516 ;EISSN: 0718-9516 ;DOI: 10.4067/s0718-95162010000100006

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Title:
MECHANISMS AND PRACTICAL CONSIDERATIONS INVOLVED IN PLANT GROWTH PROMOTION BY RHIZOBACTERIA
Author: Martínez-Viveros, O(Universidad de La Frontera Programa de Doctorado en Ciencias de Recursos Naturales) ; Jorquera, M.A(Universidad de La Frontera Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus) ; Crowley, D.E(University of California Department of Environmental Sciences) ; Gajardo, G(Universidad de Los Lagos Lahoratorio de Genética y Acuicultura) ; Mora, M.L(Universidad de La Frontera Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus)
Subjects: Agricultural inoculant ; phytohormone ; phytopathogen biocontrol ; plant nutrition ; rhizosphere ; SOIL SCIENCE
Is Part Of: Journal of soil science and plant nutrition, 2010-07, Vol.10 (3), p.293-319
Description: Rhizobacteria are capable of stimulating plant growth through a variety of mechanisms that include improvement of plant nutrition, production and regulation of phytohormones, and suppression of disease causing organisms. While considerable research has demonstrated their potential utility, the successful application of plant growth promoting rhizobacteria (PGPR) in the field has been limited by a lack of knowledge of ecological factors that determine their survival and activity in the plant rhizosphere. To be effective, PGPR must maintain a critical population density of active cells. Inoculation with PGPR strains can temporarily enhance the population size, but inoculants often have poor survival and compete with indigenous bacteria for available growth substrates. PGPR often have more than one mechanism for enhancing plant growth and experimental evidence suggests that the plant growth stimulation is the net result of multiple mechanisms of action that may be activated simultaneously. The aim of this review is to describe PGPR modes of action and discuss practical considerations for PGPR use in agriculture.
Publisher: Chilean Society of Soil Science/Sociedad Chilena de la Ciencia del Suelo
Language: English;Portuguese
Identifier: ISSN: 0718-9516
EISSN: 0718-9516
DOI: 10.4067/s0718-95162010000100006
Source: SciELO
Alma/SFX Local Collection

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MECHANISMS AND PRACTICAL CONSIDERATIONS INVOLVED IN PLANT GROWTH PROMOTION BY RHIZOBACTERIA

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. ;ISSN: 0718-9516 ;EISSN: 0718-9516 ;DOI: 10.4067/s0718-95162010000100006

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