2003
DOI: 10.1051/agro:2003015
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Identification of traits implicated in the rhizosphere competence of fluorescent pseudomonads: description of a strategy based on population and model strain studies

Abstract: The lack of consistency of the beneficial effects of inoculated fluorescent pseudomonads has often been related to their bad survival in the rhizosphere. In this review, we describe the strategy followed over the last decade to study traits involved in the rhizosphere competence of these bacteria. The diversity of indigenous populations associated with plant roots was first compared to that of populations associated with uncultivated soils in order to identify traits that discriminate these populations. The in… Show more

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Cited by 31 publications
(21 citation statements)
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“…Consequently, fl uorescent Pseudomonas strains reported in this study with biocontrol and biofertilizing properties could be effi cient bioinoculants in plant rhizospheres (Latour et al, 2003).…”
Section: Discussionmentioning
confidence: 89%
See 1 more Smart Citation
“…Consequently, fl uorescent Pseudomonas strains reported in this study with biocontrol and biofertilizing properties could be effi cient bioinoculants in plant rhizospheres (Latour et al, 2003).…”
Section: Discussionmentioning
confidence: 89%
“…Hence, the AHL-degrading bacteria such as PsTp171, PsTp172, PsTp157, PsS102 etc. can disrupt and manipulate quorum-sensing signalling specially in agricultural pathogenic bacteria, contributing to a reduction in their saprophytic growth (Choo et al, 2006;Latour et al, 2003). The concept of biological disease control, using non-pathogenic bacterial strains as a potential biopesticide, is considered an alternative to chemical control, because chemical pesticides result in the accumulation of hazardous compounds toxic to soil biota (Costa et al, 2006;Gupta et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…The beneficial effects are the consequences of diverse mechanisms, including those involving microbial siderophores, the biosynthesis of antibiotics, surfactants and phytohormones, nutrient and spatial competition, mycoparasitism, predation, cell lysis by phages and plant-induced systemic resistance. However, there is skepticism about the reliability of biocontrol, partly because published accounts of control include evidence of a lack of consistency [101,102]. Moreover, antibiotic and cyanide production by biocontrol agents can affect not only the pathogen, but, in some cases, plant development [103,104].…”
Section: Discussionmentioning
confidence: 99%
“…Ce type d'échec est communément attribué aux différences de caractéristiques biotiques et abiotiques des sols, qui ne permettent pas à ces souches de maintenir dans le temps une population suffisamment élevée pour être efficace (Duffy et al, 2003 ;Compant et al, 2005). En effet, même si les Pseudomonas antagonistes introduits présentent une capacité élevée à coloniser la plante et le sol, il demeure que ces souches entrent en compétition avec les autres bactéries autochtones primo-installées et généralement mieux adaptées qu'elles aux conditions du milieu, y compris à la lignée végétale à protéger (Latour et al, 2003). Malgré ces échecs lors des essais en champ, cette stratégie ne doit pas être rejetée en bloc.…”
Section: Lutte Biologiqueunclassified