2009
DOI: 10.5039/agraria.v4i2a4
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Diversidade de Pseudomonas fluorescentes em sistemas de manejo do solo e rotação de culturas

Abstract: Diversidade de Pseudomonas fluorescentes em diferentes sistemas de manejo do solo e rotação de culturas RES UMOO objetivo neste trabalho foi avaliar o efeito do sistema de manejo do solo (plantio direto e plantio convencional) e da rotação de culturas na diversidade de Pseudomonas fluorescentes isoladas de rizoplano e no solo das entrelinhas de trigo, com base nas características morfológicas e genotípicas destas bactérias. Na análise morfológica, a maioria dos isolados obtidos de rizoplano apresentou caracter… Show more

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Cited by 6 publications
(4 citation statements)
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“…This may be due to the short period of time in which the soil was exposed to organic matter, since this is a specific group of bacteria in which the radicular exudates are determinant factors for the structure of this group of microorganisms . A similar result was found by Ferreira et al (2009) upon studying the diversity of fluorescent Pseudomonas sp. in different soil management and crop rotation systems, observing that, in regard to the soil management system, the number of isolates obtained on the no-tillage system was very similar to the number obtained in the conventional tillage system, 51 and 49 % respectively.…”
Section: Management Systemsupporting
confidence: 72%
See 1 more Smart Citation
“…This may be due to the short period of time in which the soil was exposed to organic matter, since this is a specific group of bacteria in which the radicular exudates are determinant factors for the structure of this group of microorganisms . A similar result was found by Ferreira et al (2009) upon studying the diversity of fluorescent Pseudomonas sp. in different soil management and crop rotation systems, observing that, in regard to the soil management system, the number of isolates obtained on the no-tillage system was very similar to the number obtained in the conventional tillage system, 51 and 49 % respectively.…”
Section: Management Systemsupporting
confidence: 72%
“…and some sporulating bacteria, which are considered to be biocontroller bacteria and plant growth-promoting bacteria (BPCPs) (Araújo and Marchesi, 2009;Ferreira et al, 2009). These bacteria may promote the growth of plants using different mechanisms, among them, the production of plant hormones; however, few studies report the influence of agricultural practices on the populations of sporulating bacteria and fluorescent Pseudomonas sp.…”
Section: Rev Bras Cienc Solo 2016;40:e0160130mentioning
confidence: 99%
“…Fluorescent Pseudomonas comprises Gram-negative aerobic bacteria with versatile metabolism and high capacity for adaptation to different agroecosystems [11,12]. Members of Pseudomonas fluorescens and P. putida groups are amongst the most common fluorescent Pseudomonas species described as antagonistic to plant pathogens [13,14]. Antagonistic Pseudomonas species are aggressive niche competitors, showing high multiplication and colonization capacity, either in the rhizosphere, in the phylloplane, or inside plant tissues [11].…”
Section: Introductionmentioning
confidence: 99%
“…Estudos recentes mostraram que alguns genes de virulência são mais frequentes em isolados clínicos e outros em isolados ambientais de P. aeruginosa, indicando o potencial patogênico de todas essas linhagens (MARTINS et al 2013).Algumas linhagens de P. aeruginosa foram relatadas como rizobactérias promotoras do crescimento de plantas e com potencial para degradação de poluentes ambientais, e as espécies Pseudomonas fluorescens e Pseudomonas putida são consideradas benéficas para as plantas e capazes de prosperar na rizosfera. Linhagens ambientais de P. aeruginosa também têm sido consideradas como potenciais agentes de controle biológico ou indutoras de resistência sistêmica adquirida, em programas de biorremediação e outras aplicações(FERREIRA et al, 2009).Degrading Pseudomonas), um microrganismo de referência para o processo degradativo da atrazina(DE SOUZA et al, 1998), possui um plasmídio autotransmissível denominado pADP-1 (Figura 4), onde localizam-se os genes que codificam as enzimas responsáveis pela mineralização da atrazina(WACKETT et al, 2001). Pseudomonas sp.…”
unclassified