2015
DOI: 10.1590/0100-5405/2010
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Atividade antagônica a microrganismos patogênicos por bactérias endofíticas isoladas de Echinodorus scaber Rataj

Abstract: Os objetivos desse trabalho foram identificar e avaliar o potencial antagônico in vitro de bactérias endofíticas isoladas de Echinodorus scaber (chapéu de couro) sobre alguns patógenos e verificar sua capacidade de controlar o desenvolvimento de fungos em grãos de soja. Um total de 113 linhagens foi confrontado com cinco fungos patogênicos (método de cultura dupla), e quatro bactérias patogênicas (método de sobrecamada). O controle de crescimento de fungo em grãos de soja foi realizado por microbiolização e av… Show more

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(2 citation statements)
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“…In our study, the highest rates of antagonism against C. gloeosporioides and F. decemcellulare (39.97 and 47.21%) were lower than those found in Silva (2016). In a study with endophytic bacteria isolated from Echinodorus scaber, the inhibition of phytopathogens, among them F. solani and C. gloeosporioides, was also observed, as well as the alteration in the color of the mycelium, could be probably by the contact between the microorganisms, vacuolization and cellular rupture (Souza et al, 2015). According to Silva (2016), the endophytic bacteria isolated from the guarana seed had growth inhibition percentages against C. gloeosporioides close to 32%.…”
Section: Discussionmentioning
confidence: 81%
See 1 more Smart Citation
“…In our study, the highest rates of antagonism against C. gloeosporioides and F. decemcellulare (39.97 and 47.21%) were lower than those found in Silva (2016). In a study with endophytic bacteria isolated from Echinodorus scaber, the inhibition of phytopathogens, among them F. solani and C. gloeosporioides, was also observed, as well as the alteration in the color of the mycelium, could be probably by the contact between the microorganisms, vacuolization and cellular rupture (Souza et al, 2015). According to Silva (2016), the endophytic bacteria isolated from the guarana seed had growth inhibition percentages against C. gloeosporioides close to 32%.…”
Section: Discussionmentioning
confidence: 81%
“…These bacteria have been shown to be important growth promoters in plants (Pereira et al, 2012), besides inhibiting phytopathogens (Nongkhlaw and Joshi, 2014;Zhao et al, 2017). The inhibitory effect on phytopathogen growth can be attributed to the possible production of chitinases or other enzymes with action against the fungal cell wall (Fuga et al, 2011), or due to different mechanisms such as synthesis of antimicrobial substances, competition for space and nutrients, secretion of lytic enzymes, pH alteration or synthesis of volatile compounds (Souza et al, 2015).…”
Section: Discussionmentioning
confidence: 99%