Biological control of phytopathogenic fungi by endophytic actinomycetes isolated from maize (Zea mays L.)

Costa, Francisco Gheler; Zucchi, Tiago Domingues; Melo, I. S. de

doi:10.1590/s1516-89132013000600009

Cited by 43 publications

(23 citation statements)

References 39 publications

(40 reference statements)

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“…The production of antibiotics or other toxic metabolites by these microorganisms has been widely reported as a biocontrol tool against plant diseases (El-Tarabily et al, 2000;Cao et al, 2005;Castillo et al, 2006;Qin et al, 2011;Costa et al, 2013). Additionally, endophytic Streptomyces may improve the agricultural production, reducing the impact of root and crown rot (Coombs et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

“…Actinobacteria have been indicated as potential biocontrol agents against plant pathogens diseases (Igarashi, 2004;Pal and McSpadden Gardener, 2006;ElTarabily et al, 2010;Costa et al, 2013;Zhang et al, 2014). These microorganisms play a major role in the rhizosphere by secreting a broad range of antimicrobial products that prevent the growth of common root pathogens (Khamna et al, 2009;Oliveira et al, 2010;Sobolevskaya and Kuznetsova, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…El-Tarabily et al (2010) observed enhanced plant growth and yield with the application of endophytic Actinoplanes campanulatus, Micromonospora chalcea and Streptomyces spiralis, individually and in combination, on cucumber seedlings. Costa et al (2013) evaluating the control of Pythium aphanidermatum in cucumber (Cucumis sativa L.) under greenhouse conditions, observed that endophytic isolate both of Streptomyces genus, were able to reduce damping-off incidence.…”

Section: Introductionmentioning

confidence: 99%

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Screening endophytic actinobacteria with potential antifungal activity against Bipolaris sorokiniana and growth promotion of wheat seedlings

Minotto¹,

Milagre²,

Spadari³

et al. 2016

Afr. J. Microbiol. Res.

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Actinobacteria secrete substances that limit or inhibit the growth of plant pathogenic fungi and may be used in the biocontrol of these microorganisms. The aim of this study was to characterize physiological and enzymatic activity of endophytic actinobacteria, evaluate their antifungal activity against Bipolaris sorokiniana root colonization, and evaluate their efficiency in promoting the growth of wheat seedlings. Antibiosis was analyzed using the double-layer method, the agar well diffusion test, and volatile metabolites. Physiological and enzymatic activity was evaluated through chitinase, glucanase, siderophores, indole-3-acetic acid, nitrogen fixation and phosphate solubilization tests. In vivo assays were evaluated by root colonization, biocontrol test and efficiency to promote the growth of wheat seedlings. From all isolates tested, 69.6% of them presented antifungal activity against at least one B. sorokiriana isolate. Among these, 17% of the isolates produced bioactive metabolites in the supernatant when grown in submerging culture. The highest production of bioactive metabolites was at 30°C, between 72 and 96 h of incubation. Three isolates produced volatile compounds, chitinase, glucanase, siderophores and exhibited nitrogen fixation, produced indole-3-acetic acid, efficiently colonized the root system of seedlings of two wheat cultivars. The best isolate [6(2)] showed, under the greenhouse, the capacity to promote an increased biomass and tillers per wheat plant.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Screening endophytic actinobacteria with potential antifungal activity against Bipolaris sorokiniana and growth promotion of wheat seedlings

Minotto¹,

Milagre²,

Spadari³

et al. 2016

Afr. J. Microbiol. Res.

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“…Maximum inhibition of disease was observed in S. aureus with Fusarium oxysporum (80%) ( Table 4). Costa et al, (2013) …”

Section: Evaluation Of Effectiveness Of Actinomycete Isolates As Potementioning

confidence: 99%

Screening of Endophytic and Rhizospheric Actinomycetes with Potential Application for Biocontrol of Fusarium Wilt of Gladiolus

Kaur¹,

Gangwar²,

Kaur³

2017

Int.J.Curr.Microbiol.App.Sci

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“…Endophytes are ubiquitous, and every plant studied to date harbors at least one or more endophytic microbial species [30,33,35]. Antagonistic effects of bacterial endophytes on various pathogens of agriculturally important crops have been demonstrated [36][37][38]. However, the complexity of microbial interactions in natural environments is not well understood and search for biocontrol agents that are adequately effective in field applications remains important.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Selected Bacterial Endophytes for Biocontrol Potential against Phytophthora Blight of Bell Pepper (Capsicum annuum L.)

A¹,

Mt²

2017

J Plant Pathol Microbiol

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Phytophthora blight, caused by Phytophthora capsici, is the most destructive disease of bell pepper in the United States. The effectiveness of current management strategies is limited by the long-term survival of oospores, wide host range, aggressive fungicide-resistant isolates, and lack of resistant cultivars with acceptable agronomic traits. Biological control is a viable alternative, and the use of endophytic microorganisms as biological control agents (BCA) has attracted widespread attention because they colonize the same ecological niches as plant pathogens. Seven isolates of bacterial endophytes in three genera Serratia (B17B), Enterobacter (E), and Bacillus (IMC8, Y, Ps, Psl and Prt), isolated from papaya, snap bean and flowering dogwood were evaluated for effects on P. capsici mycelial growth in vitro, and on disease severity and plant growth in greenhouse environment. All isolates significantly inhibited the mycelial growth of P. capsici with Ps, Psl and Prt having superior inhibitory effects. Seed treatments with Ps, Psl and Prt followed by plant inoculation with P. capsici reduced disease severity, and significantly increased plant shoot height, fresh weight, and fruit yield (number and weight) with Ps and Prt being slightly superior to Psl. Compatibility tests between isolates showed that only B17B and Y were compatible with each other. Sensitivity tests to different levels of mefenoxam (Ridomil Gold SL) showed that Ps, Psl and Prt were tolerant to the fungicide, while P. capsici was highly sensitive. Thus, Ps, Psl and Prt can be used in rotation with mefenoxam to reduce the frequency of fungicide usage for a more environmentally friendly, long lasting, consistent, and effective control of phytophthora blight. Overall, all isolates tested are potential BCAs against P. capsici, but more greenhouse and field studies are required to confirm in vitro results for all isolates that showed good potential in in vitro studies.

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Biological control of phytopathogenic fungi by endophytic actinomycetes isolated from maize (Zea mays L.)

Abstract: ABSTRACT

Cited by 43 publications

References 39 publications

Screening endophytic actinobacteria with potential antifungal activity against Bipolaris sorokiniana and growth promotion of wheat seedlings

Screening endophytic actinobacteria with potential antifungal activity against Bipolaris sorokiniana and growth promotion of wheat seedlings

Screening of Endophytic and Rhizospheric Actinomycetes with Potential Application for Biocontrol of Fusarium Wilt of Gladiolus

Evaluation of Selected Bacterial Endophytes for Biocontrol Potential against Phytophthora Blight of Bell Pepper (Capsicum annuum L.)

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