<i>Streptomyces alni</i>as a biocontrol agent to root-rot of grapevine and increasing their efficiency by biofertilisers inocula

Ziedan, E. H.; Farrag, Eman S.; El-Mohamedy, R. S. R.; Alla, Mohamed A. Abd

doi:10.1080/03235400802021264

Cited by 11 publications

(9 citation statements)

References 23 publications

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“…One isolate identified as Streptomyces alni exhibited the highest activity, which was correlated to an inhibition of fungal growth, malformation, lysis of hyphae as well as inhibition of normal branches and conidia of conidiophores on dual culture plates. This indicates a direct antibiosis effect of this biocontrol strain, potentially mediated by the effect of a hitherto uncharacterized antibiotic (Ziedan et al 2010). Under greenhouse and field conditions, the use of S. alni was associated with a reduction of root rot infection.…”

Section: Beneficial Bacteria and Biocontrol Of Grapevine Fungal And Omentioning

confidence: 85%

“…Superior was also noted. In combination with the biofertiliser ''Rhizobacterin'' containing the Klebsiella planticola strain BIM B-161 the S. alni strain was even more effective (Ziedan et al 2010). The obtained results suggest that the S. alni strain could be successfully used in combination with biofertilisers for controlling root-rot of grapevine, especially in organic farming systems.…”

Section: Beneficial Bacteria and Biocontrol Of Grapevine Fungal And Omentioning

confidence: 88%

“…& Hans, can also lead to rootstock deficiency (Andrade 1993;Grasso 1984;Gugino et al 2001). To tackle the problem of Fusarium infections in grapevine, Ziedan et al (2010) studied biocontrol bacteria to alleviate vine plant infections by Fusarium spp. Seven strains of Streptomyces spp.…”

Section: Beneficial Bacteria and Biocontrol Of Grapevine Fungal And Omentioning

confidence: 99%

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Use of beneficial bacteria and their secondary metabolites to control grapevine pathogen diseases

et al. 2012

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International audienceGrapevine is one of the most important economic crops yielding berries, wine products as well as derivates. However, due to the large array of pathogens inducing diseases on this plant, considerableamounts of pesticides—with possible negative impact on the environment and health—have been used and are currently used in viticulture. To avoid negative impacts of such products and to ensure product quality, a substantial fraction of pesticides needs to be replaced in the near future. One solution can be related to the use of beneficial bacteria inhabiting the rhizo- and/or the endosphere of plants. These biocontrol bacteria and their secondary metabolites can reduce directly or indirectly pathogen diseases by affecting pathogen performance by antibiosis, competition for niches and nutrients, interference with pathogen signaling or by stimulation of host plant defenses. Due to the large demand for biocontrol of grapevine diseases, such biopesticides, their modes of actions and putative consequences of their uses need to be described. Moreover, the current knowledge on new strains from the rhizo- and endosphere and their metabolites that can be used on grapevine plants to counteract pathogen attack needs to be discussed. This is in particular with regard to the control of root rot, grey mould, trunk diseases, powdery and downy mildews, pierce’s disease, grapevine yellows as well as crown gall. Future prospects on specific beneficial microbes and their secondary metabolites that can be used as elicitors of plant defenses and/or as biocontrol agents with potential use in a more sustainable viticulture will be further discussed

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Section: Beneficial Bacteria and Biocontrol Of Grapevine Fungal And Omentioning

confidence: 85%

Section: Beneficial Bacteria and Biocontrol Of Grapevine Fungal And Omentioning

confidence: 88%

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Use of beneficial bacteria and their secondary metabolites to control grapevine pathogen diseases

et al. 2012

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“…Strains belonging to Streptomyces spp. have been reported as hyperparasite of some phytophathogenic fungi (Alternaria brassicicola, Botrytis cinerea, Fusarium oxysporum, Mycocentrospora acerina, Rhizoctonia solani, S. sclerotiorum, Phomopsis sclerotioides and Pythium ultimum) [163,164]. A mycoparasite-like action was reported for Serratia marcescens that is able to inject antifungal effectors into the fungal hyphae causing fungal cell death, as described by Trunk et al in witch these antifungal effectors can act against fungal cells, including human pathogenic Candida species [165].…”

Section: Mycoparasitismmentioning

confidence: 87%

Advances and Perspectives in the Use of Biocontrol Agents against Fungal Plant Diseases

et al. 2022

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The use of synthetic fungicides to control fungal diseases has growing limitations due to eco-toxicological risks. Therefore, it is necessary to replace or integrate high risk chemicals with safer tools for human health and environment. Consequently, research on the selection, evaluation, characterization, and use of biocontrol agents (BCAs) has consistently increased in the last decades. BCA formulates, particularly in some countries, are still scarce in coping with the growing demand for their use in sustainable agricultural management. To foster development and utilization of new effective bioformulates, there is a need to optimize BCA activity, to share knowledge on their formulation processes and to simplify the registration procedures. Studies based on new molecular tools can significantly contribute to achieve such objectives. The present review provides the state of the art on biocontrol of fungal plant diseases with special emphasis on (i) features of the most studied BCAs; (ii) key strategies to optimize selection and use of BCAs (iii); mechanisms of action of the main BCAs; (iv) molecular tools and metagenomic studies in the selection and use of BCAs; (v) main issues and constraints in the registration and commercialization of BCAs, and (vi) perspectives in the biocontrol of fungal plant diseases.

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“…Recent research showed that some novel antifungal antibiotics produced by Streptomyces can protect plants from pathogens infection [99]. Ziedan, et al [100] compared seven Streptomyces strains isolated from grapevine rhizospheric soil as biocontrol agents to show the antagonistic activities against Fusarium oxysporum. Streptomyces alni exhibited the highest antifungal activity including parasitism over F. oxysporum hyphae and inhibition of hyphae growth by producing antibiotics or lysis of cell.…”

Section: Essential and Regulatory Roles Of “Bio-signals”mentioning

confidence: 99%

Bioactive Molecules in Soil Ecosystems: Masters of the Underground

Zhuang

Gao

et al. 2013

IJMS

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Complex biological and ecological processes occur in the rhizosphere through ecosystem-level interactions between roots, microorganisms and soil fauna. Over the past decade, studies of the rhizosphere have revealed that when roots, microorganisms and soil fauna physically contact one another, bioactive molecular exchanges often mediate these interactions as intercellular signal, which prepare the partners for successful interactions. Despite the importance of bioactive molecules in sustainable agriculture, little is known of their numerous functions, and improving plant health and productivity by altering ecological processes remains difficult. In this review, we describe the major bioactive molecules present in below-ground ecosystems (i.e., flavonoids, exopolysaccharides, antibiotics and quorum-sensing signals), and we discuss how these molecules affect microbial communities, nutrient availability and plant defense responses.

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Streptomyces alnias a biocontrol agent to root-rot of grapevine and increasing their efficiency by biofertilisers inocula

Cited by 11 publications

References 23 publications

Use of beneficial bacteria and their secondary metabolites to control grapevine pathogen diseases

Use of beneficial bacteria and their secondary metabolites to control grapevine pathogen diseases

Advances and Perspectives in the Use of Biocontrol Agents against Fungal Plant Diseases

Bioactive Molecules in Soil Ecosystems: Masters of the Underground

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