Serratia plymuthica Strain A2l-4: A Potential Biocontrol Agent Against Phytophthora Blight of Pepper

Shen, Shun Shan; Kim, Jinwoo; Park, Chang Seuk

doi:10.5423/ppj.2002.18.3.138

Cited by 8 publications

(3 citation statements)

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“…Various methods that utilize fungicides, antagonists, cultural practices and resistant cultivars have been evaluated in attempts to develop effective control strategies against Phytophthora blight (Hwang and Kim 1995). Several actinobacteria, other bacteria and fungi were selected as biocontrol agents because they inhibit the growth of P. capsici (Ahmad et al 1999;Ahn and Hwang 1992;Rajkumar et al 2005;Shen et al 2002). The efficacy of biocontrol agents against Phytophthora blight of pepper was enhanced by the addition of organic materials to the soil (Nam et al 1988), use of the agents with other materials (Lee et al 1999) and the method of application (Park and Kim 1989).…”

Section: Introductionmentioning

confidence: 99%

An effective biocontrol bioformulation against Phytophthora blight of pepper using growth mixtures of combined chitinolytic bacteria under different field conditions

et al. 2007

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Phytophthora blight of pepper caused by Phytophthora capsici has devastating consequences when combined with other pathogens, including Rhizoctonia solani, Fusarium oxysporum, and Fusarium solani. In order to develop a field-effective biocontrol strategy against Phytophthora blight of pepper, three chitinolytic bacteria, Serratia plymuthica strain C-1, strongly antagonistic to P. capsici, Chromobacterium sp. strain C-61, strongly antagonistic to R. solani, and Lysobacter enzymogenes strain C-3, antagonistic to R. solani and Fusarium spp., were selected. In pot studies, application of cultures combining the three bacterial strains effectively suppressed Phytophthora blight more than application of any single bacterial strain. Bioformulations developed from growth of the strains in a simple medium containing chitin under large batch conditions resulted in effective control in field applications. Efficacy of the bioformulated product depended on both the dose and timing of application. Although the undiluted product suppressed Phytophthora blight under all field conditions, a 10-fold diluted product was effective in solar-sterilized greenhouses and in fields with crop rotation. These results suggest that the developed product could be a new effective system to control Phytophthora blight disease in pepper.

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Section: Introductionmentioning

confidence: 99%

An effective biocontrol bioformulation against Phytophthora blight of pepper using growth mixtures of combined chitinolytic bacteria under different field conditions

et al. 2007

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“…group. reported to be effective in controlling several pathogenic fungi such as C. orbiculare [25], C. capsici [26], and Phythium ultimunm [27]. Rhizobacteria S. plymuthica A21-4 is very potential as a biocontrol agent to control the pathogenic fungi P.capsici [28].…”

Section: Inhibition Of Rhizobacteria Isolates Against Of P Palmivora In Vitro and Ability To Produce Growth Regulatory Substancesmentioning

confidence: 99%

“…Apart from synthesizing indole acetic acid [21,26,32], it is known that P. fluorescens isolates also produce gibberellins [21,33,34] and cytokinins [35,36]. Likewise, the Bacillus spp.…”

Section: Indigenous Rhizobacteria Treatment In Controlling Diseases Phytophthora Palmivora … (Syamsuddin Marlina Tjut Chamzurni Vina Maulmentioning

confidence: 99%

Indigenous Rhizobacteria treatment in controlling diseases Phytophthora palmivora and increasing the viability and growth of cocoa seedling

Syamsuddin

Marlina

Chamzurni³

et al. 2021

J. Nat.

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Rhizobacteria play a positive role as biocontrol agents as well as Plant Growth Promoting Rhizobacteria (PGPR) agents. The research objective was to obtain indigenous rhizobacteria isolates on cocoa plants that have the potential to inhibit the attack of P. palmivora fungal pathogens, and act as PGPR in vitro and in vivo. The results of the study concluded that isolates TRI 7/1, TRI 8/8, GM 7/9 and GM 7/10 had the highest ability to inhibit the growth of pathogen. The lowest disease severity (20%) was obtained in the seedlings treated using isolates TRI 7/1 and TRI 8/8. Rhizobacterial isolates GM 3/6, GM 5/6, GM 7/9 and GM 8/8 produce high amounts of IAA. Rhizobacteria isolates GM 5/6, GM 7/9 and GM 8/8 has very high peroxidase enzyme activity. High production of HCN compounds was obtained in rhizobacteria isolates TRI 3/3, TRI 4/10 and TRI GM 8/11. All rhizobacterial isolates gave an increase in the value of maximum growth potential, germination and vigor values for growth strength compared with the control. The rizobacteria treatments using isolates TRI 7/1, TRI 8/8, GM 7/9 and GM 7/10 were able to increase plant height, stem diameter and number of leaves at 30, 40, 50, 60, and 70 DAP compared to control treatment.

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Mechanisms of Action of Bacterial Biological Control Agents

Narayanasamy¹

2013

Biological Management of Diseases of Crops

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Serratia plymuthica Strain A2l-4: A Potential Biocontrol Agent Against Phytophthora Blight of Pepper

Cited by 8 publications

References 1 publication

An effective biocontrol bioformulation against Phytophthora blight of pepper using growth mixtures of combined chitinolytic bacteria under different field conditions

An effective biocontrol bioformulation against Phytophthora blight of pepper using growth mixtures of combined chitinolytic bacteria under different field conditions

Indigenous Rhizobacteria treatment in controlling diseases Phytophthora palmivora and increasing the viability and growth of cocoa seedling

Mechanisms of Action of Bacterial Biological Control Agents

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