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Title 

Biological control and plant growth promoting capacity of rhizobacteria on pepper under greenhouse and field conditions

Authors 

M S HahmM SumayoY J HwangS A JeonS J ParkJ Y LeeJ H AhnB S KimChoong-Min RyuS Y Ghim

Publisher 

Microbiological Society of Korea

Issue Date 

2012

Citation 

Journal of Microbiology, vol. 50, no. 3, pp. 380-385

Keywords 

biological controlDokdo Islandinduced systemic resistance (ISR)pepper (Capsicum annuum)plant growth promoting rhizobacteria (PGPR)

Abstract 

Plant growth promoting rhizobacteria Ochrobactrum lupini KUDC1013 and Novosphingobium pentaromativorans KUDC1065 isolated from Dokdo Island, S. Korea are capable of eliciting induced systemic resistance (ISR) in pepper against bacterial spot disease. The present study aimed to determine whether plant growth-promoting rhizobacteria (PGPR) strains including strain KUDC1013, strain KUDC1065, and Paenibacillus polymyxa E681 either singly or in combinations were evaluated to have the capacity for potential biological control and plant growth promotion effect in the field trials. Under greenhouse conditions, the induced systemic resistance (ISR) effect of treatment with strains KUDC1013 and KUDC1065 differed according to pepper growth stages. Drenching of 3-week-old pepper seedlings with the KUDC-1013 strain significantly reduced the disease symptoms. In contrast, treatment with the KUDC1065 strain significantly protected 5-week-old pepper seedlings. Under field conditions, peppers treated with PGPR mixtures containing E681 and KUDC1013, either in a two-way combination, were showed greater effect on plant growth than those treated with an individual treatment. Collectively, the application of mixtures of PGPR strains on pepper might be considered as a potential biological control under greenhouse and field conditions.

ISSN 

1225-8873

Link 

http://dx.doi.org/10.1007/s12275-012-1477-y

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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