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Title 

Foliar colonization and growth promotion of red pepper (Capsicum annuum L.) by Methylobacterium oryzae CBMB20

Authors 

M LeeP S ChauhanW YimG LeeY S KimKee Woong ParkT Sa

Publisher 

Korean Society of Applied Biological Chemistry

Issue Date 

2011

Citation 

Journal of Applied Biological Chemistry, vol. 54, no. 2, pp. 120-125

Abstract 

In order to exploit Methylobacterium oryzae CBMB20 as of plant growth promoting agent, different inoculation methods have been evaluated. The present study aimed to evaluate soil, foliar, and soil+foliar inoculations of M. oryzae CBMB20 to improve the growth, fruit yield, and nutrient uptake of red pepper (Capsicum annuum L.) under greenhouse conditions. The population range of green fluorescent protein (gfp)-tagged M. oryzae CBMB20 using the three inoculation methods was 2.5-2.9 log10 cfu/g in the rhizosphere and 4.5-6.0 log10 cfu/g in the phyllosphere of red pepper plants. Confocal laser scanning microscopy results confirmed the colonization of M. oryzae CBMB20 endophytically on leaf surface. Plant height, fruit dry weight, and total biomass were significantly higher (p≤0.05) in all M. oryzae CBMB20 inoculation methods as compared to noninoculated control. Furthermore, uptake of mineral nutrients such as N, P, K, Ca, and Mg in red pepper plants in all M. oryzae CBMB20 inoculation methods was higher than in non-inoculated control. Comparative results of inoculation methods clearly demonstrated that soil+foliar inoculation of M. oryzae CBMB20 lead to the highest biomass accumulation and nutrient uptake which may be due to its efficient colonization in the red pepper rhizosphere and phyllosphere.

ISSN 

1229-2737

Link 

http://dx.doi.org/10.3839/jabc.2011.021

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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