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Title 

Plant growth-promoting rhizobacteria stimulate vegetative growth and asexual rinfoeproduction of Kalanchoe daigremontiana

Authors 

Y S ParkK ParkJ W KloepperChoong-Min Ryu

Publisher 

Han Rim Won Publishing Company

Issue Date 

2015

Citation 

Plant Pathology Journal, vol. 31, no. 3, pp. 310-315

Keywords 

Asexual plant reproductionBacillus sppKalanchoe daigremontianaPlant growthPlant growthpromoting rhizobacteria (PGPR)Rhizosphere

Abstract 

Certain bacterial species associate with plant roots in soil. The plant growth-promoting rhizobacteria (PGPR) stimulate plant growth and yield in greenhouse and field. Here, we examined whether application of known bacilli PGPR strains stimulated growth and asexual reproduction in the succulent plant Kalanchoe daigremontiana. Four PGPR strains B. amyloliquefaciens IN937a, B. cereus BS107, B. pumilus INR7, and B. subtilis GB03 were applied to young plantlets by soil-drenching, and plant growth and development was monitored for three months. Aerial growth was significantly stimulated in PGPR-inoculated plants, which was observed as increases in plant height, shoot weight, and stem width. The stimulated growth influenced plant development by increasing the total number of leaves per plant. Treatment with bacilli also increased the total root biomass compared with that of control plants, and led to a 2-fold increase in asexual reproduction and plantlet formation on the leaf. Collectively, our results firstly demonstrate that Bacillus spp. promote vegetative development of K. daigremontiana, and the enhanced growth stimulates asexual reproduction and plantlet formation.

ISSN 

1598-2254

Link 

http://dx.doi.org/10.5423/PPJ.NT.01.2015.0006

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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