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Paper Information

Journal:   IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH   2007 , Volume 15 , Number 1 (27); Page(s) 76 To 82.
 
Paper: 

EFFECT OF POSPHATE SOLUBILIZING BACTERIA INOCULATION ON MAPLE (ACER VELUTINUM) SEEDLINGS

 
 
Author(s):  TEYMOURI M.*, ALI AHMAD KOROURI S., KHOUSHNEVIS M., MATINIZADEH M., KALAGARI M.
 
* RESEARCH INSTITUTE OF FORESTS AND RANGELANDS
 
Abstract: 

Soil microorganisms are important components of forest ecosystems. The term plant growth promoting rhizobacteria (PGPR) is used to describe non-symbiotic soil bacteria, which have potential to colonize plant root and stimulate growth. The aim of study was assessment the effects of Aeer velutinum seeds inoculation with PSBs. Five isolated bacterial strains (including Pasturella, Aeintobaeillus, Pseudomonas, Alealigense and Enerobaeter) were cultured separately in liquid Seperb medium at 25°C. Bacterial cells were isolated by centrifuge and resuspended in phosphate buffer saline (pH= 7.2) to a density of 3x108 cfu per ml. Seeds of Aeer velutinum were sowed in plastic pots and inoculated with bacterial suspension. Control seeds received sterile phosphate buffer saline. After seven months, seedlings were harvested. Shoot height, root length and their dry matter, available phosphorous in soil and seedlings were determined by standard methods. Results indicated the positive effect of PSBs on seedling emergence of Aeer velutinum. Inoculated seedlings had more developed root system than those of controls. In conclusion, results indicated the stimulatory effect of PSBs on seedling emergence and their growth. According to results, it seemed inoculation of a mixed inoculums will be more effective in stimulating of growth.

 
Keyword(s): ACER VELUTINUM, PSBS, INOCULATION, SEEDLING
 
References: 
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