Abstract
Phosphate solubilizing bacteria (PSB) were isolated from the rhizosphere of Chinese cabbage and screened on the basis of their solubilization of inorganic tricalcium phosphate in liquid cultures. Ten strains that had higher solubilization potential were selected, and they also produced indole%3%acetic acid, 1% aminocyclopropane%1%carboxylate (ACC) deaminase, an d siderophores. The strains were identified to be members of Pseudomonas , by 16S rDNA sequence analysis. Seed bacterization with PSB strains increased the root elongation and biomass of Chinese cabbage in seedling culture, although they had no effect on phosphorus uptake of plants. The plant growth promotion by PSB in this study could be due to the production of phytohormones or mechanisms other than phosphate solubilization, since they had no effect on P nutrition. Key Words Phosphate solubilizing bacteria, Pseudomonas , 1%aminocyclopropane%1%carboxylate, indole%3%aceti c acid.
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Claims 5
Claim · model-written summary
The selected phosphate solubilizing strains also produced indoleacetic acid, ACC deaminase and siderophores.
Verbatim
t0“phosphate solubilizing bacteria”
e0“they also produced indole%3%acetic acid, 1% aminocyclopropane%1%carboxylate (ACC) deaminase, an d siderophores”
Claim · model-written summary
The strains were identified as members of Pseudomonas by 16S rDNA sequence analysis.
- Taxon
- Pseudomonas
Pseudomonase0 - Outcome
- identified to be members of Pseudomonase0
- Qualifier
- 16S rDNA sequence analysise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The strains were identified to be members of Pseudomonas , by 16S rDNA sequence analysis”
Claim · model-written summary
Seed bacterization with PSB strains increased root elongation and biomass of Chinese cabbage in seedling culture.
- Taxon
- Chinese cabbage
Brassica rapa subsp. pekinensise0 - Treatment
- Seed bacterization with PSB strainse0
- Interactor
- PSB strainse0other
- Outcome
- root elongation and biomasse0
- Direction
- increasede0
- Setting
- seedling culturee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed bacterization with PSB strains increased the root elongation and biomass of Chinese cabbage in seedling culture”
Claim · model-written summary
The PSB strains had no effect on phosphorus uptake of Chinese cabbage plants.
- Taxon
- Chinese cabbageBrassica rapa subsp. pekinensist0
- Treatment
- Seed bacterization with PSB strainse0
- Interactor
- PSB strainse0other
- Outcome
- phosphorus uptakee0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chinese cabbage”
e0“Seed bacterization with PSB strains increased the root elongation and biomass of Chinese cabbage in seedling culture, although they had no effect on phosphorus uptake of plants”
Claim · model-written summary
The authors suggest the plant growth promotion by PSB could be due to production of phytohormones or mechanisms other than phosphate solubilization.
- Taxon
- Chinese cabbageBrassica rapa subsp. pekinensist0
- Compound
- phytohormonese0
- Outcome
- plant growth promotione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chinese cabbage”
e0“The plant growth promotion by PSB in this study could be due to the production of phytohormones or mechanisms other than phosphate solubilization”
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