Abstract
In this study, two bacterial strains were isolated from the rhizosphere and inside the roots of wheat (Triticum aestivum L.) plants growing in wheat land of Iran. Based on the 16s rRNA gene sequences, strains R185 and E240 were identified as Pseudomonas sp. (rhizospheric isolate) and Pseudomonas mosselii (endophytic isolate), respectively. Isolates were tested for traits that affect plant growth such as indole-3-acetic acid, siderophore, hydrogen cyanide production, and phosphate solubilization ability. Then the effect of strains on growth promotion, protein, nutrients of grains, and soil enzyme activity was investigated using a low-phosphorous soil under greenhouse conditions. Results revealed that significantly higher biomass accumulation and micronutrient assimilation were obtained in all the pots treated with bacterial strains as compared to the control. Co-inoculation of rhizospheric and endophytic bacteria improved the protein of grain by 11.3% (Marvdasht) and 9% (Roshan). Microbial inoculation had a positive effect on the concentration of P, Zn, and Fe in wheat grains. While inoculating wheat genotypes with a single rhizospheric strain increased dehydrogenase activity by 53.4%, this effect became stronger with increasing endophytic strain: up to 72% increase in soil dehydrogenase activity was observed in bacterial consortium treatment. Taken together, inoculation by rhizospheric–endophytic mix-strains with multi-plant growth-promoting traits could be a promising option to promote cereal quality.
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Claims 8
Claim · model-written summary
The isolates were identified as Pseudomonas sp. and Pseudomonas mosselii.
- Taxon
- Pseudomonas sp.
Pseudomonase0 - Outcome
- identified as Pseudomonas sp. (rhizospheric isolate) and Pseudomonas mosselii (endophytic isolate)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strains R185 and E240 were identified as Pseudomonas sp. (rhizospheric isolate) and Pseudomonas mosselii (endophytic isolate), respectively.”
Claim · model-written summary
Bacterial strains increased wheat biomass and micronutrient assimilation relative to control.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- bacterial strainse0
- Interactor
- bacterial strainse0symbiont
- Outcome
- biomass accumulation and micronutrient assimilatione0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly higher biomass accumulation and micronutrient assimilation were obtained in all the pots treated with bacterial strains as compared to the control.”
t0“wheat genotypes”
Claim · model-written summary
Co-inoculation raised grain protein in Marvdasht by 11.3%.
- Taxon
- wheatTriticum aestivumt0
- Material
- Marvdashte0
- Treatment
- Co-inoculation of rhizospheric and endophytic bacteriae0
- Interactor
- rhizospheric and endophytic bacteriae0symbiont
- Outcome
- protein of graine0
- Direction
- improvede0
- Value
- 11.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Co-inoculation of rhizospheric and endophytic bacteria improved the protein of grain by 11.3% (Marvdasht) and 9% (Roshan).”
t0“wheat genotypes”
Claim · model-written summary
Co-inoculation raised grain protein in Roshan by 9%.
- Taxon
- wheatTriticum aestivumt0
- Material
- Roshane0
- Treatment
- Co-inoculation of rhizospheric and endophytic bacteriae0
- Interactor
- rhizospheric and endophytic bacteriae0symbiont
- Outcome
- protein of graine0
- Direction
- improvede0
- Value
- 9%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Co-inoculation of rhizospheric and endophytic bacteria improved the protein of grain by 11.3% (Marvdasht) and 9% (Roshan).”
t0“wheat genotypes”
Claim · model-written summary
Microbial inoculation increased P, Zn and Fe concentration in wheat grains.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Microbial inoculatione0
- Interactor
- Microbiale0symbiont
- Outcome
- concentration of P, Zn, and Fe in wheat grainse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Microbial inoculation had a positive effect on the concentration of P, Zn, and Fe in wheat grains.”
Claim · model-written summary
A single rhizospheric strain increased soil dehydrogenase activity by 53.4%.
- Taxon
- wheatTriticum aestivume0
- Treatment
- inoculating wheat genotypes with a single rhizospheric straine0
- Interactor
- single rhizospheric straine0symbiont
- Outcome
- dehydrogenase activitye0
- Direction
- increasede0
- Value
- 53.4%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inoculating wheat genotypes with a single rhizospheric strain increased dehydrogenase activity by 53.4%”
Claim · model-written summary
Bacterial consortium increased soil dehydrogenase activity by up to 72%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- bacterial consortium treatmente0
- Interactor
- bacterial consortiume0symbiont
- Outcome
- soil dehydrogenase activitye0
- Direction
- increasee0
- Value
- 72%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“up to 72% increase in soil dehydrogenase activity was observed in bacterial consortium treatment”
t0“wheat genotypes”
Claim · model-written summary
The authors proposed mixed-strain inoculation to promote cereal quality.
Verbatim
e0“inoculation by rhizospheric–endophytic mix-strains with multi-plant growth-promoting traits could be a promising option to promote cereal quality.”
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