Abstract
Increasing land salinization in recent decades has led to a decrease in crop productivity worldwide. We hypothesized that bioaugmentation of beetroot (Beta vulgaris) with halotolerant endophytic bacterial strains isolated from the obligatory halophytic plant Salicornia europaea L. may mitigate salt stress in new host plants. Therefore, we investigated the effects of inoculation with Pseudomonas stutzeri ISE12 or Kushneria marisflavi CSE9 on B. vulgaris growth in substrates enriched with various NaCl concentrations (0, 50, 150, 300 mM). The results of this study indicated that bioaugmentation with either bacteria resulted in improved growth parameters and increased chlorophyll content, as well as decreased proline and hydrogen peroxide concentrations, in B. vulgaris organs. However, K. marisflavi CSE9 was more efficient in achieving salt stress mitigation than P. stutzeri ISE12. In conclusion, the range of salinity tolerance seems to be a key parameter in the selection of strains for beet inoculation. The selected halotolerant endophytes (P. stutzeri ISE12 and K. marisflavi CSE9) isolated from the roots of obligatory halophytic S. europaea may be employed for plant growth promotion, especially in saline areas, and have potential applications in sustainable agriculture.
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Claims 6
Claim · model-written summary
Bioaugmentation with either endophytic bacterium improved beetroot growth parameters under salinity.
- Taxon
- Beta vulgaris
Beta vulgarise0 - Treatment
- bioaugmentation with either bacteriae2
- Interactor
- Pseudomonas stutzeri ISE12e1symbiont
- Second interactor
- Kushneria marisflavi CSE9Kushneria marisflavie1symbiont
- Outcome
- growth parameterse2
- Direction
- improvede2
- Setting
- substrates enriched with various NaCl concentrationse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e1“effects of inoculation with Pseudomonas stutzeri ISE12 or Kushneria marisflavi CSE9 on B. vulgaris growth in substrates enriched with various NaCl concentrations”
e2“bioaugmentation with either bacteria resulted in improved growth parameters and increased chlorophyll content, as well as decreased proline and hydrogen peroxide concentrations, in B. vulgaris organs”
Claim · model-written summary
Bioaugmentation with either endophytic bacterium increased beetroot chlorophyll content.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- bioaugmentation with either bacteriae2
- Interactor
- Pseudomonas stutzeri ISE12e1symbiont
- Second interactor
- Kushneria marisflavi CSE9Kushneria marisflavie1symbiont
- Outcome
- chlorophyll contente2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e1“effects of inoculation with Pseudomonas stutzeri ISE12 or Kushneria marisflavi CSE9 on B. vulgaris growth in substrates enriched with various NaCl concentrations”
e2“bioaugmentation with either bacteria resulted in improved growth parameters and increased chlorophyll content, as well as decreased proline and hydrogen peroxide concentrations, in B. vulgaris organs”
Claim · model-written summary
Bioaugmentation with either endophytic bacterium decreased proline and hydrogen peroxide concentrations in beetroot organs.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- bioaugmentation with either bacteriae2
- Interactor
- Pseudomonas stutzeri ISE12e1symbiont
- Second interactor
- Kushneria marisflavi CSE9Kushneria marisflavie1symbiont
- Outcome
- proline and hydrogen peroxide concentrationse2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e1“effects of inoculation with Pseudomonas stutzeri ISE12 or Kushneria marisflavi CSE9 on B. vulgaris growth in substrates enriched with various NaCl concentrations”
e2“bioaugmentation with either bacteria resulted in improved growth parameters and increased chlorophyll content, as well as decreased proline and hydrogen peroxide concentrations, in B. vulgaris organs”
Claim · model-written summary
Kushneria marisflavi CSE9 was more efficient than Pseudomonas stutzeri ISE12 in mitigating salt stress in beet.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- K. marisflavi CSE9e3
- Interactor
- K. marisflavi CSE9Kushneria marisflavie3symbiont
- Second interactor
- P. stutzeri ISE12e3symbiont
- Outcome
- salt stress mitigatione3
- Direction
- more efficiente3
- Comparator
- P. stutzeri ISE12e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e3“K. marisflavi CSE9 was more efficient in achieving salt stress mitigation than P. stutzeri ISE12”
Claim · model-written summary
The range of salinity tolerance is a key parameter for selecting strains for beet inoculation.
- Taxon
- Beta vulgarisBeta vulgarise0
- Outcome
- selection of strains for beet inoculatione4
- Qualifier
- range of salinity tolerancee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e4“the range of salinity tolerance seems to be a key parameter in the selection of strains for beet inoculation”
Claim · model-written summary
The halotolerant endophytes may be employed for plant growth promotion, especially in saline areas.
- Taxon
- Beta vulgarisBeta vulgarise0
- Outcome
- plant growth promotione5
- Setting
- saline arease5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bioaugmentation of beetroot (Beta vulgaris)”
e5“may be employed for plant growth promotion, especially in saline areas”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.