Abstract
The Jerusalem artichoke (JA; Helianthus tuberosus), known to be tolerant to saline-alkaline soil conditions, has been cultivated for many years in the Yellow River delta, Shandong Province coastal zone, in China. The aim of our study was to isolate nitrogen-fixing bacteria colonizing the rhizosphere of JA and to characterize other plant growth promotion properties. The ultimate goal was to identify isolates that could be used as inoculants benefiting an economic crop, in particular for improving wheat growth production in the Yellow River delta. Bacterial strains were isolated from the rhizosphere soil of JA on the basis of growth on nitrogen-free Ashby medium. Identification and phylogenetic analysis was performed after nucleotide sequencing of 16S rRNA gene. Plant-growth-promoting traits, such as nitrogen fixation activity, phosphate solubilization activity, indole-3-acetic acid production, were determined using conventional methods. Eleven strains were isolated and 6 of them were further examined for their level of salt tolerance and their effect on plant growth promotion. Inoculation of Enterobacter sp. strain N10 on JA and wheat led to significant increases in both root and shoot dry mass and shoot height. Enterobacter sp. strain N10 appeared to be the best plant-growth-promoting rhizobacteria to increase wheat productivity in future field applications.
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Claims 4
Claim · model-written summary
Eleven rhizosphere strains were isolated.
- Taxon
- Jerusalem artichoke
.jpg?width=60)
Helianthus tuberosust0 - Outcome
- strains were isolatede0
- Value
- Eleven strainse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Eleven strains were isolated”
t0“Jerusalem artichoke”
Claim · model-written summary
Enterobacter sp. N10 increased Jerusalem artichoke root and shoot dry mass and shoot height.
- Taxon
- Jerusalem artichokeHelianthus tuberosust0
- Treatment
- Inoculation of Enterobacter sp. strain N10e0
- Interactor
- Enterobacter sp. strain N10
Enterobacter sp.e0symbiont - Outcome
- root and shoot dry mass and shoot heighte0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of Enterobacter sp. strain N10 on JA and wheat led to significant increases in both root and shoot dry mass and shoot height”
t0“Jerusalem artichoke”
Claim · model-written summary
Enterobacter sp. N10 increased wheat root and shoot dry mass and shoot height.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Inoculation of Enterobacter sp. strain N10e0
- Interactor
- Enterobacter sp. strain N10Enterobacter sp.e0symbiont
- Outcome
- root and shoot dry mass and shoot heighte0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of Enterobacter sp. strain N10 on JA and wheat led to significant increases in both root and shoot dry mass and shoot height”
Claim · model-written summary
N10 was judged the best strain for prospective wheat productivity.
- Taxon
- wheatTriticum aestivume0
- Interactor
- Enterobacter sp. strain N10Enterobacter sp.e0symbiont
- Outcome
- wheat productivitye0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Enterobacter sp. strain N10 appeared to be the best plant-growth-promoting rhizobacteria to increase wheat productivity in future field applications”
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See all 5 papers →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.