Abstract
Dust causes adverse effects on the physiological and biochemical characteristics of plants and limits their use in the development of the green belt. Air Pollution Tolerance Index (APTI) is an important tool to screen out plants, based on their tolerance or sensitivity level to different air pollutants. The aim of this study was to investigate the effect of two plant growth-promoting bacterial strains ( Zhihengliuella halotolerans SB and Bacillus pumilus HR) and their combination as a biological solution on APTI of three desert plant species of Seidlitzia rosmarinus , Haloxylon aphyllum and Nitraria schoberi under dust stress (0 and 1.5 g m -2 30 days -1 ). Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively. However, Z. halotolerans SB increased the amount of total chlorophyll in H. aphyllum and S. rosmarinus by 236% and 21%, respectively, and the amount of ascorbic acid by 75% and 67% in H. aphyllum and N. schoberi , respectively. B. pumilus HR also increased the leaf relative water content in H. aphyllum and N. schoberi by 10% and 15%, respectively. The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively. These bacterial strains also increased the concentration of protein in all three desert plants. Under dust stress, H. aphyllum had a higher APTI than the other two species. Z. halotolerans SB, which had been isolated from S. rosmarinus , was more effective than B. pumilus HR in alleviating the effects of dust stress on this plant. Therefore, it was concluded that plant growth-promoting rhizobacteria can be effective at improving the mechanisms of plant tolerance to air pollution in the green belt.
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Claims 20
Claim · model-written summary
Dust decreased total chlorophyll in N. schoberi by 21%.
- Taxon
- N. schoberi
Nitraria schoberie0 - Treatment
- Duste0
- Outcome
- total chlorophylle0
- Direction
- decreasee0
- Value
- 21%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Dust decreased total chlorophyll in S. rosmarinus by 19%.
- Taxon
- S. rosmarinus
Soda rosmarinuse0 - Treatment
- Duste0
- Outcome
- total chlorophylle0
- Direction
- decreasee0
- Value
- 19%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Dust decreased leaf relative water content in N. schoberi by 8%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- Duste0
- Outcome
- leaf relative water contente0
- Direction
- decreasee0
- Value
- 8%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Dust decreased APTI in N. schoberi by 7%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Dust decreased protein content in H. aphyllum by 26.
- Taxon
- H. aphyllum
Haloxylon aphyllume0 - Treatment
- Duste0
- Outcome
- protein contente0
- Direction
- decreasee0
- Value
- 26e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Dust decreased protein content in N. schoberi by 17%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- Duste0
- Outcome
- protein contente0
- Direction
- decreasee0
- Value
- 17%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dust caused a significant decrease of 21% and 19%, respectively, in the total chlorophyll of N. schoberi and S. rosmarinus , an 8% decrease in leaf relative water content, a 7% decrease in the APTI of N. schoberi , and a decrease of 26 and 17% in protein content of H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Z. halotolerans SB increased total chlorophyll in H. aphyllum by 236%.
- Taxon
- H. aphyllumHaloxylon aphyllume0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- total chlorophylle0
- Direction
- increasede0
- Value
- 236%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. halotolerans SB increased the amount of total chlorophyll in H. aphyllum and S. rosmarinus by 236% and 21%, respectively, and the amount of ascorbic acid by 75% and 67% in H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Z. halotolerans SB increased total chlorophyll in S. rosmarinus by 21%.
- Taxon
- S. rosmarinusSoda rosmarinuse0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- total chlorophylle0
- Direction
- increasede0
- Value
- 21%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. halotolerans SB increased the amount of total chlorophyll in H. aphyllum and S. rosmarinus by 236% and 21%, respectively, and the amount of ascorbic acid by 75% and 67% in H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Z. halotolerans SB increased ascorbic acid in H. aphyllum by 75%.
- Taxon
- H. aphyllumHaloxylon aphyllume0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- ascorbic acide0
- Direction
- increasede0
- Value
- 75%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. halotolerans SB increased the amount of total chlorophyll in H. aphyllum and S. rosmarinus by 236% and 21%, respectively, and the amount of ascorbic acid by 75% and 67% in H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
Z. halotolerans SB increased ascorbic acid in N. schoberi by 67%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- ascorbic acide0
- Direction
- increasede0
- Value
- 67%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. halotolerans SB increased the amount of total chlorophyll in H. aphyllum and S. rosmarinus by 236% and 21%, respectively, and the amount of ascorbic acid by 75% and 67% in H. aphyllum and N. schoberi , respectively.”
Claim · model-written summary
B. pumilus HR increased leaf relative water content in H. aphyllum by 10%.
- Taxon
- H. aphyllumHaloxylon aphyllume0
- Treatment
- B. pumilus HRe0
- Interactor
- B. pumilus HRBacillus pumiluse0symbiont
- Outcome
- leaf relative water contente0
- Direction
- increasede0
- Value
- 10%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B. pumilus HR also increased the leaf relative water content in H. aphyllum and N. schoberi by 10% and 15%, respectively.”
Claim · model-written summary
B. pumilus HR increased leaf relative water content in N. schoberi by 15%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- B. pumilus HRe0
- Interactor
- B. pumilus HRBacillus pumiluse0symbiont
- Outcome
- leaf relative water contente0
- Direction
- increasede0
- Value
- 15%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B. pumilus HR also increased the leaf relative water content in H. aphyllum and N. schoberi by 10% and 15%, respectively.”
Claim · model-written summary
B. pumilus HR decreased peroxidase activity in N. schoberi by 70%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- B. pumilus HRe0
- Interactor
- B. pumilus HRBacillus pumiluse0symbiont
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
Z. halotolerans SB decreased peroxidase activity in N. schoberi by 51%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 51%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
combination of these two isolates decreased peroxidase activity in N. schoberi by 36%.
- Taxon
- N. schoberiNitraria schoberie0
- Treatment
- combination of these two isolatese0
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 36%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
B. pumilus HR decreased peroxidase activity in S. rosmarinus by 62%.
- Taxon
- S. rosmarinusSoda rosmarinuse0
- Treatment
- B. pumilus HRe0
- Interactor
- B. pumilus HRBacillus pumiluse0symbiont
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 62%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
Z. halotolerans SB decreased peroxidase activity in S. rosmarinus by 89%.
- Taxon
- S. rosmarinusSoda rosmarinuse0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 89%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
combination of these two isolates decreased peroxidase activity in S. rosmarinus by 25%.
- Taxon
- S. rosmarinusSoda rosmarinuse0
- Treatment
- combination of these two isolatese0
- Outcome
- activity of peroxidasee0
- Direction
- decreasede0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation with B. pumilus HR, Z. halotolerans SB and the combination of these two isolates decreased the activity of peroxidase by 70%, 51%, and 36%, respectively, in N. schoberi , and 62%, 89%, and 25% in S. rosmarinus , respectively.”
Claim · model-written summary
H. aphyllum had a higher APTI under dust stress than the other two species.
- Taxon
- H. aphyllumHaloxylon aphyllume0
- Outcome
- APTIe0
- Direction
- highere0
- Qualifier
- Under dust stresse0
- Comparator
- the other two speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under dust stress, H. aphyllum had a higher APTI than the other two species.”
Claim · model-written summary
Z. halotolerans SB more effectively alleviated dust stress in S. rosmarinus than B. pumilus HR.
- Taxon
- S. rosmarinusSoda rosmarinuse0
- Treatment
- Z. halotolerans SBe0
- Interactor
- Z. halotolerans SBZhihengliuella halotoleranse0symbiont
- Outcome
- alleviating the effects of dust stresse0
- Direction
- more effectivee0
- Comparator
- B. pumilus HRe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. halotolerans SB, which had been isolated from S. rosmarinus , was more effective than B. pumilus HR in alleviating the effects of dust stress on this plant.”
The same questions in other papers
Zhihengliuella halotolerans · physiology: pigments · Haloxylon aphyllumResults agree
1 paper in the same direction as this paper
- positive
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.