Paper · 2019 · International Journal of Phytoremediation

The impact ofPseudomonas putidaUW3 and UW4 strains on photosynthetic activities of selected field crops under saline conditions

Raed Alkowni; Shehdeh Jodeh; Rinad Hamed; et al.

7
claims
7
verbatim quotes
6
citations
3
research areas
—
Not open access

Abstract

This research was aimed to assess the photosynthetic activities of barley (Hordeum valgare L.), clover (Trifolium repens L.), and pearl millet (Pennisetum glaucum (L.) R. Br.) under different saline conditions with two strains of Pseudomonas putida (UW3 and UW4) treatments. An exceptional observation was revealed on barley biomass ratio (288.8%) that irrigated with brackish saline water (10,000 mg/L) with the presence of P. putida UW4 strain. In general, P. putida UW3 strain was significantly increased crops biomass ratio (249.4%, 202.1%, and 212.5%) for barley, pearl millet, and clover, respectively, which were irrigated with 10,000 mg/L brackish saline water. Plant root and shoot systems were significantly increased in their length and weight reflecting the improvement of plants’ photosynthetic activities under salt stress conditions with the presence of P. putida strains. The results from pulse amplitude modulation fluorometry showed that the plants were recovered from the saline stress effect once P. putida strains were applied. The outcome of this research was highly recommended to apply P. putida strains (UW3 and UW4) with field crops for phytoremediation, in particular, where salinity (soil and/or brackish water) was environmentally challenging.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Barley biomass ratio reached 288.8% with UW4 and 10,000 mg/L brackish water.

Treatment
P. putida UW4 straine0
Interactor
P. putida UW4 strainPseudomonas putidae0symbiont
Outcome
barley biomass ratioe0
Value
288.8%e0
Qualifier
brackish saline water (10,000 mg/L)e0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗
Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“barley biomass ratio (288.8%) that irrigated with brackish saline water (10,000 mg/L) with the presence of P. putida UW4 strain”

✓ located verbatim in the source · abstract, characters 318–445 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

UW3 significantly increased barley biomass ratio to 249.4% under brackish water.

Treatment
P. putida UW3 straine0
Interactor
P. putida UW3 strainPseudomonas putidae0symbiont
Outcome
crops biomass ratioe0
Direction
increasede0
Value
249.4%e0
Qualifier
10,000 mg/L brackish saline watere0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗
Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P. putida UW3 strain was significantly increased crops biomass ratio (249.4%, 202.1%, and 212.5%) for barley, pearl millet, and clover, respectively, which were irrigated with 10,000 mg/L brackish saline water”

✓ located verbatim in the source · abstract, characters 459–668 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

UW3 significantly increased pearl millet biomass ratio to 202.1% under brackish water.

Taxon
pearl milletCenchrus americanuse0
Treatment
P. putida UW3 straine0
Interactor
P. putida UW3 strainPseudomonas putidae0symbiont
Outcome
crops biomass ratioe0
Direction
increasede0
Value
202.1%e0
Qualifier
10,000 mg/L brackish saline watere0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗
Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P. putida UW3 strain was significantly increased crops biomass ratio (249.4%, 202.1%, and 212.5%) for barley, pearl millet, and clover, respectively, which were irrigated with 10,000 mg/L brackish saline water”

✓ located verbatim in the source · abstract, characters 459–668 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

UW3 significantly increased clover biomass ratio to 212.5% under brackish water.

Taxon
cloverTrifoliume0
Treatment
P. putida UW3 straine0
Interactor
P. putida UW3 strainPseudomonas putidae0symbiont
Outcome
crops biomass ratioe0
Direction
increasede0
Value
212.5%e0
Qualifier
10,000 mg/L brackish saline watere0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Trifolium
Trifolium · Taxon · picture of the genus (one of its species)AnRo0002 · CC0 · Wikimedia Commons ↗
Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“P. putida UW3 strain was significantly increased crops biomass ratio (249.4%, 202.1%, and 212.5%) for barley, pearl millet, and clover, respectively, which were irrigated with 10,000 mg/L brackish saline water”

✓ located verbatim in the source · abstract, characters 459–668 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Pseudomonas strains significantly increased root length and weight under salt stress.

Taxon
Plante0
Treatment
P. putida strainse0
Interactor
P. putida strainsPseudomonas putidae0symbiont
Outcome
root and shoot systems were significantly increased in their length and weighte0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Plant root and shoot systems were significantly increased in their length and weight reflecting the improvement of plants’ photosynthetic activities under salt stress conditions with the presence of P. putida strains”

✓ located verbatim in the source · abstract, characters 670–886 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Plants recovered from saline stress after Pseudomonas application according to fluorometry.

Taxon
plantsViridiplantaee0
Treatment
P. putida strainse0
Interactor
P. putida strainsPseudomonas putidae0symbiont
Outcome
recovered from the saline stress effecte0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the plants were recovered from the saline stress effect once P. putida strains were applied”

✓ located verbatim in the source · abstract, characters 956–1047 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend UW3 and UW4 for crop phytoremediation in saline settings.

Taxon
field cropse0
Treatment
P. putida strains (UW3 and UW4)e0
Interactor
P. putida strainsPseudomonas putidae0symbiont
Outcome
phytoremediatione0
Qualifier
where salinity (soil and/or brackish water) was environmentally challenginge0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Pseudomonas putida
Pseudomonas putida · InteractorMroghair · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“highly recommended to apply P. putida strains (UW3 and UW4) with field crops for phytoremediation, in particular, where salinity (soil and/or brackish water) was environmentally challenging”

✓ located verbatim in the source · abstract, characters 1082–1271 · show in text ↑

Pseudomonas putida · growth · Hordeum vulgare (barley)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

Pseudomonas putida · growth · Cenchrus americanus (pearl millet)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 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.