Abstract
The present study investigated the effects of different concentrations of silver nanoparticle on various plant growth parameters of Vigna radiata plant. The nanoparticles were synthesized from a bacterium, Klebsiella pneumoniae strain STC4 and were confirmed by UV spectrophotometer and Transmission electron microscope. Various parts of Vigna radiata were subjected to Atomic Absorption Spectrophotometer analysis to study the accumulation of silver nanoparticles. The results showed that small concentrations of silver nanoparticles had a stimulating effect on the growth of plantlets, while the largest concentration induced an inhibitory effect. However, increasing concentration of silver nanoparticles from 2000 to 6000 ppm had led to increase in germination frequency, shoot length, leaf surface area, chlorophyll and carotenoid content. There was no significant difference in root length and number of leaves. In the AAS analysis, it was found that roots of mung bean plant accumulated more silver nanoparticles than other parts indicating its phytostabilization property.
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Claims 6
Claim · model-written summary
Small silver nanoparticle concentrations stimulated plantlet growth.
- Taxon
- Vigna radiata
.jpg?width=60)
Vigna radiatat0 - Treatment
- small concentrations of silver nanoparticlese0
- Outcome
- growth of plantletse0
- Direction
- stimulatinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“small concentrations of silver nanoparticles had a stimulating effect on the growth of plantlets”
t0“Vigna radiata”
Claim · model-written summary
The largest silver nanoparticle concentration inhibited plantlet growth.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- largest concentratione0
- Outcome
- growth of plantletse1
- Direction
- inhibitorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the largest concentration induced an inhibitory effect”
e1“growth of plantlets, while the largest concentration”
t0“Vigna radiata”
Claim · model-written summary
Increasing silver nanoparticles from 2000 to 6000 ppm increased germination frequency, shoot length and leaf surface area.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- silver nanoparticles from 2000 to 6000 ppme0
- Outcome
- germination frequency, shoot length, leaf surface areae0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing concentration of silver nanoparticles from 2000 to 6000 ppm had led to increase in germination frequency, shoot length, leaf surface area”
t0“Vigna radiata”
Claim · model-written summary
Increasing silver nanoparticles from 2000 to 6000 ppm increased chlorophyll and carotenoid content.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- silver nanoparticles from 2000 to 6000 ppme0
- Outcome
- chlorophyll and carotenoid contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing concentration of silver nanoparticles from 2000 to 6000 ppm had led to increase in germination frequency, shoot length, leaf surface area, chlorophyll and carotenoid content”
t0“Vigna radiata”
Claim · model-written summary
Root length and leaf number showed no significant difference across silver nanoparticle concentrations.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- silver nanoparticles from 2000 to 6000 ppme1
- Outcome
- root length and number of leavese0
- Direction
- no significant differencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no significant difference in root length and number of leaves.”
e1“increasing concentration of silver nanoparticles from 2000 to 6000 ppm”
t0“Vigna radiata”
Claim · model-written summary
Mung bean roots accumulated more silver nanoparticles than other plant parts.
- Taxon
- mung beanVigna radiatae0
- Organ / stage
- rootse0
- Outcome
- accumulated more silver nanoparticlese0
- Direction
- moree0
- Comparator
- other partse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“roots of mung bean plant accumulated more silver nanoparticles than other parts”
t0“Vigna radiata”
The same questions in other papers
silver nanoparticle · physiology: pigments · Vigna radiata (mung bean)Results agree
1 paper in the same direction as this paper
- positive
silver nanoparticle · growth · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- 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.