Paper · 2012 · Journal of the South China Agricultural University

Effects of Silicon on the Ultrastructure of Oryza sativa Leaves Infected by Magnaporthe grisea

Junbo Liu; Gao Chen; Jie Gao; et al.

3
claims
6
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

To investigate the resistant effect of silicon on leaves of two rice varieties with nanometer SiO2 inoculation treatment against Magnaporthe grisea,resistant variety Nongda 18 to M.grisea and susceptible variety Mongolian rice to the pathogenic fungus were observed with SEM and TEM compared with control groups without the SiO2 treatment.The findings showed there were only a few hyphae of M.grisea on both leaves,and less hypha quantities than control group without Si treatment.Based on TEM pictures,it was clearly observed that Si might prevent the hypha from penetration by enclosing hypha around sites penetrated.Consequently,the result indicated that nanometer SiO2 was able to protect rice from the pathogentic fungus.

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Claims 3

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nanometer SiO2 treatment reduced M. grisea hyphae on rice leaves compared with controls without Si treatment.

Taxon
Oryza sativaOryza sativat0
Treatment
nanometer SiO2e0
Interactor
M.griseaPyricularia griseae1pathogen
Outcome
hyphae of M.griseae1
Direction
lesse1
Comparator
control group without Si treatmente1

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗
Pyricularia grisea
Pyricularia grisea · InteractorPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Oryza sativa”

✓ located verbatim in the source · title, characters 44–56 · show in text ↑
e0

“To investigate the resistant effect of silicon on leaves of two rice varieties with nanometer SiO2 inoculation treatment against Magnaporthe grisea”

✓ located verbatim in the source · abstract, characters 0–147 · show in text ↑
e1

“The findings showed there were only a few hyphae of M.grisea on both leaves,and less hypha quantities than control group without Si treatment”

✓ located verbatim in the source · abstract, characters 339–480 · show in text ↑
Mechanismhypothesisoriginal resultpositivemeasured

Claim · model-written summary

Silicon may prevent M. grisea hyphae from penetrating rice leaves by enclosing hyphae around penetration sites.

Taxon
Oryza sativaOryza sativat0
Outcome
prevent the hypha from penetratione2
Qualifier
by enclosing hypha around sites penetratede2

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

t0

“Oryza sativa”

✓ located verbatim in the source · title, characters 44–56 · show in text ↑
e2

“Si might prevent the hypha from penetration by enclosing hypha around sites penetrated”

✓ located verbatim in the source · abstract, characters 532–618 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Nanometer SiO2 was able to protect rice from the pathogenic fungus.

Treatment
nanometer SiO2e3
Interactor
pathogentic funguse3pathogen
Outcome
protect rice from the pathogentic funguse3
Direction
protecte3

Not reportedComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e3

“the result indicated that nanometer SiO2 was able to protect rice from the pathogentic fungus”

✓ located verbatim in the source · abstract, characters 632–725 · show in text ↑

silicon dioxide · organism · Oryza sativa (rice)Positive and negative results

5 papers: 4 positive, 1 negative or no effect

3 papers in the same direction as this paper · 1 in the opposite direction

  1. no effect
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

silicon dioxide · Pyricularia grisea · Oryza sativa (rice)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 →

nanoparticle · organism · Oryza sativa (rice)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

1 paper more in this group

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.