Paper · 2018 · International Journal of Current Microbiology and Applied Sciences

Positive Role of Salicylic Acid and Trichoderma on the Enhancement of Systemic Acquired Resistance (SAR) and Induced Systemic Resistance (ISR) in Maize – Exserohilum turcicum Pathosystem under Greenhouse Condition

Gee ta; D.S. Aswathanarayana; M.K. Naik; et al.

8
claims
16
verbatim quotes
5
citations
2
research areas
✓
Open access

Abstract

Systemically acquired resistance (SAR) and Induced systemic resistance (ISR) agents can trigger host system to produce phenolic compounds, PR proteins, sugars which impart resistance in plants against invading pathogens. The application of different concentrations of salicylic acid and Trichoderma viride (Tri-25) viz., single inoculation, combination inoculation with challenge inoculation of Exserohilum turcicum on the enhancement of growth and management of disease with special emphasis to ISR and SAR against turcicum leaf blight disease. Total phenols content were positively regulated in both the inbred lines treated with T. viride and salicylic acid in combination. In ISR, the proteins content increased from the 7th day of sampling and in SAR, the protein contents were increased from 24 hr to 72 hr in all the treatments. The higher amount of total sugars was noticed in resistant as compared to susceptible inbred line. Total sugars, reducing sugars and non-reducing sugars were less in pathogen inoculated maize inbred lines. Chlorophyll content maximum in resistant compared to susceptible inbred line and increased over a period of time in all the treatments except in pathogen inoculation. Combination of salicylic acid and T. viride has quite long term influence on enhancement of biochemical components in host plant.

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Claims 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined T. viride and salicylic acid positively regulated total phenol content in both maize inbred lines.

Taxon
MaizeZea mayst0
Treatment
T. viride and salicylic acid in combinatione0
Interactor
T. virideTrichoderma viridee0biocontrol_agent
Outcome
Total phenols contente0
Direction
positively regulatede0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma viride
Trichoderma viride · InteractorKatja Schulz · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“Total phenols content were positively regulated in both the inbred lines treated with T. viride and salicylic acid in combination”

✓ located verbatim in the source · abstract, characters 546–675 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

ISR protein content rose from day 7 of sampling.

Taxon
MaizeZea mayst0
Outcome
proteins contente0
Direction
increasede0
Qualifier
from the 7th day of samplinge0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“In ISR, the proteins content increased from the 7th day of sampling”

✓ located verbatim in the source · abstract, characters 677–744 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

SAR protein content rose from 24 to 72 hours in all treatments.

Taxon
MaizeZea mayst0
Outcome
protein contentse0
Direction
increasede0
Qualifier
from 24 hr to 72 hr in all the treatmentse0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“in SAR, the protein contents were increased from 24 hr to 72 hr in all the treatments”

✓ located verbatim in the source · abstract, characters 749–834 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Resistant maize inbred line had more total sugar than the susceptible line.

Taxon
MaizeZea mayst0
Material
resistante0
Outcome
total sugarse0
Direction
highere0
Comparator
susceptible inbred linee0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“The higher amount of total sugars was noticed in resistant as compared to susceptible inbred line”

✓ located verbatim in the source · abstract, characters 836–933 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Pathogen-inoculated maize lines had less total, reducing and non-reducing sugar.

Taxon
maizeZea mayse0
Treatment
pathogen inoculatede0
Interactor
pathogene0pathogen
Outcome
Total sugars, reducing sugars and non-reducing sugarse0
Direction
lesse0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Total sugars, reducing sugars and non-reducing sugars were less in pathogen inoculated maize inbred lines”

✓ located verbatim in the source · abstract, characters 935–1040 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Chlorophyll content was highest in the resistant compared with susceptible maize line.

Taxon
MaizeZea mayst0
Material
resistante0
Outcome
Chlorophyll contente0
Direction
maximume0
Comparator
susceptible inbred linee0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“Chlorophyll content maximum in resistant compared to susceptible inbred line”

✓ located verbatim in the source · abstract, characters 1042–1118 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Chlorophyll content increased over time in all treatments except pathogen inoculation.

Taxon
MaizeZea mayst0
Outcome
Chlorophyll contente1
Direction
increasede0
Qualifier
all the treatments except in pathogen inoculatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“increased over a period of time in all the treatments except in pathogen inoculation”

✓ located verbatim in the source · abstract, characters 1123–1207 · show in text ↑
e1

“Chlorophyll content maximum”

✓ located verbatim in the source · abstract, characters 1042–1069 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The combined salicylic acid and T. viride treatment had a long-term influence on host biochemical components.

Taxon
MaizeZea mayst0
Treatment
Combination of salicylic acid and T. viridee0
Interactor
T. virideTrichoderma viridee0biocontrol_agent
Outcome
biochemical componentse0
Direction
enhancemente0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma viride
Trichoderma viride · InteractorKatja Schulz · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Maize”

✓ located verbatim in the source · title, characters 146–151 · show in text ↑
e0

“Combination of salicylic acid and T. viride has quite long term influence on enhancement of biochemical components in host plant”

✓ located verbatim in the source · abstract, characters 1209–1337 · show in text ↑

salicylic acid · quality: phytochemicals · Zea mays (maize)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 →

inoculation · quality: sugar starch · Zea mays (maize)Positive and negative results

20 papers: 14 positive, 6 negative or no effect

5 papers in the same direction as this paper · 14 in the opposite direction

  1. positive
  2. positive
  3. positive

16 papers more in this group

See all 20 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.