Paper · 2010 · Revista Brasileira de Ciência do Solo

Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils

Luiz Antônio Zanão Júnior; Renildes Lúcio Ferreira Fontes; Paulo Henrique Moreira Coelho; et al.

8
claims
24
verbatim quotes
12
citations
4
research areas
✓
Open access · cc-by

Abstract

Spot bloth caused by Bipolaris sorokiniana is an important wheat desease mainly in hot and humid regions. The aim of this study was to evaluate the response of wheat to different sources and modes of Si application, as related to the severity of wheat spot blotch and plant growth, in two Si-deficient Latosols (Oxisols). An greenhouse experiment was arranged in a 2 x 5 factorial completely randomized design, with eight replications. The treatments consisted of two soils (Yellow Latosol and Red Latosol) and five Si supply modes (no Si application; Si applied as calcium silicate and monosilicic acid to the soil; and Si applied as potassium silicate or monosilicic acid to wheat leaves). No significant differences were observed between the two soils. When Si was applied to the soil, regardless the Si source, the disease incubation period, the shoot dry matter yield and the Si content in leaves were greater. Additionally, the final spot blotch severity was lower and the area under the spot blotch disease progress curve and the leaf insertion angle in the plant were smaller. Results of Si foliar application were similar to those observed in the control plants.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 8

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The two soils showed no significant difference in measured responses.

Outcome
differencese0
Direction
No significant differencese0
Comparator
two soilse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“No significant differences were observed between the two soils”

✓ located verbatim in the source · abstract, characters 692–754 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil-applied silicon increased the wheat spot blotch incubation period.

Treatment
Si was applied to the soile0
Outcome
disease incubation periode0
Direction
greatere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“When Si was applied to the soil, regardless the Si source, the disease incubation period, the shoot dry matter yield and the Si content in leaves were greater”

✓ located verbatim in the source · abstract, characters 756–914 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil-applied silicon increased wheat shoot dry matter yield.

Organ / stage
shoote0
Treatment
Si was applied to the soile0
Outcome
shoot dry matter yielde0
Direction
greatere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“When Si was applied to the soil, regardless the Si source, the disease incubation period, the shoot dry matter yield and the Si content in leaves were greater”

✓ located verbatim in the source · abstract, characters 756–914 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil-applied silicon increased leaf silicon content.

Organ / stage
leavese0
Treatment
Si was applied to the soile0
Outcome
Si content in leavese0
Direction
greatere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“When Si was applied to the soil, regardless the Si source, the disease incubation period, the shoot dry matter yield and the Si content in leaves were greater”

✓ located verbatim in the source · abstract, characters 756–914 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil-applied silicon lowered final spot blotch severity.

Treatment
Soil-applied silicont0
Outcome
final spot blotch severitye0
Direction
lowere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the final spot blotch severity was lower”

✓ located verbatim in the source · abstract, characters 930–970 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil-applied silicon reduced the area under the spot blotch progress curve.

Treatment
Soil-applied silicont0
Outcome
area under the spot blotch disease progress curvee0
Direction
smallere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the area under the spot blotch disease progress curve and the leaf insertion angle in the plant were smaller”

✓ located verbatim in the source · abstract, characters 975–1083 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Soil-applied silicon reduced leaf insertion angle.

Treatment
Soil-applied silicont0
Outcome
leaf insertion anglee0
Direction
smallere0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the area under the spot blotch disease progress curve and the leaf insertion angle in the plant were smaller”

✓ located verbatim in the source · abstract, characters 975–1083 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Foliar silicon application produced responses similar to control plants.

Treatment
Si foliar applicatione0
Outcome
Resultse0
Direction
similare0
Comparator
control plantse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Results of Si foliar application were similar to those observed in the control plants”

✓ located verbatim in the source · abstract, characters 1085–1170 · show in text ↑
t0

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑
t1

“Soil-applied silicon decreases severity of wheat spot blotch on silicon-deficient soils”

✓ located verbatim in the source · title, characters 0–87 · show in text ↑

silicon atom · yield · Triticum aestivum (wheat)Results differ

90 papers: 85 positive, 5 negative or no effect

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

  1. positive
  2. no effect
  3. no effect

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silicon atom · disease · Triticum aestivum (wheat)Positive and negative results

19 papers: 16 positive, 3 negative or no effect

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

  1. no effect
  2. no effect
  3. negative

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silicon atom · nutrient: content · Triticum aestivum (wheat)Positive and negative results

61 papers: 58 positive, 3 negative or no effect

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

  1. no effect
  2. no effect
  3. negative

57 papers more in this group

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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.