Paper · 2009 · Research Journal of Agriculture and Biological Sciences

Integrated treatments between humic acid and sulfur for controlling early blight disease of potato plants under field infection.

F. El-Abd-Kareem; F. M. Abd-El-Faten; Y. O. Fotouh

9
claims
14
verbatim quotes
10
citations
3
research areas
—
Not open access

Abstract

2 Abstract: Potato crop (Solanum tuberosum L.) is one of the most important vegetable crops in Egypt. Integrated treatments between humic acid at concentrations 6.0 or 8.0 ml / l followed by sulfur at 3.0 or 4.0 g / l were evaluated against early blight disease under sever field infection. All tested concentrations of humic acid had no inhibitory effect on Alternaria solani. Meanwhile, sulfur at concentrations 3.0 and 4.0 g / l caused complete reduction of linear growth of A. solani under laboratory conditions. In greenhouse experiments, results indicate that the integrated treatments between humic acid followed by sulfur treatments with all tested concentrations reduced early blight severity more than 85.7 %. The highest increase in chitinase activity was obtained with humic acid at concentrations 6.0 and 8.0 ml / l when applied either alone or integrated with sulfur treatments which increased the chitinase activity more than 120.0 %. In field experiments results indicate that the most effective treatments were integrated treatments between humic acid followed by sulfur with all tested concentrations which reduced the early blight severity more than 83.6 %. Potato plants treated with sulfur at concentrations 3.0 or 4.0 g / l or Redomil - plus 2g / l resulted in reducing early blight severity more than 66.7 % during two succession growing seasons. Marked increase in potato yield was obtained with integrated treatments between humic acid followed by sulfur with all tested concentrations which increased the potato yield more than 59.3 % during the two growing seasons. It could be suggested that integrated treatment between humic acid followed by sulfur might be used commercially for controlling early blight disease of potato plants under field conditions.

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Claims 9

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Humic acid did not inhibit Alternaria solani growth.

Treatment
humic acide0
Interactor
Alternaria solaniAlternaria solanie0pathogen
Outcome
inhibitory effect on Alternaria solanie0
Direction
no inhibitory effecte0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗
Alternaria solani
Alternaria solani · InteractorClemson University - USDA Cooperative Extension Slide Series · CC BY 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“All tested concentrations of humic acid had no inhibitory effect on Alternaria solani”

✓ located verbatim in the source · abstract, characters 291–376 · show in text ↑
e1

“Potato crop (Solanum tuberosum L.)”

✓ located verbatim in the source · abstract, characters 12–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sulfur at 3.0 g/l completely reduced A. solani linear growth in the laboratory.

Treatment
sulfur at concentrations 3.0 and 4.0 g / le0
Interactor
A. solaniAlternaria solanie0pathogen
Outcome
linear growth of A. solanie0
Direction
complete reductione0
Setting
laboratory conditionse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗
Alternaria solani
Alternaria solani · InteractorClemson University - USDA Cooperative Extension Slide Series · CC BY 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“sulfur at concentrations 3.0 and 4.0 g / l caused complete reduction of linear growth of A. solani under laboratory conditions”

✓ located verbatim in the source · abstract, characters 389–515 · show in text ↑
e1

“Potato crop (Solanum tuberosum L.)”

✓ located verbatim in the source · abstract, characters 12–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrated humic acid and sulfur reduced greenhouse early blight severity by over 85.7%.

Treatment
integrated treatments between humic acid followed by sulfur treatmentse0
Outcome
early blight severitye0
Direction
reducede0
Value
more than 85.7 %e0
Setting
greenhouse experimentse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“In greenhouse experiments, results indicate that the integrated treatments between humic acid followed by sulfur treatments with all tested concentrations reduced early blight severity more than 85.7 %”

✓ located verbatim in the source · abstract, characters 517–718 · show in text ↑
e1

“Potato crop (Solanum tuberosum L.)”

✓ located verbatim in the source · abstract, characters 12–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Humic acid alone or with sulfur increased chitinase activity by over 120%.

Treatment
humic acid at concentrations 6.0 and 8.0 ml / le0
Outcome
chitinase activitye0
Direction
increasede0
Value
more than 120.0 %e0
Qualifier
either alone or integrated with sulfur treatmentse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“humic acid at concentrations 6.0 and 8.0 ml / l when applied either alone or integrated with sulfur treatments which increased the chitinase activity more than 120.0 %”

✓ located verbatim in the source · abstract, characters 781–948 · show in text ↑
e1

“Potato crop (Solanum tuberosum L.)”

✓ located verbatim in the source · abstract, characters 12–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrated humic acid and sulfur reduced field early blight severity by over 83.6%.

Treatment
integrated treatments between humic acid followed by sulfure0
Outcome
early blight severitye0
Direction
reducede0
Value
more than 83.6 %e0
Setting
field experimentse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“In field experiments results indicate that the most effective treatments were integrated treatments between humic acid followed by sulfur with all tested concentrations which reduced the early blight severity more than 83.6 %”

✓ located verbatim in the source · abstract, characters 950–1175 · show in text ↑
e1

“Potato crop (Solanum tuberosum L.)”

✓ located verbatim in the source · abstract, characters 12–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sulfur at 3.0 or 4.0 g/l reduced early blight severity by over 66.7% over two seasons.

Treatment
sulfur at concentrations 3.0 or 4.0 g / le0
Outcome
early blight severitye0
Direction
reducinge0
Value
more than 66.7 %e0
Qualifier
during two succession growing seasonse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Potato plants treated with sulfur at concentrations 3.0 or 4.0 g / l or Redomil - plus 2g / l resulted in reducing early blight severity more than 66.7 % during two succession growing seasons”

✓ located verbatim in the source · abstract, characters 1177–1368 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Redomil-plus at 2 g/l reduced early blight severity by over 66.7% over two seasons.

Treatment
Redomil - plus 2g / le0
Outcome
early blight severitye0
Direction
reducinge0
Value
more than 66.7 %e0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Potato plants treated with sulfur at concentrations 3.0 or 4.0 g / l or Redomil - plus 2g / l resulted in reducing early blight severity more than 66.7 % during two succession growing seasons”

✓ located verbatim in the source · abstract, characters 1177–1368 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrated humic acid and sulfur increased potato yield by over 59.3% over two seasons.

Treatment
integrated treatments between humic acid followed by sulfure0
Outcome
potato yielde0
Direction
increasede0
Value
more than 59.3 %e0
Qualifier
during the two growing seasonse0

Not reportedComparator

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Marked increase in potato yield was obtained with integrated treatments between humic acid followed by sulfur with all tested concentrations which increased the potato yield more than 59.3 % during the two growing seasons”

✓ located verbatim in the source · abstract, characters 1370–1591 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest commercial use of integrated humic acid and sulfur against potato early blight.

Treatment
integrated treatment between humic acid followed by sulfure0
Outcome
used commercially for controlling early blight diseasee0
Setting
field conditionse0

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“It could be suggested that integrated treatment between humic acid followed by sulfur might be used commercially for controlling early blight disease of potato plants under field conditions”

✓ located verbatim in the source · abstract, characters 1593–1782 · show in text ↑

sulfur atom · disease · Solanum tuberosum (potato)Positive and negative results

6 papers: 5 positive, 1 negative or no effect

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

  1. positive
  2. no effect
  3. positive

2 papers more in this group

See all 6 papers →

sulfur atom · yield · Solanum tuberosum (potato)Positive and negative results

10 papers: 9 positive, 1 negative or no effect

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

  1. positive
  2. negative
  3. positive

6 papers more in this group

See all 10 papers →

other · yield · Solanum tuberosum (potato)Results differ

78 papers: 73 positive, 5 negative or no effect

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

  1. no effect
  2. negative
  3. no effect

74 papers more in this group

See all 78 papers →

other · disease · Solanum tuberosum (potato)Positive and negative results

10 papers: 8 positive, 2 negative or no effect

7 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. no effect
  3. positive

6 papers more in this group

See all 10 papers →

other · physiology: antioxidant enzymes · Solanum tuberosum (potato)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 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.