Paper · 2014 · Acta Agriculturae Scandinavica Section B - Soil & Plant Science

Effect of zoysiagrass rhizosphere fungal isolates on disease suppression and growth promotion of rice seedlings

Mohsen Mohamed Elsharkawy; Naglaa Hassan; Muhammad Ali; et al.

12
claims
19
verbatim quotes
14
citations
2
research areas
—
Not open access

Abstract

Some rhizosphere fungal isolates belonging to Phoma, Penicillium, Trichoderma and Fusarium were evaluated to control Fusarium and Rhizopus blights and bakanae diseases of rice seedlings. Among the isolates, Phoma spp. GS8-2, GS6-4 and GS10-2 showed 74–89% reduction of severity of Fusarium blight in rice seedlings. In case of Rhizopus blight, Phoma spp. GS8-2, GS6-4 and GS12-2 and Trichoderma harzianum GT3-2 reduced disease severity to 81–93%. Phoma sp. GS12-2 was the most effective isolate in controlling bakanae disease (90% reduction in disease severity). The effect of the tested isolates on the growth of rice seedlings varied significantly in terms of fresh and dry weight in rice trays. However, Phoma sp. GS12-2 effectively increased fresh and dry weight of shoots to 40 and 30%, respectively, compared with untreated control plants. In contrast, Phoma sp. GS6-4, T. harzianum GT3-2 and Penicillium sp. GP17-1 showed inhibitory effect to shoot growth of rice seedlings.

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Claims 12

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Three Phoma isolates reduced Fusarium blight severity by 74–89%.

Taxon
rice seedlingsOryza sativae0
Treatment
Phoma spp. GS8-2, GS6-4 and GS10-2e0
Interactor
FusariumFusariume0pathogen
Second interactor
Phoma spp.Phomae0biocontrol_agent
Outcome
severity of Fusarium blighte0
Direction
reductione0
Value
74–89%e0

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 ↗
Fusarium
Fusarium · Interactor · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗
Phoma
Phoma · Second interactorClemson University · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Phoma spp. GS8-2, GS6-4 and GS10-2 showed 74–89% reduction of severity of Fusarium blight in rice seedlings.”

✓ located verbatim in the source · abstract, characters 207–315 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS8-2 reduced Rhizopus blight severity.

Taxon
rice seedlingsOryza sativat0
Treatment
Phoma spp. GS8-2e0
Outcome
disease severitye0
Direction
reducede0
Value
81–93%e0

Not reportedInteractorComparator

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

e0

“Phoma spp. GS8-2, GS6-4 and GS12-2 and Trichoderma harzianum GT3-2 reduced disease severity to 81–93%.”

✓ located verbatim in the source · abstract, characters 344–446 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS6-4 reduced Rhizopus blight severity.

Taxon
rice seedlingsOryza sativat0
Treatment
GS6-4e0
Outcome
disease severitye0
Direction
reducede0
Value
81–93%e0

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

e0

“Phoma spp. GS8-2, GS6-4 and GS12-2 and Trichoderma harzianum GT3-2 reduced disease severity to 81–93%.”

✓ located verbatim in the source · abstract, characters 344–446 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS12-2 reduced Rhizopus blight severity.

Taxon
rice seedlingsOryza sativat0
Treatment
GS12-2e0
Outcome
disease severitye0
Direction
reducede0
Value
81–93%e0

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

e0

“Phoma spp. GS8-2, GS6-4 and GS12-2 and Trichoderma harzianum GT3-2 reduced disease severity to 81–93%.”

✓ located verbatim in the source · abstract, characters 344–446 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Trichoderma harzianum GT3-2 reduced Rhizopus blight severity.

Taxon
rice seedlingsOryza sativat0
Treatment
Trichoderma harzianum GT3-2e0
Interactor
Trichoderma harzianum GT3-2Trichoderma harzianume0biocontrol_agent
Outcome
disease severitye0
Direction
reducede0
Value
81–93%e0

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 ↗
Trichoderma harzianum
Trichoderma harzianum · InteractorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Trichoderma harzianum GT3-2 reduced disease severity to 81–93%.”

✓ located verbatim in the source · abstract, characters 383–446 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS12-2 reduced bakanae severity by 90%.

Taxon
rice seedlingsOryza sativat0
Treatment
Phoma sp. GS12-2e0
Interactor
Phoma sp. GS12-2e0biocontrol_agent
Outcome
bakanae diseasee0
Direction
reductione0
Value
90%e0

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

e0

“Phoma sp. GS12-2 was the most effective isolate in controlling bakanae disease (90% reduction in disease severity).”

✓ located verbatim in the source · abstract, characters 447–562 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Tested isolates significantly affected rice seedling fresh and dry weight.

Taxon
rice seedlingsOryza sativae0
Treatment
tested isolatese0
Outcome
fresh and dry weighte0
Setting
rice trayse0

Not reportedComparatorDirection

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

e0

“The effect of the tested isolates on the growth of rice seedlings varied significantly in terms of fresh and dry weight in rice trays.”

✓ located verbatim in the source · abstract, characters 563–697 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS12-2 raised shoot fresh weight by 40% versus controls.

Taxon
rice seedlingsOryza sativat0
Treatment
Phoma sp. GS12-2e0
Interactor
Phoma sp. GS12-2e0biocontrol_agent
Outcome
fresh and dry weight of shootse0
Direction
increasede0
Value
40e0
Comparator
untreated control plantse0

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

e0

“Phoma sp. GS12-2 effectively increased fresh and dry weight of shoots to 40 and 30%, respectively, compared with untreated control plants.”

✓ located verbatim in the source · abstract, characters 707–845 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phoma GS12-2 raised shoot dry weight by 30% versus controls.

Taxon
rice seedlingsOryza sativat0
Treatment
Phoma sp. GS12-2e0
Interactor
Phoma sp. GS12-2e0biocontrol_agent
Outcome
dry weight of shootse0
Direction
increasede0
Value
30%e0
Comparator
untreated control plantse0

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

e0

“Phoma sp. GS12-2 effectively increased fresh and dry weight of shoots to 40 and 30%, respectively, compared with untreated control plants.”

✓ located verbatim in the source · abstract, characters 707–845 · show in text ↑
t0

“rice seedlings”

✓ located verbatim in the source · title, characters 97–111 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phoma GS6-4 inhibited shoot growth.

Taxon
rice seedlingsOryza sativae0
Treatment
Phoma sp. GS6-4e0
Interactor
Phoma sp. GS6-4e0biocontrol_agent
Outcome
shoot growthe0
Direction
inhibitorye0

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

e0

“Phoma sp. GS6-4, T. harzianum GT3-2 and Penicillium sp. GP17-1 showed inhibitory effect to shoot growth of rice seedlings.”

✓ located verbatim in the source · abstract, characters 859–981 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

T. harzianum GT3-2 inhibited shoot growth.

Taxon
rice seedlingsOryza sativae0
Treatment
T. harzianum GT3-2e0
Interactor
T. harzianum GT3-2Trichoderma harzianume0biocontrol_agent
Outcome
shoot growthe0
Direction
inhibitorye0

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 ↗
Trichoderma harzianum
Trichoderma harzianum · InteractorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Phoma sp. GS6-4, T. harzianum GT3-2 and Penicillium sp. GP17-1 showed inhibitory effect to shoot growth of rice seedlings.”

✓ located verbatim in the source · abstract, characters 859–981 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Penicillium GP17-1 inhibited shoot growth.

Taxon
rice seedlingsOryza sativae0
Treatment
Penicillium sp. GP17-1e0
Interactor
Penicillium sp. GP17-1e0biocontrol_agent
Outcome
shoot growthe0
Direction
inhibitorye0

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

e0

“Phoma sp. GS6-4, T. harzianum GT3-2 and Penicillium sp. GP17-1 showed inhibitory effect to shoot growth of rice seedlings.”

✓ located verbatim in the source · abstract, characters 859–981 · show in text ↑

Trichoderma harzianum · growth · Oryza sativa (rice)Positive and negative results

15 papers: 13 positive, 2 negative or no effect

1 paper in the same direction as this paper · 13 in the opposite direction

  1. positive
  2. positive
  3. positive

11 papers more in this group

See all 15 papers →

Phoma · growth · Oryza sativa (rice)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

Trichoderma harzianum · disease · Oryza sativa (rice)Results agree

16 papers: 16 positive, 0 negative or no effect

15 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

12 papers more in this group

See all 16 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.