Paper · 2013 · African Journal of Agricultural Research

Inhibitory effects of Acremonium sp. on Fusarium wilt in bananas

Yuelian Liu; Lü Qing-fang

8
claims
14
verbatim quotes
5
citations
3
research areas
✓
Open access

Abstract

An endophytic fungus, strain Q34, isolated from Kandelia candel (L.) Druce showed strong in vitro antagonistic activity toward Fusarium oxysporum f. sp. cubense (foc) race 4. The crude extract of the strain inhibited the growth of foc race 4 and caused conidial deformation. In gas chromatography-mass spectrometry (GC-MS) analysis, the crude extract showed 18 main peaks. Three substances from the main peaks showed strong inhibitory activity against the growth of foc race 4. Moreover, the strain Q34 reduced the incidence of Fusarium wilt in banana plantlets under greenhouse conditions and in the field. This strain was identified as Acremonium sp. on the basis of morphology. These results suggest that strain Q34 is potentially useful for the biological control of foc race 4. Key words: Fusarium oxysporum f. sp. cubense race 4, Acremonium sp., biological control, Fusarium wilt.

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Claims 8

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Strain Q34 had strong in vitro antagonistic activity toward F. oxysporum f. sp. cubense race 4.

Taxon
Kandelia candel (L.) DruceKandelia candele0
Interactor
Fusarium oxysporum f. sp. cubense (foc) race 4Fusarium oxysporum f. sp. cubensee0pathogen
Outcome
antagonistic activity toward Fusarium oxysporum f. sp. cubense (foc) race 4e0

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

Kandelia candel
Kandelia candel · TaxonVengolis · CC BY-SA 3.0 · Wikimedia Commons ↗
Fusarium oxysporum f. sp. cubense
Fusarium oxysporum f. sp. cubense · Interactor · picture of its genus (no picture of exactly this name)Public domain · Wikimedia Commons ↗

Verbatim

e0

“strain Q34, isolated from Kandelia candel (L.) Druce showed strong in vitro antagonistic activity toward Fusarium oxysporum f. sp. cubense (foc) race 4”

✓ located verbatim in the source · abstract, characters 22–173 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The Q34 crude extract inhibited foc race 4 growth.

Taxon
bananat0
Treatment
crude extract of the straine0
Interactor
foc race 4e0pathogen
Outcome
growth of foc race 4e0
Direction
inhibitede0

Not reportedComparator

Verbatim

e0

“The crude extract of the strain inhibited the growth of foc race 4 and caused conidial deformation”

✓ located verbatim in the source · abstract, characters 175–273 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The Q34 crude extract caused foc race 4 conidial deformation.

Taxon
bananat0
Treatment
crude extract of the straine0
Interactor
foc race 4e0pathogen
Outcome
conidial deformatione0

Not reportedComparatorDirection

Verbatim

e0

“The crude extract of the strain inhibited the growth of foc race 4 and caused conidial deformation”

✓ located verbatim in the source · abstract, characters 175–273 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

GC-MS detected 18 main peaks in the crude extract.

Taxon
bananat0
Outcome
main peakse0
Value
18e0

Verbatim

e0

“the crude extract showed 18 main peaks”

✓ located verbatim in the source · abstract, characters 333–371 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Three main-peak substances strongly inhibited foc race 4 growth.

Taxon
bananat0
Treatment
Three substances from the main peakse0
Interactor
foc race 4e0pathogen
Outcome
growth of foc race 4e0
Direction
inhibitorye0

Not reportedComparator

Verbatim

e0

“Three substances from the main peaks showed strong inhibitory activity against the growth of foc race 4”

✓ located verbatim in the source · abstract, characters 373–476 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Strain Q34 reduced Fusarium wilt incidence in banana plantlets in greenhouse and field conditions.

Taxon
banana plantletse0
Treatment
strain Q34e0
Interactor
FusariumFusariume0pathogen
Outcome
incidence of Fusarium wilte0
Direction
reducede0
Setting
greenhouse conditions and in the fielde0

Not reportedComparator

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

Fusarium
Fusarium · Interactor · picture of the genus (one of its species)Public domain · Wikimedia Commons ↗

Verbatim

e0

“strain Q34 reduced the incidence of Fusarium wilt in banana plantlets under greenhouse conditions and in the field”

✓ located verbatim in the source · abstract, characters 492–606 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Strain Q34 was identified morphologically as Acremonium sp.

Taxon
bananat0
Interactor
Acremonium sp.Acremoniume0biocontrol_agent
Outcome
identified as Acremonium sp.e0

Verbatim

e0

“This strain was identified as Acremonium sp. on the basis of morphology”

✓ located verbatim in the source · abstract, characters 608–679 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest Q34 has potential for biological control of foc race 4.

Taxon
bananat0
Interactor
foc race 4e0pathogen
Outcome
biological control of foc race 4e0

Verbatim

e0

“strain Q34 is potentially useful for the biological control of foc race 4”

✓ located verbatim in the source · abstract, characters 708–781 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 57–64 · show in text ↑

botanical · growth · MusaResults agree

19 papers: 19 positive, 0 negative or no effect

18 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

15 papers more in this group

See all 19 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.