Paper · 2004

Can fungal endophytes control soilborne pests in banana

Björn Niere; Clifford S. Gold; Danny Coyne

5
claims
6
verbatim quotes
6
citations
2
research areas
—
Not open access

Abstract

A variety of endophytic fungi were isolated from banana corm and root tissue and screened in vivo for activity against banana weevils, nematodes (Radopholus similis) and Fusariwn wilt, key pests and diseases of banana. The most promising strains were selected for inoculation onto tissue culture banana plants. The selected strains were able to colonize tissue-culture banana when plants were inoculated at an early stage. Inoculation of endophytes could lead to, depending on fungal isolate and banana clone, smaller weevil larvae, reduced weevil damage and reduced nematode multiplication. However, inoculation of endophytes did not reduce disease expression of Fusariurn wilt in these experiments. The results provide evidence on the potential for use of fungal endophytes for banana weevil and nematode management during early plant developmental stages of banana. Longterm pest and disease management might involve persistence of the fungal endophyte or the activation of effective and durable plant defense responses in bananas. Use of Fusarium oxysporom endophytes for the management of Fusarium wilt of banana appears to hold less promise.

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Claims 5

Observationobservedoriginal resultmeasured

Claim · model-written summary

Selected strains colonized early inoculated tissue-culture banana.

Taxon
bananae0
Outcome
colonize tissue-culture bananae0

Not reportedTreatmentComparatorDirection

Verbatim

e0

“The selected strains were able to colonize tissue-culture banana when plants were inoculated at an early stage”

✓ located verbatim in the source · abstract, characters 311–421 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Endophyte inoculation could reduce weevil larval size.

Taxon
bananae0
Treatment
Inoculation of endophytese0
Interactor
weevile0pest
Outcome
smaller weevil larvaee0
Direction
smallere0

Not reportedComparator

Verbatim

e0

“Inoculation of endophytes could lead to, depending on fungal isolate and banana clone, smaller weevil larvae”

✓ located verbatim in the source · abstract, characters 423–531 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Endophyte inoculation could reduce weevil damage.

Taxon
bananae0
Treatment
Inoculation of endophytese0
Interactor
weevile0pest
Outcome
weevil damagee0
Direction
reducede0

Not reportedComparator

Verbatim

e0

“Inoculation of endophytes could lead to, depending on fungal isolate and banana clone, smaller weevil larvae, reduced weevil damage”

✓ located verbatim in the source · abstract, characters 423–554 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Endophyte inoculation could reduce nematode multiplication.

Taxon
bananae0
Treatment
Inoculation of endophytese0
Interactor
nematodeNematodae0pest
Outcome
nematode multiplicatione0
Direction
reducede0

Not reportedComparator

Verbatim

e0

“Inoculation of endophytes could lead to, depending on fungal isolate and banana clone, smaller weevil larvae, reduced weevil damage and reduced nematode multiplication”

✓ located verbatim in the source · abstract, characters 423–590 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Endophytes did not reduce Fusarium wilt expression.

Taxon
bananae1
Treatment
inoculation of endophytese0
Interactor
Fusariurne0pathogen
Outcome
disease expression of Fusariurn wilte0
Direction
did not reducee0

Not reportedComparator

Verbatim

e0

“inoculation of endophytes did not reduce disease expression of Fusariurn wilt in these experiments”

✓ located verbatim in the source · abstract, characters 601–699 · show in text ↑
e1

“The selected strains were able to colonize tissue-culture banana when plants were inoculated at an early stage”

✓ located verbatim in the source · abstract, characters 311–421 · show in text ↑

inoculation · molecular: expression · MusaPositive and negative results

6 papers: 4 positive, 2 negative or no effect

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

  1. positive
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

inoculation · Nematoda · MusaPositive and negative results

8 papers: 3 positive, 5 negative or no effect

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

  1. no effect
  2. no effect
  3. negative
    Combined nematode and fungal inoculation caused more damage than either alone.

    Root disease complex of bananas and plantains in Cameroon · 1998 · compared with inoculated with either the nematode or the fungus

    Opposite direction

4 papers more in this group

See all 8 papers →

inoculation · pest · MusaPositive and negative results

9 papers: 7 positive, 2 negative or no effect

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

  1. negative
  2. negative
  3. positive

5 papers more in this group

See all 9 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.