Abstract
Abstract In Uganda, banana (Musa spp.) production is constrained by the burrowing nematode Radopholus similis. Non-pathogenic, endophytic Fusarium oxysporum has been isolated from healthy banana plants, and several strains have shown potential as biological control agents against R. similis. Plant infection by R. similis can be characterised in three steps: host searching, root penetration and reproduction. In this study, we investigated the effects of three endophytic F. oxysporum strains (Eny1.31i, Eny7.11o and V5w2) on root penetration and reproduction of R. similis in tissue culture-derived banana plants. The number of R. similis that penetrated roots of endophyte-inoculated and untreated plants was not influenced by the endophytes in either laboratory or screenhouse experiments. However, R. similis reproduction was reduced by endophytes. Strain V5w2 gave the greatest suppression of R. similis reproduction. The results of this study imply that antagonism of endophytic F. oxysporum against R. similis in banana plants is post-infectional and mediated through disruption of nematode reproduction.
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Claims 4
Claim · model-written summary
Endophyte inoculation did not alter nematode root penetration in laboratory or screenhouse trials.
- Taxon
- bananat0
- Treatment
- endophyte-inoculatede0
- Interactor
- R. similis
Radopholus similise0pathogen - Second interactor
- F. oxysporum
_(Fusarium_oxysporum_f.sp._batatas)_1234227-PPT-Clemson_University.jpg?width=60)
Fusarium oxysporume1biocontrol_agent - Outcome
- number of R. similis that penetrated rootse0
- Direction
- not influencede0
- Comparator
- untreated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_(Fusarium_oxysporum_f.sp._batatas)_1234227-PPT-Clemson_University.jpg?width=500)
Verbatim
e0“The number of R. similis that penetrated roots of endophyte-inoculated and untreated plants was not influenced by the endophytes in either laboratory or screenhouse experiments”
t0“banana (Musa spp.) plants”
e1“endophytic F. oxysporum strains”
Claim · model-written summary
Endophytes reduced R. similis reproduction.
- Taxon
- bananat0
- Treatment
- endophytese0
- Interactor
- R. similisRadopholus similise0pathogen
- Second interactor
- F. oxysporumFusarium oxysporume1biocontrol_agent
- Outcome
- R. similis reproductione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“R. similis reproduction was reduced by endophytes”
t0“banana (Musa spp.) plants”
e1“endophytic F. oxysporum strains”
Claim · model-written summary
V5w2 most strongly suppressed R. similis reproduction.
- Taxon
- bananat0
- Treatment
- Strain V5w2e0
- Interactor
- R. similisRadopholus similise0pathogen
- Second interactor
- V5w2e0biocontrol_agent
- Outcome
- R. similis reproductione0
- Direction
- greatest suppressione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Strain V5w2 gave the greatest suppression of R. similis reproduction”
t0“banana (Musa spp.) plants”
Claim · model-written summary
The authors infer post-infection antagonism through disruption of nematode reproduction.
- Taxon
- bananae0
- Interactor
- R. similisRadopholus similise0pathogen
- Second interactor
- F. oxysporumFusarium oxysporume0biocontrol_agent
- Outcome
- nematode reproductione0
- Qualifier
- post-infectionale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“antagonism of endophytic F. oxysporum against R. similis in banana plants is post-infectional and mediated through disruption of nematode reproduction”
The same questions in other papers
inoculation · Radopholus similis · MusaPositive and negative results
8 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative
- positive
- positive
- positive
8 papers more in this group
See all 12 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.