Abstract
Changes in the fungal community resulting from nematode suppression were studied by comparing the number of fungal species in the soil and mungbean roots between soils with and without amendment with Lantana camara. Addition of L. camara to the soil at 1% (w:w) significantly reduced the Meloidogyne javanica population density in the soil and in the roots of mungbean, as well as subsequent root-knot infestation of mungbean, confirming that nematode suppressiveness was induced by this organic amendment. L. camara amendment was associated with an increase in fungal populations, especially those with nematicidal activity. The soil was probably the major source of fungal endophytes in mungbean roots since nearly all the endophytic fungi were also found in the soil. L. camaraamended soils contained several fungi that were not found in unamended soil, including an Acremonium sp., Aspergillus fumigatus, Drechslera australiensis, Fusarium culmorum, Penicillium notatum and Trichoderma viride. The fungi in the inner root tissues of mungbean growing in L. camara-amended soil included an Acremonium sp., F. solani, Macrophomina phaseolina, Penicillium sp., and Trichoderma viride. Only T. viride was not encountered in the inner root tissues of mungbean in unamended soil. M. phaseolina and F. solani were isolated with relatively high frequency from the inner root tissues of mungbean growing in unamended soils while the remaining endorhizal fungi were more frequent in amended soils. M. phaseolina, though isolated extensively from the inner root tissues, either did not occur in the soil or was not isolated by the soil dilution technique used. When fungi from soil amended with L. camara were tested for their nematicidal and hatch-inhibiting activity, Aspergillus niger produced the greatest nematode mortality, while T. viride caused the greatest inhibition of egg hatching of M. javanica.
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Claims 12
Claim · model-written summary
Lantana amendment significantly reduced M. javanica density in soil and mungbean roots.
- Taxon
- mungbean
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Vigna radiatae0 - Treatment
- Addition of L. camara to the soil at 1% (w:w)e0
- Interactor
- Meloidogyne javanicaMeloidogyne javanicae0pathogen
- Outcome
- Meloidogyne javanica population density in the soil and in the roots of mungbeane0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Addition of L. camara to the soil at 1% (w:w) significantly reduced the Meloidogyne javanica population density in the soil and in the roots of mungbean”
Claim · model-written summary
Lantana amendment significantly reduced root-knot infestation.
- Taxon
- mungbeanVigna radiatae0
- Treatment
- Addition of L. camara to the soil at 1% (w:w)e0
- Interactor
- Meloidogyne javanicaMeloidogyne javanicae0pathogen
- Outcome
- root-knot infestation of mungbeane0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of L. camara to the soil at 1% (w:w) significantly reduced the Meloidogyne javanica population density in the soil and in the roots of mungbean, as well as subsequent root-knot infestation of mungbean”
Claim · model-written summary
Lantana amendment was associated with increased fungi, especially nematicidal fungi.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- L. camara amendmente0
- Outcome
- fungal populationse0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“L. camara amendment was associated with an increase in fungal populations, especially those with nematicidal activity.”
t0“mungbean”
Claim · model-written summary
Nearly all mungbean root endophytes were also found in soil.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- endophytic fungi were also found in the soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nearly all the endophytic fungi were also found in the soil.”
t0“mungbean”
Claim · model-written summary
Amended soil contained several fungi absent from unamended soil.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- L. camaraamended soilse0
- Outcome
- several fungi that were not found in unamended soile0
- Comparator
- unamended soile0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“L. camaraamended soils contained several fungi that were not found in unamended soil, including an Acremonium sp., Aspergillus fumigatus, Drechslera australiensis, Fusarium culmorum, Penicillium notatum and Trichoderma viride.”
t0“mungbean”
Claim · model-written summary
Acremonium, F. solani, M. phaseolina, Penicillium and T. viride occurred in inner mungbean roots in amended soil.
- Taxon
- mungbeanVigna radiatae0
- Organ / stage
- inner root tissuese0
- Treatment
- L. camara-amended soile0
- Outcome
- fungi in the inner root tissues of mungbeane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fungi in the inner root tissues of mungbean growing in L. camara-amended soil included an Acremonium sp., F. solani, Macrophomina phaseolina, Penicillium sp., and Trichoderma viride.”
Claim · model-written summary
T. viride was absent from inner mungbean roots in unamended soil.
- Taxon
- mungbeanVigna radiatae0
- Treatment
- unamended soile0
- Interactor
- T. viride
Trichoderma viridee0other - Outcome
- T. viride was not encountered in the inner root tissues of mungbeane0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Only T. viride was not encountered in the inner root tissues of mungbean in unamended soil.”
Claim · model-written summary
M. phaseolina and F. solani were relatively frequent in inner roots from unamended soil.
- Taxon
- mungbeanVigna radiatae0
- Treatment
- unamended soilse0
- Outcome
- relatively high frequency from the inner root tissues of mungbeane0
- Direction
- relatively highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“M. phaseolina and F. solani were isolated with relatively high frequency from the inner root tissues of mungbean growing in unamended soils”
Claim · model-written summary
Other endorhizal fungi were more frequent in amended soils.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- amended soilse0
- Outcome
- endorhizal fungie0
- Direction
- more frequente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the remaining endorhizal fungi were more frequent in amended soils.”
t0“mungbean”
Claim · model-written summary
M. phaseolina was common in inner roots but not recovered from soil.
- Taxon
- mungbeanVigna radiatat0
- Outcome
- M. phaseolina, though isolated extensively from the inner root tissues, either did not occur in the soil or was not isolatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“M. phaseolina, though isolated extensively from the inner root tissues, either did not occur in the soil or was not isolated by the soil dilution technique used.”
t0“mungbean”
Claim · model-written summary
A. niger produced the greatest nematode mortality in activity assays.
- Taxon
- mungbeanVigna radiatat0
- Interactor
- Aspergillus niger
Aspergillus nigere0biocontrol_agent - Outcome
- nematode mortalitye0
- Direction
- greateste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aspergillus niger produced the greatest nematode mortality”
t0“mungbean”
Claim · model-written summary
T. viride inhibited M. javanica egg hatching most strongly.
- Taxon
- mungbeanVigna radiatat0
- Interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Second interactor
- T. virideTrichoderma viridee0biocontrol_agent
- Outcome
- inhibition of egg hatching of M. javanicae0
- Direction
- greateste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. viride caused the greatest inhibition of egg hatching of M. javanica.”
t0“mungbean”
The same questions in other papers
Lantana camara · Meloidogyne javanica · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.