Abstract
Banana plants (Musa spp.) are susceptible to infection by many plant-parasitic nematodes, including Meloidogyne incognita. In this study, a mixed fermentation broth of chicken manure (CM) and cassava ethanol wastewater (CEW) was used to inhibit M. incognita by reducing egg hatching and by having a lethal effect on second-stage juvenile nematodes (J2s). It also alleviated nematode damage and promoted banana plant growth. Using gas chromatography–mass spectrometry (GC–MS), we identified methyl palmitate and methyl stearate as bioactive compounds. These bioactive compounds repelled J2s and inhibited egg hatching; reduced root galls, egg masses, and nematodes in soil; and downregulated the essential parasitic nematode genes Mi-flp-18 and 16D10. A Caenorhabditis elegans offspring assay showed that low concentrations of the fermentation broth, methyl palmitate, and methyl stearate were safe for its life cycle. This study explored the effective and environmentally safe strategies for controlling root-knot nematodes.
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Claims 10
Claim · model-written summary
Mixed fermentation broth inhibited M. incognita egg hatching.
- Taxon
- Banana plantse0
- Treatment
- a mixed fermentation broth of chicken manure (CM) and cassava ethanol wastewater (CEW)e1
- Interactor
- M. incognita
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Meloidogyne incognitae1pathogen - Outcome
- egg hatchinge1
- Direction
- reducinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“Banana plants (Musa spp.)”
e1“a mixed fermentation broth of chicken manure (CM) and cassava ethanol wastewater (CEW) was used to inhibit M. incognita by reducing egg hatching”
Claim · model-written summary
Mixed fermentation broth was lethal to M. incognita second-stage juveniles.
Not reportedTreatmentComparatorDirection
Verbatim
e0“Banana plants (Musa spp.)”
e1“a lethal effect on second-stage juvenile nematodes (J2s)”
Claim · model-written summary
The broth alleviated nematode damage in banana.
Not reportedTreatmentComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“It also alleviated nematode damage and promoted banana plant growth”
Claim · model-written summary
The broth promoted banana growth.
Not reportedTreatmentComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“It also alleviated nematode damage and promoted banana plant growth”
Claim · model-written summary
GC–MS identified methyl palmitate and methyl stearate as bioactive compounds in the banana nematode control study.
Verbatim
e0“Banana plants (Musa spp.)”
e1“Using gas chromatography–mass spectrometry (GC–MS), we identified methyl palmitate and methyl stearate as bioactive compounds”
Claim · model-written summary
Methyl palmitate repelled nematode juveniles and inhibited egg hatching.
- Taxon
- Bananae0
- Treatment
- methyl palmitatee1
- Interactor
- J2se1pathogen
- Outcome
- J2s and inhibited egg hatchinge1
- Direction
- repellede1
Not reportedComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“methyl palmitate and methyl stearate as bioactive compounds. These bioactive compounds repelled J2s and inhibited egg hatching”
Claim · model-written summary
Methyl stearate repelled nematode juveniles and inhibited egg hatching.
- Taxon
- Bananae0
- Treatment
- methyl stearatee1
- Interactor
- J2se1pathogen
- Outcome
- J2s and inhibited egg hatchinge1
- Direction
- repellede1
Not reportedComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“methyl palmitate and methyl stearate as bioactive compounds. These bioactive compounds repelled J2s and inhibited egg hatching”
Claim · model-written summary
The bioactive compounds reduced root galls, egg masses, and soil nematodes.
- Taxon
- Bananae0
- Treatment
- bioactive compoundse1
- Outcome
- root galls, egg masses, and nematodes in soile1
- Direction
- reducede1
Not reportedComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“These bioactive compounds repelled J2s and inhibited egg hatching; reduced root galls, egg masses, and nematodes in soil”
Claim · model-written summary
The bioactive compounds downregulated nematode Mi-flp-18 and 16D10.
- Taxon
- Bananae0
- Interactor
- parasitic nematodee1pathogen
- Gene
- Mi-flp-18 and 16D10e1
- Outcome
- essential parasitic nematode genes Mi-flp-18 and 16D10e1
- Direction
- downregulatede1
Not reportedTreatmentComparator
Verbatim
e0“Banana plants (Musa spp.)”
e1“downregulated the essential parasitic nematode genes Mi-flp-18 and 16D10”
Claim · model-written summary
Low concentrations of broth, methyl palmitate, and methyl stearate were safe for the C. elegans life cycle.
- Taxon
- Bananae0
- Interactor
- Caenorhabditis elegans
Caenorhabditis eleganse1other - Outcome
- safe for its life cyclee1
- Qualifier
- low concentrationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Banana plants (Musa spp.)”
e1“A Caenorhabditis elegans offspring assay showed that low concentrations of the fermentation broth, methyl palmitate, and methyl stearate were safe for its life cycle”
The same questions in other papers
fertilization · Meloidogyne incognita · MusaResults agree
1 paper in the same direction as this paper
- 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.