Abstract
Background and Objective: African indigenous vegetables are rich in nutrients and medicinal properties that are important for health and vitality, but their availability is on the decline partly due to attacks by plant parasitic nematodes, hence field surveys were conducted in 2016 and 2017 to investigate the distribution of plant parasitic nematodes and their interactions with free-living nematodes in fields planted to three African indigenous vegetables in Southwest Nigeria.Materials and Methods: A total of 180 soil samples were taken from 180 farms in all Local Government Areas (LGAs) visited in the four States in Southwest Nigeria.Samples were taken from three vegetable fields in all the LGAs visited.Nematodes were extracted from 200 mL sub-samples; the nematodes were counted and identified under a compound microscope using a pictorial guide.Results: The results showed that 16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis.Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas.The correlation analysis shows an antagonistic relationship between free-living nematodes and plant parasitic nematodes.Conclusion: There is a need to cultivate vegetable crops to suppress the populations of plant parasitic nematodes in Southwest Nigeria.
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Claims 9
Claim · model-written summary
Sixteen genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis
Solanum macrocarpon
Amaranthus cruentus
Telfairia occidentalise0 - Interactor
- plant parasitic nematodese0pest
- Outcome
- genera of plant parasitic nematodese0
- Value
- 16 generae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
Claim · model-written summary
Meloidogyne was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- Meloidogyne
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Meloidogynee1pest - Outcome
- most abundant nematode speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Helicotylenchus was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- Helicotylenchus
Helicotylenchuse1pest - Outcome
- most abundant nematode speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Rotylenchulus was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- Rotylenchulus
Rotylenchuluse1pest - Outcome
- most abundant nematode speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Xiphinema was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Outcome
- most abundant nematode speciese1
.jpg?width=60){kind=small}
XiphinemaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Pratylenchus was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- Pratylenchus
Pratylenchuse1pest - Outcome
- most abundant nematode speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Hoplolaimus was among the most abundant plant parasitic nematode species in vegetable fields in the study areas.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- HoplolaimusHoplolaimuse1pest
- Outcome
- most abundant nematode speciese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e1“Meloidogyne, Helicotylenchus, Rotylenchulus, Xiphinema, Pratylenchus and Hoplolaimus were the most abundant nematode species encountered in vegetable fields in the study areas”
Claim · model-written summary
Free-living nematodes and plant parasitic nematodes show an antagonistic relationship in the vegetable fields surveyed.
- Taxon
- Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalisSolanum macrocarponAmaranthus cruentusTelfairia occidentalise0
- Interactor
- free-living nematodese2other
- Second interactor
- plant parasitic nematodese2pest
- Outcome
- antagonistic relationshipe2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“16 genera of plant parasitic nematodes were found associated with Amaranthus cruentus, Solanum macrocarpon and Telfairia occidentalis”
e2“The correlation analysis shows an antagonistic relationship between free-living nematodes and plant parasitic nematodes”
Claim · model-written summary
Vegetable crops should be cultivated to suppress plant parasitic nematode populations in Southwest Nigeria.
Verbatim
e3“There is a need to cultivate vegetable crops to suppress the populations of plant parasitic nematodes in Southwest Nigeria”