Abstract
A comprehensive survey of the plant parasitic nematodes associated with cowpea (Vigna unguiculata) production fields was carried out in the three primary agro-climatic zones of Burkina Faso in West Africa. Across the three zones, a total of 109 samples were collected from the farms of 32 villages to provide a representative coverage of the cowpea production areas. Samples of rhizosphere soil and samples of roots from actively growing cowpea plants were collected during mid- to late-season. Twelve plant-parasitic nematode genera were identified, of which six appeared to have significant parasitic potential on cowpea based on their frequency and abundance. These included Helicotylenchus, Meloidogyne, Pratylenchus, Scutellonema, Telotylenchus, and Tylenchorhynchus. Criconemella and Rotylenchulus also had significant levels of abundance and frequency, respectively. Of the primary genera, Meloidogyne, Pratylenchus, and Scutellonema contained species which are known or suspected to cause losses of cowpea yield in other parts of the world. According to the prevalence and distribution of these genera in Burkina Faso, their potential for damage to cowpea increased from the dry Sahelian semi-desert zone in the north (annual rainfall < 600 mm/year), through the north-central Soudanian zone (annual rainfall of 600-800 mm/year), to the wet Soudanian zone (annual rainfall ≥ 1000 mm) in the more humid south-western region of the country. This distribution trend was particularly apparent for the endoparasitic nematode Meloidogyne and the migratory endoparasite Pratylenchus.
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Claims 8
Claim · model-written summary
Twelve plant-parasitic nematode genera were identified in the cowpea survey.
- Taxon
- Cowpea
Vigna unguiculatat0 - Outcome
- plant-parasitic nematode genera were identifiede0
- Value
- Twelvee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twelve plant-parasitic nematode genera were identified”
t0“Cowpea”
Claim · model-written summary
Helicotylenchus, Meloidogyne and Pratylenchus appeared to have significant parasitic potential on cowpea based on abundance and frequency.
- Taxon
- cowpeaVigna unguiculatae0
- Interactor
- Helicotylenchus
Helicotylenchuse0parasite - Second interactor
- Meloidogyne
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogynee0parasite - Outcome
- significant parasitic potentiale0
- Qualifier
- Pratylenchuse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“six appeared to have significant parasitic potential on cowpea based on their frequency and abundance. These included Helicotylenchus, Meloidogyne, Pratylenchus, Scutellonema, Telotylenchus, and Tylenchorhynchus.”
Claim · model-written summary
Scutellonema, Telotylenchus and Tylenchorhynchus appeared to have significant parasitic potential on cowpea based on abundance and frequency.
- Taxon
- cowpeaVigna unguiculatae0
- Interactor
- ScutellonemaScutellonemae0parasite
- Second interactor
- TelotylenchusTelotylenchuse0parasite
- Outcome
- significant parasitic potentiale0
- Qualifier
- Tylenchorhynchuse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“six appeared to have significant parasitic potential on cowpea based on their frequency and abundance. These included Helicotylenchus, Meloidogyne, Pratylenchus, Scutellonema, Telotylenchus, and Tylenchorhynchus.”
Claim · model-written summary
Criconemella had substantial abundance.
Verbatim
e0“Criconemella and Rotylenchulus also had significant levels of abundance and frequency, respectively.”
Claim · model-written summary
Rotylenchulus had substantial frequency.
- Taxon
- Rotylenchulus
Rotylenchuluse0 - Outcome
- frequencye0
- Direction
- significant levelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Criconemella and Rotylenchulus also had significant levels of abundance and frequency, respectively.”
Claim · model-written summary
Potential nematode damage to cowpea increased from the dry northern Sahelian zone through the north-central Soudanian zone to the wet southwestern Soudanian zone.
- Taxon
- cowpeaVigna unguiculatae0
- Outcome
- potential for damage to cowpeae0
- Direction
- increasede0
- Qualifier
- from the dry Sahelian semi-desert zone in the north (annual rainfall < 600 mm/year), through the north-central Soudanian zone (annual rainfall of 600-800 mm/year), to the wet Soudanian zone (annual rainfall ≥ 1000 mm)e0
- Setting
- Burkina Fasoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to the prevalence and distribution of these genera in Burkina Faso, their potential for damage to cowpea increased from the dry Sahelian semi-desert zone in the north (annual rainfall < 600 mm/year), through the north-central Soudanian zone (annual rainfall of 600-800 mm/year), to the wet Soudanian zone (annual rainfall ≥ 1000 mm) in the more humid south-western region of the country.”
Claim · model-written summary
The geographic distribution trend was particularly apparent for Meloidogyne.
- Taxon
- MeloidogyneMeloidogynee0
- Outcome
- potential for damage to cowpeae1
- Direction
- increasede1
- Qualifier
- particularly apparente0
- Setting
- dry Sahelian semi-desert zonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This distribution trend was particularly apparent for the endoparasitic nematode Meloidogyne and the migratory endoparasite Pratylenchus.”
e1“their potential for damage to cowpea increased from the dry Sahelian semi-desert zone in the north”
Claim · model-written summary
The geographic distribution trend was particularly apparent for Pratylenchus.
- Taxon
- Pratylenchus
Pratylenchuse0 - Outcome
- potential for damage to cowpeae1
- Direction
- increasede1
- Qualifier
- particularly apparente0
- Setting
- dry Sahelian semi-desert zonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This distribution trend was particularly apparent for the endoparasitic nematode Meloidogyne and the migratory endoparasite Pratylenchus.”
e1“their potential for damage to cowpea increased from the dry Sahelian semi-desert zone in the north”