Cowpea Yield Evaluation Trials - Amakama, 1987 - 1994

The Cowpea Breeding Unit develops improved cowpea lines with high grain yield potential and resistance/tolerance to biotic and abiotic stresses and possessing farmers and consumers preferences. Data generated from multi-year evaluation trials carried out on different sets of materials developed within several projects conducted by the cowpea breeding unit are contained in the database.


Data and Resources

Additional Info

Field Value
Creator Boukar, Ousmane
Creator Affiliation
Creator ID Type ORCID
Creator ID 0000-0003-0234-4264
Subject Vocab (AGROVOC/GACS/CAB) Grains,Cowpea,Seeds,Bacteria blight,flowering,Striga gesnerioides,Fodder,Resistance,Yield,Maturity,Plant density,Leaf spot,Aphid,Nodulation,Virus,Septoria,Insects,Scab,Vigna,GrainsCowpea,Grains, Cowpea, Seeds, Bacteria blight, flowering, Striga gesnerioides, Fodder, Resistance, Yield, Maturity, Plant density, Leaf spot, Aphid, Nodulation, Virus, Septoria, Insects, Scab, Vigna
Subject(s) Cowpea
Publisher International Institute of Tropical Agriculture (IITA)
Contributor Person Fatokun, Christian
Contributor Role
Contributor Project Lead Organisation Center International Institute of Tropical Agriculture (IITA)
Contributor Project Lead Center International Institute of Tropical Agriculture (IITA)
Contributor CRP CGIAR Research Program on Grain Legumes
Contributor Partner Not Applicable
Contributor Donor United States Agency for International Development (USAID)
Contributor Project Not Applicable
Project ID
Contributor Affiliation Not Applicable
Open-Access status Open Access
Production Date 1994-12-17
Embargo End Date
Content Type Dataset
File Format csv
Identifier Type DOI
Identifier Citation IITA Cowpea Breeding Unit. 2018. Database of evaluation trials conducted from 1990.
Source IITA cowpea breeding programme
Language English
Relation Not Applicable
Agroecological Zone Semihumid warm tropics
Coverage Region Western Africa
Coverage country Nigeria
Coverage Admin Unit Not Applicable
Coverage Y (Latitude) 5.47040
Coverage X (Longitude) 7.48412
Coverage Start Date 1987-04-17
Coverage End Date 1994-12-17
Contact Boukar, Ousmane, Cowpea Breeder, International Institute of Tropical Agriculture (IITA)
Contact Email
Restriction Not Applicable
Email Permission None
Rights CC-BY 4.0