Cowpea Characterization
2024 Morphological Characterization of 562 accession of Cowpea in Ibadan, Oyo State , Nigeria
The International Institute of Tropical Agriculture (IITA) campus in Ibadan, Nigeria, is located in a tropical climate zone. Here are some key environmental conditions: The area experiences a tropical savanna climate, with distinct wet and dry seasons. The rainy season typically runs from March to October, while the dry season is from November to February. Average temperatures range from about 20°C (68°F) at night to around 30°C (86°F) during the day. Humidity levels can be high, especially during the rainy season, often exceeding 80%.The campus is home to diverse flora and fauna, including various tree species, shrubs, and wildlife, contributing to its rich ecological environment. The soil in the region is primarily lateritic, which can vary in fertility depending on the specific area and land management practices. The campus has access to several water bodies, and rainwater harvesting is promoted to support sustainable agriculture and research.
Number of days from planting to the notice of first flowering
Cowpea Morphological Characterization
Of mature pod
Characterisation
General plant growth habit
Immature pod pigmentation
CHARACTERISATION
Presence/absence of V-mark on leaflets
Number of pods per peduncle
Number of locules per pod
Intensity of green colour
Mean number of mature pods from 10 randomly selected plants
Of newly opened flowers
Recorded when peduncles have grown full length. Mean length of 10 peduncles, one from each of 10 randomly selected plants
Based on plant width and height 3 – 4 weeks after sowing
Mean of the 10 longest mature pods from 10 randomly selected plants
Recorded for the terminal leaflet of a young, mature leaf in the 6 th weekafter sowing
The widest dimension of the terminal leaflet whose shape was recorded
Raceme position
videometer
Cowpea characterization
CHARACTERISATION
videometer
List of accessions included in the dataset