Cowpea morphological characterization 2022
The Genetic Resources Center of the International Institute of Tropical Agriculture characterized 898 Cowpea accessions in October 2022. The data were captured in Ibadan following the IPGRI descriptor for Cowpea. The objective of data capturing is to identify the morphological variation in the plants and seeds.
Days from planting to the notice of first flowering
From sowing to stage when 50% of plants have mature pods
Days from planting to first ripe pod
Of mature pod
A measure of flowers size; the mean length of 10 freshly opened, randomly selected standard petals
Pattern of pigment distribution on full grown immature pods
Intensity of green colour
Presence/absence of V-mark on leaflets
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
Of mature pod
Of mature pods
Recorder when peduncles have reached full length
Stem determanacy
Terminal leaflet whose shape was recorded
Recorded for the terminal leaflet of a young, mature leaf in the 6th week after sowing
The widest dimension of the terminal leaflet whose shape was recorded
Mean of the 10 longest mature pods from 10 randomly selected plants
A visual estimate of seed compression, being indicative of spacing within the pod
Seed RatioWidthLength
Video Meter
Video meter
List of accessions included in the dataset