Table 4 Number of individuals used in phenotypic evaluation and genotypic analysis of nine cassava hybrid populations
Population Seedling
evaluation
trial
Clonal
evaluation
trial
Preliminary
evaluation trial
Genotypic
analysis
Number of genotypes in contrasting bulks
for bulked segregant analysis
Marker-assisted
selection
Early bulking Late bulking Total
COB-1 181 160 146 123 20 11 31 92
COB-2 119 96 89 72 10 9 19 53
COB-3 124 102 89 77 13 10 23 54
COB-4 148 112 95 90 16 11 27 63
COB-5 133 124 103 88 20 11 31 57
COB-6 101 74 48 42 12 7 19 23
COB-7 272 209 168 120 19 17 36 84
COB-8 199 132 107 72 18 7 25 47
COB-9 217 173 152 105 17 11 28 77
Total 1494 1182 997 789 145 94 239 550
Mean 166 131.3 110.8 87.67 16.10 10.44 26.56 61.11