Genetic Diversity among Sugarcane Genotypes Based on Qualitative Traits
Table 2
Estimates of , partitioning into within and between locations (regions and countries) for 16 qualitative characters in 400 sugarcane germplasm samples.
Character
Presence or absence of bud cushion (BUDCUSHION)
0.93
0.82
0.88
0.12
Relative degree of bud extension (BUDEXTEND)
0.92
0.83
0.91
0.09
Relative bud shape (BUDSHAPE)
0.93
0.90
0.96
0.04
Canopy structure (CANOPY)
0.93
0.89
0.95
0.05
Relative shape of dewlap (DEWLAPSHAP)
0.94
0.92
0.97
0.03
Relative plant erectness (ERECT)
0.78
0.75
0.96
0.04
Relative degree of internode alignment (INALIGN)
0.98
0.92
0.93
0.07
Relative internode shape (INSHAPE)
0.89
0.83
0.93
0.07
Color of the leaves (LEAFCOLOR)
0.84
0.80
0.96
0.04
Type of outer auricle (AURICLEOUT)
0.91
0.87
0.96
0.04
Relative shape of ligule (LIGSHAPE)
0.90
0.89
0.99
0.01
Presence or absence of stalk corky cracks (STALKCORKC)
0.43
0.37
0.85
0.15
Presence or absence of stalk corky patches (STALKCORKP)
0.79
0.54
0.68
0.32
Presence or absence of stalk growth cracks (STALKCRACK)
0.88
0.69
0.78
0.22
Color of the exposed rind (RINDCOLE)
0.92
0.91
0.99
0.01
Presence or absence of bud groove (BUDGROOVE)
0.96
0.84
0.88
0.12
Average
0.87
0.80
0.91
0.09
: diversity index for each character calculated from entire data set; : average diversity index of each character for the 20 locations and countries; : proportion of diversity within localities and countries; and : proportion of diversity between localities and countries in relation to the total variation.
