Sugarcane Landraces of Ethiopia: Germplasm Collection and Analysis of Regional Diversity and Distribution

Table 9

Shannon-Weaver Diversity Indices () and mean and standard error (±SE) of landraces in each region based on 16 discrete characters.

Characters	Amhara	Benshangul-Gumz	Introduced	Oromia	SNNP	Tigray	EL^b	Total
Presence or absence of bud cushion (BUDCUSHION)	0.83	0.95	0.95	0.89	0.82	0.98	0.90	0.88
Relative degree of bud extension (BUDEXTEND)	0.77	0.79	0.93	0.74	0.72	0.87	0.80	0.78
Relative bud Shape (BUDSHAPE)	0.78	0.96	0.89	0.81	0.85	0.78	0.84	0.78
Canopy structure (CANOPY)	0.89	0.98	0.95	0.81	0.78	0.96	0.89	0.84
Relative shape of dewlap (DEWLAPSHAP)	0.87	0.94	0.92	0.90	0.82	0.96	0.90	0.86
Relative plant erectness (ERECT)	0.80	0.82	0.50	0.67	0.71	0.88	0.73	0.64
Relative degree of internode alignment (INALIGN)	0.96	0.76	0.98	0.97	0.98	1.00	0.94	0.98
Relative internode shape (INSHAPE)	0.86	0.69	0.95	0.77	0.83	0.91	0.83	0.82
Color of the leaves (LEAFCOLOR)	0.87	0.71	0.90	0.64	0.74	0.71	0.76	0.76
Type of outer auricle (AURICLEOUT)	0.80	0.92	0.87	0.79	0.83	0.93	0.86	0.82
Relative shape of ligule (LIGSHAPE)	0.86	0.94	0.82	0.85	0.90	0.83	0.87	0.83
Presence or absence of stalk corky cracks (STALKCORKC)	0.44	0.54	0.35	0.55	0.51	0.25	0.44	0.49
Presence or absence of stalk corky patches (STALKCORKP)	0.66	0.00	0.72	0.79	0.59	0.87	0.60	0.69
Presence or absence of stalk growth cracks (STALKCRACK)	0.66	1.00	0.88	0.62	0.88	0.99	0.84	0.80
Color of the exposed rind (RINDCOLE)	0.85	0.96	0.89	0.84	0.86	0.76	0.86	0.85
Presence or absence of bud groove (BUDGROOVE)	0.95	1.00	0.72	1.00	1.00	0.99	0.94	1.00
Means	0.80±0.03	0.81±0.06	0.83±0.04	0.79±0.03	0.80±0.03	0.85±0.05	0.81±0.03	0.80

=average of entire location.