Genetic Diversity among Sugarcane Genotypes Based on Qualitative Traits

Table 1

Character, descriptor, and codes used for characterization of sugarcane germplasm.

Character	Code	Description
Presence or absence of bud cushion	BUDCUSHION	Present () and absent (2)
Relative degree of bud extension	BUDEXTEND	Below growth ring (), touching (2), and extending above growth ring (3)
Relative bud shape	BUDSHAPE	Tall deltoid (), ovate (3), narrow ovate (4), ovate with broad wing tip (5), ovate with emarginate basal wing (6), rhomboid (7), pentagonal (8), squarish pentagonal (9), round (10), round with central germ pore (11), obovate (12), and rectangular (13)
Canopy structure	CANOPY	Open erect (1), open tip droopy (2), open semidroopy (3), open droopy (4), compact erect (5), compact tip droopy (6), and fan tip droopy (8)
Relative shape of dewlap	DEWLAPSHAP	Deltoid (), squarish (2), squarish deltoid (4), ascending (5), descending (6), flaring (7), tall (8), narrow (9), subcrescent (10), and double crescent (11)
Relative plant erectness	ERECT	Prostrate (), (4–8), and erect (9)
Relative degree of internode alignment	INALIGN	Straight (), slightly zigzag (2), and zigzag (3)
Relative internode shape	INSHAPE	Cylindrical (), conoidal (2), obconoidal (3), tumescent (4), Bobbin-shaped (5), and concave convex (6)
Color of the leaves	LEAFCOLOR	Green (, light green (2), and greenish yellow (7)
Type of outer auricle	AURICLEOUT	Absent (), transitional (2), dentoid (3), deltoid (4), falcate (5), unciform (6), calcariform (7), short lanceolate (8), and long lanceolate (9)
Presence or absence of stalk corky cracks	STALKCORKC	Present () and absent (2)
Presence or absence of stalk corky patches	STALKCORKP	Present () and absent (2)
Relative shape of ligule	LIGSHAPE	Orbicular-crescent ), flat-crescent (2), crescent with broad lozenge (3), crescent with narrow lozenge (4), crescent with lozenge (5), broad-crescent (6), deltoid (7), linear-crescent (8), and inverted crescent (11)
Presence or absence of stalk growth cracks	STALKCRACK	Absent () and present (6)
Presence or absence of bud groove	BUDGROOVE	Absent () and present (4)
Color of the exposed rind	RINDCOLE	Green (), light green (2), dark green (3), yellow (4), light yellow (5), dark yellow (6), light purple (8), brown (10), light brown (11), dark brown (12), yellowish green (13), greenish yellow (14), brownish green (15), brownish yellow (16), and brownish purple (17)