Growth

regulators (µM)

% of explants without reaction

% of callogenous explants

Comments on calluses development

Blank

0

13.9a

0a

NAA

0.5

0a

40.0b

White callus, compact, hard and undeveloped (0.2 - 0.4 cm; 0.14 g)

2.5

3.3a

60.0c

White callus, compact, friable and moderately developed (0.7 - 0.8 cm; 0.16 g)

5

0a

86.7e

White callus, compact, friable and well

developed (0.9 - 1.0 cm; 0.19 g)

7

0a

93.3e

White callus, compact, friable and well

developed (0.9 - 1.1 cm; 0.34 g)

IBA

0.5

0a

46.7b

White callus, compact, hard and undeveloped (0.2 - 0.3 cm; 0.12 g)

2.5

23.3ab

46.7b

White callus, compact, hard and undeveloped (0.2 - 0.4 cm; 0.14 g)

5

11.0a

77.9d

White callus, compact, friable and moderately developed (0.5 - 0.6 cm; 0.16 g)

7

19.5ab

69.4cd

White callus, compact, friable and moderately developed (0.4 - 0.6 cm; 0.18 g)

IAA

0.5

1.2a

65.5c

White callus, compact, friable and moderately developed (0.4 - 0.6 cm; 0.15 g)

2,5

10.0a

66.7c

White callus, compact, friable and moderately developed (0.5 - 0.7 cm; 0.17 g)

5

11.7a

65.0c

White callus, compact, friable and moderately developed (0.5 - 0.7 cm; 0.18 g)

7

28.0ab

61.7c

White callus, compact, friable and moderately developed (0.5 - 0.6 cm; 0.16 g)

GA3

0.29

38.7b

0a

1.44

46.7bc

0a

2.89

53.3c

0a