Growth

regulators (µM)

% of explants without reaction

% of callogenous explants

Comments on calluses development

BAP

2

54.5bc

0a

4

38.2b

0a

4.5

13.9a

0a

7

42.9b

0a

Kinetin

2

72.7d

0a

4

64.7c

0a

4.5

63.6c

0a

7

76.5d

0a

Zeatin

2

0a

74.2d

White callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

4

0a

67.7cd

White callus, compact, hard and poorly

developed (0.3 - 0.4 cm)

4.5

0a

41.2b

White callus, compact, hard and poorly

developed (0.2 - 0.4 cm)

7

8.3a

54.2c

White callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

Adenine

2

0a

80.0d

Green callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

4

4.4a

78.9d

Green callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

4.5

12.8a

71.6cd

Green callus, compact, hard and poorly

developed (0.3 - 0.4 cm)

7

19.8ab

65.7cd

Green callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

DPU

2

90.0e

0a

4

93.3e

0a

4.5

93.3e

0a

7

96.6e

0a

TDZ

2

10.0a

63.3cd

Green callus, compact, hard and poorly

developed (0.3 - 0.4 cm)

4

17.3ab

66.0cd

Green callus, compact, hard and poorly

developed (0.2 - 0.3 cm)

4.5

16.9ab

73.1d

Green callus, compact, hard and poorly

developed (0.3 - 0.4 cm)

7

0.9a

91.4e

Green callus, compact, hard and poorly

developed (0.2 - 0.4 cm)