Explants

Callus fresh weight per explant (mg)

Medium (Concentration

of PEG 6000 g/l)

C1

Genotypes

C14

C16

Petals

M1 (0)

66.4 ± 4.8^a

235.8 ± 6.6^a

147.1 ± 5.5^a

M2 (25)

58.4 ± 0.9^a

148.2 ± 13.0^bc

81.0 ± 0.0^c

M3 (50)

38.4 ± 3.9^b

132.9 ± 12.5^cd

71.8 ± 10.7^cd

M4 (75)

32.9 ± 2.0^b

120.2 ± 12.1^cd

61.5 ± 8.9^de

M5 (100)

29.3 ± 5.3^b

109.3 ± 11.1^d

48.2 ± 2.1^e

M6 (125)

29.7 ± 0.4^b

43.2 ± 5.0^ef

23.4 ± 3.6^f

Staminodes

M1 (0)

65.1 ± 10.0^a

172.4 ± 7.8^b

100.8 ± 10.3^b

M2 (25)

8.4 ± 2.2^c

101.0 ± 4.7^d

19.0 ± 0.0^f

M3 (50)

4.6 ± 0.8^c

58.9 ± 13.3^e

15.0 ± 0.0^f

M4 (75)

4.6 ± 0.3^c

22.5 ± 4.1^fg

14.5 ± 0.2^f

M5 (100)

1.8 ± 0.3^c

20.2 ± 2.3^fg

13.9 ± 0.1^f

M6 (125)

1.5 ± 0.2^c

3.7 ± 0.2^g

1.7 ± 0.2^g

p

0.0000

0.0232

0. 0040