2,4-D

0

0.5

1.0

2.5

5.0

11.8 ± 2.2^d

10.4 ± 3.2^d

13.4 ± 3.7^c

5.6 ± 2.7^de

1.7 ± 0.7^e

16.4 ± 7.4^ab

1.8 ± 0.5^c

2.0 ± 0.7^c

1.4 ± 0.5^c

0.5 ± 0.4^e

77.8 ± 10.1^b

0.0^e

50.0 ± 8.0^c

25.0 ± 7.6^d

17.0 ± 4.0^d

IAA

0.5

1.0

2.5

5.0

21.0 ± 5.0^b

23.1 ± 4.1^b

28.3 ± 8.2^b

21.8 ± 7.6^bc

2.7 ± 0.5^c

3.4 ± 0.6^c

2.9 ± 0.6^c

3.4 ± 0.6^c

50.0 ± 10.4^c

49.5 ± 9.4^c

83 ± 8.7^b

17.0 ± 5.4^d

IBA

0.5

1.0

2.5

5.0

14.3 ± 1.9^c

9.1 ± 1.6^d

10.7 ± 0.3^d

14.8 ± 3.7^bc

27.3 ± 6.1^a

29.4 ± 7.0^a

25.3 ± 6.7^a

15.0 ± 5.6^ab

83.0 ± 5.4^b

100^a

100^a

100^a

NAA

0.5

1.0

2.5

5.0

15.5 ± 4.4^bc

19.4 ± 6.0^bc

16.5 ± 8.4^bc

44.2 ± 13.6^a

6.7 ± 2.6^b

6.1 ± 3.0^b

6.4 ± 4.2^bc

1.3 ± 0.4^d

100^a

50.0 ± 7.3^c

66.0 ± 5.8^bc

77.3 ± 9.3^b