EJBiotechnology logo
Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2010 by Universidad Católica de Valparaíso -- Chile
Vol. 13 No. 1, Issue of January 15, 2010
 


Table 1. Number of shoots induced in T. pavonia in response to plant growth regulators and medium. Values were obtained 8 weeks after culture initiation and represent the means ± standard deviations.


PGR:
2,4-D : BAP (µM)

MS

N6

 

 0.0 : 0.0

0.6 ± 0.4 ef

1.6 ± 0.4 cde

 

 4.5 : 0.0

2.6 ± 0.4 bc

2.6 ± 0.4 bc

 

 9.0 : 0.0

2.6 ± 0.4 bc

2.3 ± 0.9 bcd

  

 13.5: 0.0

2.6 ± 0.4 bc

0.0 f

 

 0.0 : 2.2

0.6 ± 0.4 ef

1.3 ± 0.4 de

 

 4.5 : 2.2

3.0 ± 0.0 ab

4.0 ± 0.8 a

 

 9.0 : 2.2

1.6 ± 0.4 cde

3.0 ± 0.0 ab

 

 13.5: 2.2

0.6 ± 0.4 ef

1.6 ± 0.4 cde

 

 Source of variation 

Df

Mean square

F

 Media culture (A)

1

0.52

1.25ns

 2,4-D (B)

3

10.40

24.98***

 BAP (C)

1

0.02

0.05ns

 AxB

3

1.46

3.52ns

 AxC

1

7.52

18.05***

 BxC

3

0.85

2.05ns

 AxBxC

3

1.79

4.32ns

 Error

32

 

 

 Total

47

 

 

PGR = Plant growth regulators; 2,4-D = 2,4-dichlorophenoxiacetic acid; BAP = 6-benzilaminopurine. Values followed by different letters are significantly different (LSD, 0.05). ***P = ≤ 0.001, ns = non significant.


Supported by UNESCO / MIRCEN network