Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2005 by Universidad Católica de Valparaíso -- Chile
Vol. 8 No. 1, Issue of April 15, 2005
 


Table 1. Analysis of the variance of stem elongation of latitudinal ecotypes of B. pendula showing the main effects of ecotype, irradiance, light quality, and the interactions between them.

Source of variation

DF

Sum of squares

Mean square

F-Value

P-Value

Ecotype

2

3601.6

1800.8

3.032

0.0670

Irradiance

3

78242.6

26080.9

43.913

<0.0001

Light Quality

1

18177.0

18177.0

30.605

<0.0001

Ecotype - Irradiance

6

2352.170

392.028

0.660

0.6622

Ecotype - Light Quality

2

1340.6

670.293

1.129

0.3401

Irradiance - Light Quality

3

5251.633

1750.544

2.947

0.0532

Ecotype - Irradiance - Light Quality

6

731.854

121.976

0.205

0.9717

Residual

24

14254.008

593.917


Supported by UNESCO / MIRCEN network