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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 |
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