Table 2 Results of analysis of variance for tree heights in 22 populations of spruce at four trial sites, along with the percentage of the variation explained (Q(G) is a quadratic form associated with genotype fixed effect; F statistics are calculated according to Hocking’s approach)
From: Adaptation of Norway spruce populations in Europe: a case study from northern Poland§
Source of variation | df | Mean square | Expected mean square | Error term | F | P | % (G + E + GE) |
|---|---|---|---|---|---|---|---|
Genotype (G) | 21 | 248.34 | Var(ERROR) + 3.69 Var(GE) + Q(G) | 0.989*MS(GE) + 0.011*MS(ERROR) | 0.81 | 0.700 | 0 |
Site (E) | 3 | 16,825 | Var(ERROR) + 3.73Var(GE) + 22Var(Block (Site)) + 82.13Var(E) | MS(Block (Site)) + MS(GE) − MS(ERROR) | 6.9 | 0.006 | 72 |
Block (site) | 11 | 2339.99 | Var(ERROR) + 22Var(Block (Site)) | MS(ERROR) | 11.12 | <0.001 | – |
Genotype × site (GE) | 63 | 309.44 | Var(ERROR) + 3.73Var(GE) | MS(ERROR) | 1.47 | 0.020 | 28 |
Experimental error (ERROR) | 231 | 210.49 | Var(ERROR) |