Growth adaptability and foreign gene stability of TaLEA transgenic Populus simonii × nigra

Table 3 Joint analysis of variance of the test lines

Growth traits	Source of variation	DF	SS	MS	F	P
Height (m)	Block in site	12	64.2	5.35	7.07	< 0.001
	Site	2	83.3	41.7	55.0	< 0.001
	Line	10	29.9	2.99	3.95	< 0.001
	Line × Site	20	23.8	1.19	1.57	0.0732
	Error	109	82.5	0.757
	Total	153	284
Diameter at breast height (cm)	Block in site	12	68.8	5.73	3.92	< 0.001
	Site	2	24.1	12.1	8.25	< 0.001
	Line	10	63.1	6.31	4.32	< 0.001
	Line × Site	20	59.2	2.96	2.03	0.0112
	Error	109	159	1.46
	Total	153	374

DF = degrees of freedom, SS = sum of squares, MS = mean square, F = statistic value of the F test (F = MS/MSE), MSE = mean square of error), P value < 0.01 = highly significant difference; 0.01 < P value < 0.05 = significant difference; P value > 0.05 = nonsignificant difference

ISSN: 1297-966X