Table 7a. Average survival of different groups of hybrid aspen and poplar in different trials. The statistical significance of differences between the groups is given by Pr > F.
Trial id	Hybrid aspen, Survival, %								Poplar, Survival, %
	Swe_S _Com	Swe_S _New	Swe_N	Finl	Latv	Germ	Mean All	Pr > F	Swe_S _Com	Swe_N	Swe _STT_C	Swe _STT_N	Icel	Be	Ital	EU _Com	Norw	Mean All	Pr > F
Den_A1	90	89				100	93	0.0805	92						63			89	0.0306
Den_F1	93	93				98	94	0.4464	70									70
Den_F2	92	98				98	95	0.0802	89						93			90	0.8662
Swe_A1	91	97		91	95	78	92	0.0335	83					61	31	83		69	<0.0001
Swe_F1	80	86		82	90	75	83	0.0240	13					11	8	6		11	0.4695
Swe_A2	98	98		98	97	79	95	0.0019	47		93	77			3			52	<0.0001
Swe_F2	82	89		77	81	80	82	0.1029	82		83	89			13			76	<0.0001
Swe_A3	79	79		76	77		77	0.8445	70		100	77						76	0.0009
Swe_F3	92	93		94	94		93	0.8986	80		94	83						83	0.0991
Swe_A4	36	43	57	47			50	0.1745
Swe_F4	54	60	75	72			68	0.0024	32	45			39				39	33	0.7818
Swe_A5	41	27	70	80			58	<0.0001	1	16		0	48				67	19	<0.0001
Swe_F5	77	68	82	96			82	<0.0001	12	41		21	63				43	37	0.0002

Table 7b. Average height (cm) of different groups of hybrid aspen and poplar in different trials. The statistical significance of differences between the groups is given by Pr > F.
Trial id	Hybrid aspen, Height, cm								Poplar, Height, cm
	Swe_S _Com	Swe_S _New	Swe_N	Finl	Latv	Germ	Mean All	Pr > F	Swe_S _Com	Swe_N	Swe _STT_C	Swe _STT_N	Icel	Be	Ital	EU _Com	Norw	Mean All	Pr > F
Den_A1	266	289				303	275	0.0188	258						249			258	0.8052
Den_F1	392	397				441	402	0.0242	166									166
Den_F2	274	285				338	291	<0.0001	188						223			192	0.2086
Swe_A1	371	377		276	348	397	351	<0.0001	318					276	295	268		295	0.2582
Swe_F1	276	295		247	290	327	281	0.0008	99					100	93	65		100	0.0173
Swe_A2	545	535		475	545	533	517	0.2989	428		490	417			630			447	0.0351
Swe_F2	291	306		224	251	253	270	<0.0001	178		148	115			73			161	0.0002
Swe_A3	277	289		237	274		270	0.0002	263		266	251						260	0.1953
Swe_F3	245	247		213	242		236	0.0676	235		220	237						233	0.2841
Swe_A4	256	207	214	241			221	0.1496
Swe_F4	221	211	178	193			195	0.1134	32	45			39				39	38	0.3063
Swe_A5	169	133	165	165			161	0.1738	99	112			142				115	128	0.4817
Swe_F5	261	267	249	260			257	0.5048	143	123		61	129				110	122	0.0131