Table 2.

Microshoot growth parameter measurements taken after 2 months of incubation and their statistical analysis data.

Averages ± SD of:	Shoot Length, mm	Shoot Number	Largest Leaf Width, mm	Number of Adventitious Roots	Number of Lateral Roots	Sum Length of Adventitious Roots, mm	Longest Adventitious Root, mm	Fresh Aboveground Biomass, g	Fresh Root Biomass, g	Dry Aboveground Biomass, g	Dry Root Biomass, g	Lateral Root Density, Number/mm
Uninoculated P. tremula	43.3 ± 9.2	1.2 ± 0.5	9.6 ± 2.4	3.6 ± 1.4	26.0 ± 12.7	50.9 ± 18.1	25.1 ± 10.9	0.065 ± 0.024	0.024 ± 0.015	0.013 ± 0.005	0.003 ± 0.001	0.51 ± 0.21
Inoculated P. tremula	43.5 ± 6.2	1 ± 0.0	11.3 ± 1.4	4 ± 1.1	37.7 ± 9.7 (↑44.7%)	47.6 ± 16.4	18.9 ± 7.7	0.075 ± 0.012	0.049 ± 0.021 (↑101.9%)	0.015 ± 0.002	0.004 ± 0.002 (↑63.6%)	0.85 ± 0.27 (↑66%)
Student’s t-test	NS	NS	**	NS	**	NS	*	NS	****	*	***	****
ANOVA	NS	NS	NS	NS	F (11.3), **	NS	NS	NS	F (19.4), ****	NS	F (15.4), ***	F (20.1), ****
Uninoculated P. tremula × P. alba	48.2 ± 14.2	1.0 ± 0.2	9.8 ± 2.3	1.6 ± 0.6	10.8 ± 13.0	34.9 ± 20.6	26 ± 14.9	0.157 ± 0.05	0.018 ± 0.021	0.028 ± 0.009	0.002 ± 0.002	0.23 ± 0.23
Inoculated P. tremula × P. alba	39.1 ± 12.1	1.0 ± 0.2	11.3 ± 2.8	2.7 ± 1.4 (↑65%)	33.7 ± 16.0 (↑213.7%)	70.5 ± 32.1 (↑102%)	46.7 ± 20.7 (↑79.5%)	0.118 ± 0.029 (↓25%)	0.053 ± 0.043 (↑197.1%)	0.022 ± 0.007	0.006 ± 0.004 (↑144.8%)	0.52 ± 0.26 (↑125.6%)
Student’s t-test	NS	NS	NS	***	****	***	***	**	**	*	***	***
ANOVA	NS	NS	NS	F(11.7), **	F(27.4), ****	F(19.5), ****	F(14.7), ***	F(9.9), **	F(12.2), **	NS	F(17.1), ***	F(15.0), ***

NS-nonsignificant. p > 0.05, *—p ≤ 0.05, **—p ≤ 0.01, ***—p ≤ 0.001, ****—p ≤ 0.0001.