Table 4.

Trial 1, 1999. The influence of different sugars and concentrations applied as a root drench on growth and mortality of transplanted birch (Betula pendula Roth.).

Sugar	Root growth potential		Root length (cm)		Root dry weight (g)		Girth (mm)		Shoot dry weight (g)		Leaf dry weight (g)		Mortality (%)
Sugar	Week 6	Week 24	Week 6	Week 24	Week 6	Week 24	Week 6	Week 24	Week 6	Week 24	Week 6	Week 24	Mortality (%)
Control	11.0	10.4	7.8	10.9	4.5	9.9	6.2	11.3	4.2	15.1	3.9	12.9	15
Sucrose
25 g/L	13.4^*	12.6^ns	8.1^ns	14.3^*	4.7^ns	11.2^ns	6.1^ns	12.7^ns	4.4ns	16.6ns	4.2ns	15.8^*	0
50 g/L	16.2^*	15.5^*	8.6^ns	14.9^*	5.8^*	13.8^*	6.3^ns	13.6^*	4.3^ns	18.9^*	3.8^ns	18.3^*	0
70 g/L	17.4^*	18.4^*	8.2^ns	15.5^*	6.4^*	15.2^*	6.2^ns	14.0^*	4.6^ns	19.7^*	4.0^ns	20.7^*	0
Fructose
25 g/L	14.1^*	13.1^ns	7.9^ns	13.6^*	5.1^*	12.3^ns	5.9^ns	12.6^ns	3.9^ns	16.7^ns	3.6^ns	15.6^ns	0
50 g/L	15.7^*	16.1^*	8.0^ns	14.0^*	5.2^*	13.0^*	6.0^ns	13.7^*	4.0^ns	18.4^*	3.7^ns	17.4^*	0
70 g/L	15.4^*	15.3^*	8.0^ns	14.5^*	5.7^*	13.9^*	6.3^ns	13.8^*	4.2^ns	19.4^*	4.1^ns	18.4^*	0
Glucose
25 g/L	14.5^*	14.8^*	7.7^ns	12.2^ns	4.9^ns	14.2^*	6.3^ns	11.4^ns	4.3^ns	16.3^ns	3.9^ns	14.9^ns	5
50 g/L	13.0^ns	15.6^*	8.6^ns	13.3^ns	5.2^*	13.8^*	6.2^ns	13.4^*	4.1^ns	18.5^*	4.0^ns	18.3^*	0
70 g/L	15.6^*	13.2^ns	7.5^ns	14.9^*	5.2^*	14.0^*	6.2^ns	13.7^*	4.8^ns	18.7^*	3.5^ns	18.1^*	0
Maltose
25 g/L	11.2^ns	13.3^ns	8.1^ns	13.3^ns	4.9^ns	13.5^*	5.9^ns	11.7^ns	4.4^ns	15.7^ns	4.1^ns	16.0^*	5
50 g/L	15.7^*	14.7^*	8.0^ns	14.3^*	5.1^*	13.6^*	6.0^ns	12.4^ns	4.4^ns	17.1^ns	4.4^ns	16.4^*	0
70 g/L	16.4^*	17.6^*	7.9^ns	14.3^*	4.9^ns	13.5^*	6.4^ns	13.5^*	4.6^ns	16.8^ns	3.9^ns	15.9^*	0
LSD	2.27	3.32	1.19	2.61	0.58	3.01	1.98	1.91	0.81	3.17	0.83	2.71	—

All growth measurements are mean of five trees.
LSD = least significant difference; ns = not significant;
↵* = P ≤ 0.05 (control versus sugar treatment mean within a column).