Figure 1.
Scheme of the experiment in a block system. In each variant of the experiment, 10 trees were tested. Tc, linden; Ap, sycamore maple; App, Norway maple; Fs, beech; Ps, black cherry; K, control; MW, bait mixture; NaCl, 10% aqueous solution of common salt.
Table 1.
Statistical characteristics of diameter [mm] and high [cm] of experimental trees ( – mean, Me – median, Min – minimum, Max – maximum, MS – variance, SD – standard deviation, V – coefficient of variation. Homogeneous groups determined by Tukey’s test α = 0.05)
| Variant | Me | Min | Max | SD | V | Homogeneous groups | |
|---|---|---|---|---|---|---|---|
| Diameter [mm] | |||||||
| Linden | 9.64 | 9.88 | 4.90 | 13.79 | 2.08 | 21.62 | C |
| Norway maple | 7.96 | 7.77 | 4.22 | 11.77 | 1.51 | 19.03 | AB |
| Sycamore maples | 6.92 | 6.75 | 4.11 | 10.67 | 1.56 | 22.55 | A |
| Beech | 8.41 | 8.21 | 5.05 | 13.82 | 1.84 | 21.93 | BC |
| Black cherry | 7.68 | 7.26 | 4.25 | 12.71 | 2.09 | 27.25 | AB |
| High [cm] | |||||||
| Linden | 34.30 | 37.90 | 11.30 | 75.00 | 13.16 | 38.38 | A |
| Norway maple | 28.89 | 29.00 | 13.10 | 50.00 | 9.95 | 34.44 | A |
| Sycamore maples | 33.93 | 33.60 | 14.80 | 65.00 | 11.99 | 35.33 | A |
| Beech | 34.43 | 34.95 | 17.30 | 49.80 | 7.70 | 22.36 | A |
| Black cherry | 56.88 | 56.55 | 30.20 | 91.20 | 14.29 | 25.12 | B |
Figure 2.
Percentage share of the browsed trees of given tree species for individual variants of the experiment. Tc, linden; Ap, sycamore maple; App, Norway maple; Fs, beech; Ps, black cherry; K, control; MW, bait mixture; NaCl, 10% aqueous solution of common salt; 0, no bites
Figure 3.
The relationship between the bitten and unbitten seedlings of individual tree species in each of the experimental variants ( Tc - linden; Ap - sycamore maple; App - Norway maple; Fs - beech; Ps - black cherry; K - control; MW - bait mixture; NaCl - 10% aqueous solution of common salt; 0 - no bites)