TTH | Indicators | Species | Differences from Scots pine | ||
---|---|---|---|---|---|
Scots pine ‘control’ | Jack pine | % | t | ||
3 | Composition of plantation – 10Sp + Jp. Block 83, plot 10. Age – 32 years | ||||
Height [m] | 8.8 ± 0.11 | 5.7 ± 0.10 | −35.2 | 20.8 | |
Diameter [cm] | 22.3 ± 0.98 | 16.5 ± 0.91 | −26.0 | 4.3 | |
Square of crown projection [m2] | 17.2 ± 0.27 | 11.7 ± 0.72 | −32.0 | 7.2 | |
Current increment in height [cm] | 27.2 | 17.5 | −35.7 | – | |
Class of productivity | III | IV | – | – | |
4 | Compositions of plantation – 7Sp3Jp. Block 83, plot 3. Age – 33 years | ||||
Heigh [m] | 16.5 ± 0.06 | 12.8 ± 0.10 | −22.4 | 31.7 | |
Diameter [cm] | 17.0 ± 0.36 | 11.5 ± 0.30 | −32.4 | 11.7 | |
Current increment in height [cm] | 50 | 39 | −22.0 | – | |
Density | 0.64 | 0.27 | −57.9 | – | |
Stock of trunk wood [m3/ha] | 211 | 73 | −65.0 | – | |
Class of productivity | Ia | – | – |
TTP | Indicators | Species | Differences from Scots pine | ||
---|---|---|---|---|---|
Scots pine ‘control’ | Jack pine | % | t | ||
Rovzhiv forestry | Composition of plantation – 10Sp + Jp. Block 106, plot 4. Age – 22 years | ||||
Height [m] | 9.2 ± 0.41 | 7.3 ± 0.39 | −20.3 | 3.4 | |
Diameter [cm] | 14.2 ± 0.69 | 11.5 ± 0.85 | −19.0 | 2.5 | |
Square of crown projection [m2] | 7.99 ± 0.30 | 5.80 ± 0.36 | −27.4 | 4.7 | |
Current increment in height [cm] | 41.3 | 33.2 | −19.6 | – | |
Class of productivity | I | II | – | – | |
Pirnovo forestry | Composition of plantation – 10Sp + Jp. Block 119, plot 4. Age – 26 years | ||||
Height [m] | 4.8 ± 0.06 | 4.7 ± 0.17 | −2.1 | 0.7 | |
Diameter [cm] | 5.3 ± 0.16 | 6.0 ± 0.71 | 13.2 | 1.0 | |
Current increment in height [cm] | 18.5 | 18.1 | −2.2 | – | |
Class of productivity | IV | IV | – | – |
Indicators | Species | Differences from Scots pine | ||
---|---|---|---|---|
Scots pine ‘control’ | Jack pine | % | t | |
Length [cm] | 4.2 ± 0.60 | 4.8 ± 0.06 | 14.3 | 1.0 |
Diameter [cm] | 2.2 ± 0.15 | 1.6 ± 0.01 | −27.3 | 4.0 |
Mass of one cone [g] | 6.0 ± 0.19 | 6.3 ± 0.06 | 5.0 | 1.5 |
Number of seeds in the cone [pc.] | 24 ± 0.85 | 72 ± 3.03 | 200.0 | 15.2 |
Seed yield from cone [%] | 2.6 ± 0.11 | 3.7 ± 0.12 | 42.3 | 6.8 |
Indicators | Species | Differences from Scots pine | ||||
---|---|---|---|---|---|---|
Scots pine ‘control’ | Jack pine | % | t | |||
Length [mm] | 4.2 ± 0.14 | 3.7 ± 0.10 | −11.9 | 2.9 | ||
Diameter [mm] | 2.7 ± 0.07 | 2.0 ± 0.03 | −25.9 | 9.2 | ||
Mass of 1000 seeds [g] | 6.4 ± 0.23 | 3.2 ± 0.08 | −50.0 | 31.1 | ||
Germination energy for day 7 [%] | technical | 56 ± 2.1 | 66 ± 0.09 | 17.8 | 4.4 | |
absolute | 85 ± 1.8 | 88 ± 0.8 | 3.5 | 1.5 | ||
Germination | technical in day [%] | 3 | 27 ± 1.5 | 51 ± 0.9 | 88.9 | 13.7 |
5 | 48 ± 2.5 | 63 ± 0.4 | 13.1 | 5.9 | ||
7 | 56 ± 2.1 | 66 ± 0.9 | 17.8 | 4.4 | ||
10 | 60 ± 1.8 | 70 ± 0.8 | 16.7 | 5.1 | ||
14 | 62 ± 1.9 | 72 ± 0.8 | 16.1 | 4.8 | ||
absolute in day | 3 | 41 ± 1.6 | 68 ± 1.3 | 65.9 | 13.1 | |
5 | 73 ± 2.3 | 84 ± 0.8 | 15.1 | 4.5 | ||
7 | 85 ± 1.8 | 88 ± 0.8 | 3.5 | 1.5 | ||
10 | 91 ± 1.1 | 94 ± 0.6 | 3.3 | 2.4 | ||
14 | 94 ± 1.0 | 96 ± 1.0 | 2.1 | 1.4 | ||
Among the ingeminated | empty | 35 ± 1.2 | 24 ± 0.6 | −31.4 | 8.2 | |
healthy | 3 ± 0.4 | 3 ± 0.8 | 0 | – |