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Prospects of cultivation of Jack pine (Pinus banksiana Lamb.) on sandy soils of natural–technogenic origin in Kyiv Polissia

Fedir Brovko
Fedir Brovko
, 
Vasyl Yukhnovskyi
Vasyl Yukhnovskyi
, 
Dmytro Brovko
Dmytro Brovko
, 
Olha Brovko
Olha Brovko
, 
Victoria Minder
Victoria Minder
 e 
Yurii Urliuk
Yurii Urliuk
   | 27 mag 2022
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Article Category: Original Article
Pubblicato online: 27 mag 2022
Pagine: 90 - 99
Ricevuto: 16 gen 2022
Accettato: 08 feb 2022
DOI: https://doi.org/10.2478/ffp-2022-0009
Parole chiave
© 2022 Fedir Brovko et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Jack pine self-seeding, which appeared on the sands after the fire. Rovzhiv Forestry: block 88, plot 7. Age – 8 years.
Jack pine self-seeding, which appeared on the sands after the fire. Rovzhiv Forestry: block 88, plot 7. Age – 8 years.

Figure 2

Population of a metre–thick layer of displaced sands with pine roots in a 33-year–old stand with a composition of 7Sp3Jp: A – in the Scots pine rows; B – between the Scots pine and Jack pine rows and C – in the Jack pine row
Population of a metre–thick layer of displaced sands with pine roots in a 33-year–old stand with a composition of 7Sp3Jp: A – in the Scots pine rows; B – between the Scots pine and Jack pine rows and C – in the Jack pine row

Figure 3

Cones and seeds collected in a 29-year-old pine plantation growing on displaced sands: (a) cones: (1, 2) – Scots pine, with varying degrees of severity of the apophysis surface, (3, 4) – Jack pine, with a smooth apophysis shape – before heat treatment (3) and after 15 min of heating in a thermostat at a temperature of 90°C (4); (b) seed with lionfish: (5) – Scots pine, (6) – Jack pine; (c) general type of seeds: (7) – Scots pine, (8) – Jack pine
Cones and seeds collected in a 29-year-old pine plantation growing on displaced sands: (a) cones: (1, 2) – Scots pine, with varying degrees of severity of the apophysis surface, (3, 4) – Jack pine, with a smooth apophysis shape – before heat treatment (3) and after 15 min of heating in a thermostat at a temperature of 90°C (4); (b) seed with lionfish: (5) – Scots pine, (6) – Jack pine; (c) general type of seeds: (7) – Scots pine, (8) – Jack pine

Biometric indicators of pine plantations grown on displaced sands

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 – –

Comparative analyses of biometric indicators of pine plantations growing on alluvial sands

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 – –

Biometric indicators of Scots pine and Jack pine cones collected in a 29-year-old plantation growing on displaced sands

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

Quality indicators of Scots pine and Jack pine seeds harvested in 29-year-old plantation growing on displaced sands

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 –
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