Table 8.
Information about the studied cultivars of L. angustifolia and L. x intermedia.
| No | Cultivar Name | Sample ID | Characteristic | Vegetation Phase of Plant | Date of Oil Production | Oil Yield [%] |
|---|---|---|---|---|---|---|
| L. angustifolia | ||||||
| LA1 | Record | 14/460 | The cultivar was created in the Nikitsky Botanical Garden. Plants are large: 55–60 cm tall and 60–65 cm in diameter. The shape of shrubs is semi-spreading. Peduncles are straight, thin, elastic, green, and 20–22 cm long. Inflorescences are cylindrical with 6–7 rings that are 7-8 cm long. Corollas are purple, and calyxes are purple–green. The mass fraction of essential oil varies from 1.2% to 1.5% depending on the weather conditions of the year. | Total flowering | 06 July 2020 | 1.25 |
| LA2 | Sineva Nadii | 15/452 | Shrubs of a medium size, with a compact shape, 60 cm height, and 80 cm in diameter. Flowering shoots are straight and green. Their thickness is average. Inflorescences are elongated and 12–14 cm long. Calyxes are purple. Corollas are deep purple and moderately pubescent. Inflorescences have diameters of 2 cm. The number of rings is 10–11. The leaves are narrow gray–green, 5.0–5.5 cm long, and 0.4–0.5 cm wide. The mass fraction of essential oil ranges from 0.95% to 1.3% of the fresh mass. It is included in the Register of Cultivars of Ukraine and the base of the data of the genofund information system of plants in the National Center of Genetic Resources of Plants of Ukraine. | Total flowering | 24 June 2020 | 0.50 |
| 15/473 | The end of total flowering | 10 July 2020 | 0.96 | |||
| LA3 | № 463-20 | 17/463 | Shrubs are large, semi-spreading, 80 cm tall, and 90 cm in diameter. Flowering shoots are straight, green, and 30 cm long. Their thickness is average. Inflorescences are 6 cm long. Calyxes are green. Corollas are blue. The diameter of inflorescence is 2 cm. The number of rings is 7. Leaves are narrow gray–green, 5.0–5.5 cm long, and 0.5–0.7 cm wide. The mass fraction of essential oil varies from 1.0% to 1.25% of the fresh mass. | Total flowering | 07 July 2020 | 1.25 |
| LA4 | Zmijuchka | 18/464 | Bushes have a spherical shape, feature spreading, and differ from other plants in their extremely thin and wavy peduncles. The height and diameter of bushes are 55–60 and 80–90 cm, respectively. Leaves are 3.0–3.5 cm long, 0.4–0.5 cm wide, and green with a gray tinge. Inflorescences are light blue, 6.0–7.0 cm long, and 1.5–1.8 cm in diameter. The essential oil content is about 1.3% of the fresh mass. | Total flowering | 08 July 2020 | 1.10 |
| LA5 | № 1-469 | 19/469 | Shrubs are 60–65 cm tall and 60–70 cm in diameter. Flowering shoots are straight, green, and 20–25 cm long. Their thickness is average. Inflorescences are 6 cm long. The number of rings is 6–7. The calyx is purple–green. The corolla is purple. The mass fraction of essential oil varies from 0.7% to 0.9% of the fresh mass. | Total flowering | 09 July 2020 | 0.70 |
| LA6 | № 1-2-20 | 20/471 | Shrubs are of medium size and compact shape. Their height is 50–60 cm and 70–80 cm in diameter. Flowering shoots are straight, green, and 20–25 cm in length. Their thickness is medium. Inflorescences are cylindrical. Their length is 5–6 cm. The corolla is purple, and the calyx is purple–green. The mass fraction of essential oil ranges from 0.5% to 0.7% of the fresh mass. | Total flowering | 09 July 2020 | 0.60 |
| LA7 | Pink flamingo | 21/458 | Bushes are 65 cm high and 105 cm in diameter. Leaves are 5.7–6.0 cm long and 0.6–0.7 cm wide. Inflorescences are 6.0–6.5 cm long and 2.0 cm in diameter. Corollas are pink. The content of essential oil is 0.7–0.8% of the fresh mass; it is included in the base of the data of the genofund information system of plants in the National Center of Genetic Resources of Plants of Ukraine. This cultivar can be used for landscaping. It differs from Lavandula angustifolia Rosea in terms of the habit of bushes. | Total flowering | 03 July 2020 | 0.70 |
| L. x intermedia | ||||||
| LI1 | Etjod | 1/130 | Shrubs are large, compact in shape, 100 cm high, and 90–100 cm wide. Inflorescences are cylindrical, dense, and 9–11 cm long with 7 rings. Corollas are blue and moderately pubescent. The average ring has from 10 to 25 flowers (16 flowers on average). Leaves are linear gray–green, slightly pubescent, 4.5–6.0 cm long, and 0.6–0.7 cm wide. The weight of 100 inflorescences is 45 g. This cultivar is characterized by a high mass fraction of essential oil (2.0% of the fresh mass). | Total flowering | 13 July 2016 | 2.00 |
| LI2 | № 15 (Riabotiagov’s hybrid) |
2/136 | Shrubs are of large size, semi-spreading shape, 100 cm high, and 110–120 cm in diameter. Elongated cylindrical inflorescences are dense and 10–11 cm long, with 7–8 rings. Corollas are blue. The length of peduncles is 60–65 cm. Leaves are linear gray–green, slightly pubescent, 6.0–6.5 cm long, and 0.7–0.8 cm wide. There are 115-140 flowers in an inflorescence. The fraction of essential oil is about 1.2% of the fresh mass. This cultivar is decorative. | Total flowering | 13 July 2016 | 1.20 |
| LI3 | Rabat | 3/226 | Bushes are large and compact: 85–100 cm high and 90–105 cm wide. Inflorescences are dense and 9–11 cm long, with 8–9 rings. Corollas are blue. Leaves are linear gray–green, sparsely pubescent, 5.5–6.0 cm long, and 0.6 cm wide. The weight of 100 inflorescences is 48 g. The mass fraction of essential oil is 1.2% of the fresh mass. This cultivar is hardy. | Total flowering | 20 July 2017 | 1.20 |
| 3/322 | Total flowering | 02 July 2018 | 1.20 | |||
| LI4 | № 1-9-16 | 4/465 | Shrubs are large with a semi-spreading shape, 80–100 cm tall, and 90–120 cm in diameter. Inflorescences are cylindrical, dense, 8–10 cm long, and 2.0 cm in diameter, with 6–7 rings. The average number of flowers in a ring is 13. Corollas are blue. Leaves are linear gray–green, slightly pubescent, 4.5–5.5 cm long, and 0.5–0.6 cm wide. The mass fraction of essential oil is 1.2% of the fresh mass. This cultivar is hardy. | Total flowering | 08 July 2020 | 1.20 |
| LI5 | № 2-470 | 5/470 | Shrubs are of large size with a semi-spreading shape, a height 90–100 cm, and diameter of 100–120 cm. Inflorescences are cylindrical, dense, and 9–10 cm long. Corollas are blue and moderately pubescent. Leaves are linear gray–green, sparsely pubescent, 5.0–6.0 cm long, and 0.7–0.8 cm wide. The mass fraction of essential oil is 1.2% of the fresh mass. This cultivar is resistant to pests and diseases. | Total flowering | 09 July 2020 | 1.20 |
| LI6 | Antej | 6/472 | Shrubs are of large size with a semi-spreading shape, 100 cm high, and 120 cm in diameter. Inflorescences are elongated, cylindrical, dense, large, 11–14 cm long, and 2.5–2.6 cm in diameter, with 7–8 rings. The average ring has from 21 to 27 flowers (average of 24). Corollas are blue. The peduncles are thick and massive. Peduncles are 65–68 cm long. Leaves are linear gray–green, slightly pubescent, 6.5–7.0 cm long, and 0.7–0.8 cm wide. There are 120–170 flowers in inflorescences. The mass fraction of essential oil is 1.7% of the fresh mass. This is an essential oil-bearing cultivar promising for the use of cut flowers. This cultivar is included in the base of the data of the genofund information system of plants in the National Center of Genetic Resources of Plants of Ukraine. | Total flowering | 10 July 2020 | 1.70 |
| LI7 | № 1-2-2 (Brovko’s) |
7/476 | Shrubs are of large size with a semi-spreading shape, 100 cm high, and 110–120 cm in diameter. Inflorescences are cylindrical or spindle-shaped, dense, 9–10 cm long, and 2.2–2.5 in diameter, with 9 rings. The average ring has from 17 to 23 flowers (average 20). Corollas are blue. Peduncles are thick and massive with a length of 65–70 cm. Leaves are linear gray–green, slightly pubescent, 6.0–6.5 cm long, and 0.6–0.7 cm wide. There are 140–150 flowers in inflorescence. The mass fraction of essential oil is 1.4% of the fresh mass. This cultivar is decorative. | Total flowering | 13 July 2020 | 1.40 |
| LI8 | № 1-462 | 16/462 | Shrubs are of large size with a semi-spreading shape, 80–100 cm high, and 100–110 cm in diameter. Inflorescences are cylindrical, dense, 9–10 cm long, and 2.0 cm in diameter. Corollas are blue and moderately pubescent. Leaves are linear gray–green, slightly pubescent, 5.5–6.0 cm long, and 0.7 cm wide. The mass fraction of essential oil is 0.9% of the fresh mass. This cultivar is hardy. | Total flowering | 07 July 2020 | 0.90 |