Agriculture and forestry

Tsyhanska Olena – candidate of agricultural sciences, senior lecturer of the department of landscape management, forestry, horticulture and viniculture of Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: lenkatsiganskaya@gmail.com).

Dolinska Olena - student of Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: olenadolnska7@gmail.com).

The article examines the peculiarities of the use of species and decorative forms of the genus Spiraea in the plantations of the "Podillia" botanical garden of the Vinnytsia National Agrarian  University. Namely: Japanese spirea (Spiraea japonica L.), Bumalda's spirea (Spiraea bumalda L.), White spirea (Spiraea alba (Miq.) Zab.), Thunberg's spirea (Spiraea thunbergii Sieb. ex. Blume), Wangut's spirea (Spiraea vanhouttei (Briot) Zab.), medium spirea (Spiraea media L.), birch spirea (Spiraea betulifolia L.). It was established that the species of spirea growing on the territory of the botanical garden "Podillia" of the Vinnytsia National Agrarian University belong to the following sections: Calospira, Glomerati, Chamaedryon, Spiraria. The largest number of plants is the Calospira section, which includes plants of the species Spiraea japonica (Spiraea japonica L.) (12 pcs), Spiraea bumalda (Spiraea bumalda L.) (8 pcs) and White Spiraea (Spiraea alba (Miq.) Zab. ) (4 pcs). As a result of the research, it was established that species of the genus Spirea are highly decorative from the beginning of April to the beginning of November. Although spring-flowering species have a short flowering, but it is very abundant. White, Japanese, and Boumalda spireas have the longest flowering period. Also, studies have shown that, taking into account the decorative qualities of Spireia species, they can be successfully used in the design of landscape or regular style objects in such plant compositions: single or group plantings, mixed borders, curbs and hedges, when creating alleys, undergrowth and the edge of the forest, with greening of the slopes. Based on the results of the observations, landscaping projects were proposed, which demonstrate various ways of using plants of the genus Spirea in combination with other types of plants to create decorative compositions. According to the project decisions, species of the genus Tavolga can be combined with such plants as: Berberis thubergii, Heuchera sanguinea, Euonymus fortune, Coreopsis verticillta, Forsythia Intermedia , Cotoneaster divaricatus, Hydrangea paniculata, Juniperus communis and J. horizontalis.

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7. Prokopchuk V.M., Tsyhanska O.I., Matusiak M.V. (2019). Perspektyva vykorystannia rodu Dahlia Cav. v umovakh Podillia [The prospect of using the genus Dahlia Cav. in the conditions of Podillya]. Silske hospodarstvo i lisivnytstvo − Agriculture and forestry. № 12. 154-162. [In Ukrainian].

8. Prokopchuk V.M., Tsyhanskyi V.I., Tsyhanska O.I. (2016). Otsinka yakisnoho stanu ta obgruntuvannia zakhodiv dohliadu za hazonnym fitotsenozom na terytorii Vinnytskoho natsionalnoho ahrarnoho universytetu. [Assessment of the qualitative condition and substantiation of measures for the care of the lawn phytocenosis on the territory of Vinnytsia National Agrarian University]. Silske hospodarstvo i lisivnytstvo − Agriculture and forestry. №3. 193-200. [In Ukrainian].

9. Prokopchuk V.M., Tsyhanskyi V.I., Tsyhanska O.I. (2017). Udoskonalennia elementiv vehetatyvnoho rozmnozhennia samshytu vichnozelenoho (Buxus sempervirens l.) metodom zhyvtsiuvannia v umovakh zakrytoho gruntu. [Improving the elements of vegetative propagation of evergreen boxwood (Buxus sempervirens l.) by grafting in closed soil]. Silske hospodarstvo i lisivnytstvo − Agriculture and  forestry. №5. Vol. 2. Vinnytsia. [In Ukrainian].

10. Prokopchuk V.M., Tsyhanska O.I., Tsyhanskyi V.I. (2018). Vplyv stymuliatoriv rostu na vkorinennia zhyvtsiv samshytu vichnozelenoho Buxus sempervirens L. v umovakh zakrytoho gruntu [Influence of growth stimulants on rooting of boxwood cuttings of evergreen Buxus sempervirens L. in closed soil conditions]. Naukovyi visnyk NLTU Ukrainy − Scientific Bulletin of NLTU of Ukraine, 28 (7). 56-60. [In Ukrainian].

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12. Tsyhanska O.I. (2021). Vykorystannia khryzantemy dribnokvitkovoi u rozshyrenni zelenykh zon urbanizovanoho seredovyshcha v umovakh klimatychnykh zmin. [Use of small-flowered chrysanthemums in the expansion of green areas of the urban environment in the context of climate change]. Silske hospodarstvo i lisivnytstvo − Agriculture and forestry. № 2 (21). 158-166. [In Ukrainian].

13. Tsyhanska O.I. (2020). Kharakterystyka sortiv rodu dahlia cav., shcho doslidzhuiutsia v umovakh ekspozytsiinoi dilianky VNAU [Characteristics of varieties of the genus dahlia cav., studied in the conditions of the exposition area of VNAU]. Silske hospodarstvo i lisivnytstvo − Agriculture and forestry. № 2 (25). 199-206. [In Ukrainian].

14. Tsyhanska O.I. (2021). Ryzohenez zhyvtsiv lavandy vuzkolystoi (Lavandula angustifolia) ta osoblyvosti rozvytku ukorinenykh roslyn. [Rhizogenesis of narrow-leaved lavender cuttings (Lavandula angustifolia) and features of the development of rooted plants]. Silske hospodarstvo i lisivnytstvo − Agriculture and forestry. № 4 (23). 148-155. [In Ukrainian]

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16. Prokopchuk V., Pantsyreva H., Tsyhanska O. (2020). Biostationary and exposition plot of Vinnytsia national agrarian university as an educational, scientific and manufacturing base in preparation of the landscape gardening specialist. The scientific heritage. Vol. 51. P. 8-17. [In English].