Abstract

The purpose of the work was to study the adaptive properties and features of growth, development and formation of soil-protective phytocenoses of common lavender and medicinal hyssop in the conditions of the anthropogenically transformed ecosystem of the Southern Steppe of Ukraine. A high survival rate of essential oil plants was established – 89.7–92.5% and winter resistance 81.5–98.1%. During three years of vegetation, lavender plants formed bushes with a diameter of 62.4-89.6 cm. The highest yield of lavender plants was formed in the third year of vegetation, 5.29-5.84 t/ha at standard humidity. The highest yield of flower raw material of hyssop was formed in the third year of cultivation – 10.94–12.43 t/ha. The highest indicators of projective coverage of plants were formed in the third year of cultivation: in hyssop - 75.2-83.7%, in narrowleaved lavender - 62.5-58.4%, which allows the use of these essential oil plants for reclamation of anthropogenically transformed territories.

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