Abstract
In recent decades floral devices in a natural style has been becoming more common in gardening. In this connection there was a need for the introduction and study of the natural flora of plants in order to attract them to simulate the decorative and resistant plants. The article presents the results of studies of the effect of different light conditions on the habitat features and decorative biomorphological Hylotelephium triphyllum (Haw.) Holub (Crassulaceae DC.) when introduced in SE Donetsk Botanical Garden. This species is found naturally in the flora of Donbass, a decorative, but, according to the results of our analysis, is rarely used in green construction. Bioecological certification of this type has been done. It has been determined that the impact of site lighting conditions on the growth and development of H. triphyllum expressed in significantly smaller numbers of vegetative and generative shoots in the shaded areas. However, since the diameter of the plants does not change, more thickened planting in these areas is not recommended. The author found the dependence of the variation of the biometric data on the lighting conditions. In the study of seasonal dynamics of H. triphyllum the author revealed that the development of above-ground organs of his passes with a positive amount of average daily air temperatures. The growing season lasts an average of 225 days. Start of spring regrowth is observed in the second half of March early April, flowering in August September, fruits in September October. Vegetation stops when temperature goes below zero. Illumination of this type of habitat affect the time of vegetation beginning, budding, flowering, fruit set and fruit-bearing. On the shaded areas due to the later start of budding and flowering the most decorative period of H. triphyllum is shorter by an average of 10 days. This type is recommended for creation of group planting, stony hills, dry streams, rock gardens, rockeries, mixborders, curbs, ornamental compositions in the coastal zone of ornamental ponds and fountains in the steppe zone in areas with different light conditions, taking into account the above factors.
Highlights
Since the diameter of the plants does not change, more thickened planting in these areas is not recommended
This type is recommended for creation of group planting, stony hills, dry streams, rock gardens, rockeries, mixborders, curbs, ornamental compositions in the coastal zone of ornamental ponds and fountains in the steppe zone in areas with different light conditions, taking into account the above factors
При учете вышеперечисленных факторов H. triphyllum можно рекомендовать для создания групповых посадок, каменистых горок, сухих ручьёв, альпинариев, рокариев, миксбордеров, бордюров, цветочно-декоративных композиций в прибрежной зоне декоративных водоёмов и фонтанов в условиях степной зоны
Summary
В статье представлены результаты исследования влияния разной освещённости местопроизрастания на биоморфологические особенности и декоративность Hylotelephium triphyllum (Haw.) Holub (Crassulaceae DC.) при его интродукции в ГУ «Донецкий ботанический сад». Определено, что влияние условий освещённости местопроизрастания на рост и развитие H. triphyllum выражается в достоверно меньшем количестве вегетативных и генеративных побегов на затенённых участках.
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