Inventory of available genetic resources of ginkgo biloba l. in South Bulgaria
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Author: Valeria Ivanova, Liliana Natcheva, Petya Gercheva
Ginkgo is a deciduous tree characterized by an extremely long life. The investigation aimed at registering the genetic resources of Ginkgo biloba, was conducted in the period from 30 June 2012 to 15 September 2014. Eleven towns were included in the research, namely Plovdiv, Stara Zagora, Burgas, Pazardjik, Blagoevgrad, Sandanski, Dimitrovgrad, Haskovo, Jambol, Karlovo and Sopot. A total of 751 plants was registered. The following parameters were studied: location, approximate height (m), diameter of the stem (m), approximate age (in years), vitality, decorative and sanitary condition. The height of the trees varied from 12.7 m to 22.9 m. The age of the studied plants ranged from 10 to 22.9 years. The oldest plant was located in Plovdiv – in the Tsar Simeon Gardens. The plants in Stara Zagora demonstrated the highest performance in terms of vitality, decorative value and health status.