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Ex-sito conservation of healthy Buxus hyrcana trees in National Botanical Garden of Iran in order to reclamation of damaged natural sites

نوع محتوی: طرح پژوهشی
Language: Persian
استان موضوع گزارش: تهران
شهر موضوع گزارش: تهران
Document National Code: R-1090562
Publish: 16 February 2019
دسته بندی علمی: علوم کشاورزی
View: 379
Pages: 47
Publish Year: 1395

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Ex-sito conservation of healthy Buxus hyrcana trees in National Botanical Garden of Iran in order to reclamation of damaged natural sites abstract

Box tree (Buxus hyrcana Pojark.) is one of the most important species of Hyrcanian forests. Because of degradation of these species natural sites, it is considered as endangered species. Unfortunately, a lot of box trees have affected and destroyed by pests and deseases during last years. Now a day, accurate identification of pests and deseases, investigation on the best control method, temporal protection areas and reclamation of degraded sites by safe saplings are necessary. This complex have studied in a main project titled "study on droughtness and conservation of box tree genetic reserves in order to reclamation of it`s distribution areas". The role of National Botanical Garden of Iran (N.B.G.I) as a safe source for producing the safe box tree saplings has studied in a subproject. Hyrcanian collection of N.B.G.I with more than 4 decades age include valuable and safe individuals of box tree which have transferred from Hyrcanian forests to N.B.G.I during past years. The individuals have sexual regeneration and could be considered as a safe source to produce safe saplings which are one of the most important objectives of botanical gardens. Today, there are 30 good individuals of box tree in the Hyrcanian collection. Seeds of trees were gathered during 2015 and 2016 and cultivated inside the collection in form of sowing and seeding. Furthermore, natural saplings of box trees that were established in the collection were planted in pots. Based on the present data, about 10000 box tree saplings were produced with the age of two and three years. The saplings are ready to transfer to degraded sites in Hyrcanian forests. Totally, N.B.G.I has been susscesful in conservation of box tree and production of safe saplings as one of the most important roles.Keywords: Reclamation, National Botanical Garden of Iran, Buxus hyrcana, Hyrcanian collection, endangerd species.Ministry

Ex-sito conservation of healthy Buxus hyrcana trees in National Botanical Garden of Iran in order to reclamation of damaged natural sites authors