Abstract
During the period 1996-2001 three wild perennial Bulgarian plants belong to Plumbaginaceae family (Goniolimon tataricum Boiss., Goniolimon besserianum (Shut ex Reichenb.) and Goniolimon collinum (Griseb.)) were studied at the Floriculture Institute - Negovan (now RCNPO-Sofia). The Goniolimon tataricum Boiss. and Goniolimon besserianum species are spread along the North and South Black Sea coast. Goniolimon collinum (Griseb.) Boiss is spread in the Sofia region and South Black Sea (Kiten village). The flowers were cultivated under optimal agricultural conditions. Three parameters were studied: leaf rosette diameter, height, and number of flower stems per plant. Coefficients of variance under cultivation conditions compared with the natural habitats conditions showed approximately 2-2.5 times higher values. Variation values of the parameters at the Goniolimon species, showed its natural specificity even during species cultivation.
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