Published in Scientific Papers. Series B, Horticulture, Vol. LXIV, Issue 1
Written by Valeria IVANOVA, Nikifor VALCHEV
Verbascum thapsus L. is a wild plant in Bulgaria and has very good decorative qualities. The purpose of this study was to explore the possibility of using Verbascum thapsus as an ornamental plant. The investigation was conducted during the period 2017-2019. Seeds of wild plants were collected in the area of Plovdiv. The seeds were sown on 4 dates - the beginning of June, July, August and September. Vitality, germination and germination energy of the seeds were studied. The phenological and ornamental characteristics were recorded. The plants with the sowing of seeds in the beginning of July have the best decorative behaviour - the largest flowers, the largest number of flowers and the longest flowering period.
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