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The study determined the morphological and genetic diversity among nine cultivars of peppermint (Mentha × piperita L.): ‘Almira’, ‘Asia’, ‘Chocolate’, ‘Citaro’, ‘Granada’, ‘Grapefruit’, ‘Multimentha’, ‘Swiss’ and ‘Variegata’. The leaves of the peppermint cultivars were characterized by substantial variation in morphology and size. The leaves of ‘Multimenth’, ‘Grapefruit‘ and ‘Swiss’ were largest,...
Pot marigold (Calendula officinalis L.) is an annual ornamental plant which is also grown for herbal raw material used in the pharmaceutical and cosmetic industries. There are a lot of pot marigold cultivars which differ in colour and in size of inflorescences as well as participation of ligulate flowers. In the field experiment there were five cultivars of pot marigold compared: ’Orange King’, ‘Persimmom...
Marigold belongs to the oldest medicinal plants, which had been used in the ancient times. At present it supplies its material of a great significance for pharmaceutical and cosmetic industry. The study was conducted in the period 2007–2009 on loess soil with the granulometric composition of silt loam. The aim of the experiment was to determine the effect of different nitrogen doses (0, 40, 80, 120,...
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