The behaviour of some old Cyclamen persicum varieties in growing conditions of a modern greenhouse from the didactic base of the Faculty of Horticulture and Forestry in Timişoara.

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Year 1731 is considered as the year of introducing into culture Cyclamen persicum. Some documents show that the species has been used for decades as a garden plant. The species originates from Western Asia, Greece, Cyprus, Palestine and grows in the wild on wooded low mountain regions or rocky pastures as it loves chalky soil and the humus resulted from leaf decomposition (Preda, 1979). In the present paper we have followed four Cyclamen varieties: Superba, Dunkelrot, Sylphide and Vuurbach, obtained from seed propagation. The plants were grown in a modern greenhouse where the climatic factors are automatic controlled. The quality aspects followed were: leaf number on plant, flower number on plant, leaf surface, apparition of first flower and the end of flowering for each variety. Data was statistic interpreted by using variant analysis, and the witness was constituted by the average of the experience. The results show that between flower number on plant and leaf surface there is a relative tight relation and Dunkelrot and Superba had the best results. The largest flowering period was pointed out in case of Dunkelrot, and Superba while Vuurbach had the lowest number of flowering days of all varieties taken to research. It is recommend the cultivation of all varieties taken to research but for a larger flowering period, phased seeding is needed. Being one of the easiest cultures for pot plants, Cyclamen is traditionally produced for flowering in winter and the tubers can be kept for flowering year after year.