Scarpa, Grazia Maria and Marras, Sonia Piera and Meloni, Elena (2009) Moltiplicazione di Thymus catharinae Camarda. Italian Journal of Agronomy, Vol. 4 (4 Suppl.), p. 487-492. ISSN 1125-4718. Article.
For its property, due to active principles of the essential oil, the Thymus catharinae Camarda is a species of interest for the erboristic-medicinal and aromatic aspects. For the safeguard of the spontaneous flora and for production of elevated quality, it is suitable the cultivation of selected plants. Among the aspects to take in consideration, the first problem that have been chosen to explore, it is the suitable system of propagation. The seeds have been collected from 9 spontaneous plants, to complete maturation, the zone called Valliciola (1,053 m. over sea level). The plants moter have been collected in the autumn of 2005 in vegetative rest. Rooted jets of each plant have been transplant in pots of 40 x 20 cm, containing land of the area. Daily, it was provided to water the plants with original water of the area of origin. In the month of October 2005, from new jets they have been selected shoots of approximately 5-6 cm, containing at least 3 nodes. The basal part of scions has been dipped in NAA 0.5%. Scions have been planted in plateaux containing ground and pearlite (1:1), placed under a small tunnel covered with plastic material (EVA) for maintaining a temperature of approximately 2-3 °C over greenhouse temperature, and a humidity of 100%. Average rooting was 78.3%, indicating a good attitude of the species. It has been evidenced difference among the plants in test, with variable values from 55% to a maximum of 100%. The weight of 1000 seeds found in vital seeds was 85 mg. The percentage of germination has been extremely low: from the 1 to 2%.
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