Hydroponic culture of Catharanthus roseus (L.) G. Don and studies on seed production
2007
Buchwald, Waldemar | Dedio, Irena | Kozłowski, Jan | Łata, Barbara
Under climatic conditions of Poland, Catharanthus roseus may be grown in the open field only as annual crop, using transplants raised in a greenhouse or in a plastic tunnel. An effective method of hydroponic culture has been elaborated and tested. Herbal material obtained in hydroponics showed considerable concentration of alkaloids in different plant parts. Seeds of C. roseus may also be produced under these conditions. Characteristics of seeds as well as the effect of different methods of their storage are presented. Seeds stored in paper bags at room temperature may retain germinability for 7 years and those stored in a refrigerator, at 5°C, up to 15 years. Storage in a freezer, at -10°C, resulted in a quick and sharp reduction of germination rate.
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