Sternbergia fischeriana is an endangered geophyte and therefore in vitro micropropagation of this plant will have great importance for germplasm conservation and commercial production. Bulb scale and immature embryo explants of S. fischeriana were cultured on different nutrient media supplemented with various concentrations of plant growth regulators. Immature embryos produced higher number of bulblets than bulb scales. Large numbers of bulblets were regenerated (over 80 bulblets/explants) from immature embryos on Murashige and Skoog (MS) medium supplemented with 4 mg l )1 6-benzylaminopurine (BA) and 0.25 mg l )1 a-naphthaleneacetic (NAA) or 2 mg l )1 2,4-dichlorophenoxyacetic acid (2,4-D D ) after 14 months of culture initiation. Regenerated bulblets were kept at 5°C for 5 weeks and then transplanted to a potting mixture.
Tea with different parts (flower, leaf, seed) of Sideritis condensate infused at different temperatures (60 and 100°C) and times (5, 10 and 30 minutes) were assessed for their phenolic composition and antioxidant activities. Leaf tea had the highest total phenolic content where as seed tea had the lowest.Leaves soaked at 100°C for 10 minutes had the highest total phenolic content. Total phenolic content of flower tea increased with increase in extraction temperature and time. Radical scavenging activities of leaves infused at 60°C for 5, 10 and 30 minutes were statistically in the same group but lower than those of leaves soaked at 100°C for 5, 10 and 30 min. The major phenolic compound identified from almost all aqueous infusions was the p-coumaric acid. The conditions of tea prepared from leaves of the Sideritis condensata at 100°C for 5, 10 and 30 minutes are the most appropriate conditions in regard to extraction of the highest total phenolics and the strongest antioxidant activity.
This paper was prepared from the poppy production data of Turkish Ministry of Food, Agriculture and Livestock, and climate data of Turkish State Meteorological Service. In this paper, it was stated how is affected the agricultural production by climate change. In accordance with this purpose, it was used the last five years production data of opium poppy and monthly weather temperature, precipitation and relative humidity data in the provinces producing opium poppy.
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