Yazar "Çirak C." için listeleme
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Effects of explant types and different concentrations of sucrose and phytoharmones on plant regeneration and hypericin content in Hypericum perforatum L
Ayan A.K.; Çirak C.; Kevseroğlu K.; Sökmen A. (Turkiye Klinikleri Journal of Medical Sciences, 2005)Hypericum perforatum L. is a medicinal perennial known as "St. John's wort" in Western Europe and used in the treatment of mild to moderate depression. Hypericin, a dianthrone red pigment, is considered responsible for ... -
Estimation of leaf area in selected Hypericum species
Çirak C.; Odabaş M.S.; Ayan A.K.; Sağlam B.; Kevseroğlu K. (2008)The genus Hypericum has attracted scientific interest for recent years, since it is a source of a variety of compounds including hypericin. The present study was conducted out to develop leaf area prediction models for ... -
Modeling the effect of temperature on the days to germination in seeds of flue-cured and oriental tobacco (Nicotiana tabacum L.)
Çirak C.; Ayan A.K.; Odabaş M.S.; Çamaş N. (Academic Journals Inc., 2007)In this research, the possibility of prediction of days to germination of seeds for Flue-cured and Oriental tobacco (Nicotiana tabacum L.) by mathematical models based on temperature was investigated. A model, (D = ? - ... -
Non-destructive estimation of leaf area in tea (Cornelia sinensis)
Zenginbal H.; Özcan M.; Uzun S.; Çirak C. (2010)Leaf area parameters routinely measured in physiological studies provides researchers many advantages in horticultural experiments. In the present study a leaf area prediction model was developed for tea (Cornelia sinensis) ... -
Prediction model of leaf area for Trigonella foenum graecum L
Odabaş M.S.; Aydin A.; Kevseroğlu K.; Çirak C. (2009)Reliable equations were offered to predict leaf area for Trigonella foenum. Lamina width, length and leaf area were measured without destroying plant to develop the models. All equations produced for leaf area were derived ... -
Yield and quality component of sugar beet grown under northern Turkey conditions
Çamaş N.; Çirak C.; Albayrak S. (Academic Journals Inc., 2007)The present study was undertaken to determine the yield and quality performance of two sugar beet cultivars (Duetto and Leila) at five locations from Northern Turkey during 2004 and 2005 growing seasons. The experimental ...
