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Öğe Antibacterial and antifungal activity of Heracleum sphondylium subsp artvinense (conferenceObject)(Elsevier Science Bv, 2005) Kaçar, Y.; Tan, S.; Ergene, A.; Güler, P.; Mirici, S.; Hamzaoglu, E.; Yildirim, S.…Öğe Antimicrobial Activity of Heracleum antasiaticum(Int Soc Horticultural Science, 2009) Ergene, Aysun; Tan, Sema; Mirici, Semra; Güler, P.; Yildirim, S.Heracleum L. (Apiaceae) includes more than 70 species in the world. This variety is representing 17 species in Turkey of which 7 species are endemic. Heracleum antasiaticum is an endemic species for Turkey. Heracleum antasiaticum has been shown to possess medicinal value, in particular, and antimicrobial activity. Heracleum antasiaticum was assayed for their in vitro antibacterial activities against eight pathogenic bacteria, and three yeast spp. The antimicrobial activity of the ethanol extract and water extract of Heracleum antasiaticum was investigated using an agar diffusion method. Ethanolic and aqueous extract of Heracleum antasiaticum differed significantly in their activity against the test microorganisms.Öğe Effect of some Turkish propolis on the product quantity of Agaricus bisporus (Lange.) Sing(Pakistan Botanical Soc, 2003) Güler, P.; Sorkun, K.; Salih, B.In this study, the effect of some Turkish propolis on the product quantity of cultivated mushroom Agaricus bisporus (Lange.) Sing. was determined. The samples of propolis were obtained from (Bursa and Erzurum) regions of Turkey. Propolis extracts were prepared as 0.5 EEP and 2.0 EEP and sprayed on compost, compost + casing soil and compost + casing soil + 1. flush of Agaricus bisporus at different times of growth period under controlled laboratory conditions Propolis showed stimulatory effects on the developmental stages and some parameters of the yield. An early yield of mush-rooms, rapid growing and increase of total weight of harvested basidiocarps were observed as compared to control without propolis in which primordium and basidiocarp formations showed great reduction. Chemical analysis of all the harvested mushroom that were cultivated on the product conditions with propolis were made by gas chromotography (GC)-mass spectrometry (MS).Öğe Production of high temperature-resistant strains of Agaricus bitorquis(Academic Journals, 2006) Güler, P.; Ergene, Aysun; Tan, S.In this study, the culture mushroom Agaricus bitorquis (Quel.) Sacc. was examined for growth of mycelia and fructifications under high temperature. The spores taken from the mushrooms that were collected from nature were grouped as A, B, C, D and E. These spores were inoculated into malt extract agar and incubated at 30 degrees C and primer mycelium was produced. The mycelium discus taken from primer mycelium in 8 mm diameter were inoculated into the center of malt extract agar and incubated at 30 degrees C, 32 degrees C, 34 degrees C, 36 degrees C, and 38 degrees C, separately. During the incubation period the growth of the mycelia were measured. The best mycelia growth for all groups was seen at 30 degrees C. At 36 degrees C, the E group mycelia and at 38 degrees C other group's mycelia did not grow. These temperatures were determined as thermal lethal point for the groups. From all the mycelia produced spawn was prepared and inoculated into compost and incubated at 30 degrees C and 32 degrees C. The harvested mushrooms were inspected morphologically.
