Makale 1990-1999 yılları
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Browsing Makale 1990-1999 yılları by Subject "Haploidy"
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Item The effects of gamma irradiation on pollen viability and haploid plant formation in snake cucumber (Cucumis melo var. flexuosus Naud.)(ISHS, 1999) Yanmaz, Ruhsar; Ellialtıoğlu, Ş. Şebnem; Kantoğlu, K. Yaprak; TAEK-ANTHAMIn this research the effects of gamma irradiation (250, 300, 350 Gy) on in vitro pollen viability and haploid embryo stimulation in inbred snake cucumber named line 6 were investigated. In vitro pollen viability was higher in pollens irradiated with 250 and 300 Gy doses (28,8% and 28% respectively) than 350 Gy (19,4 %). Pollen viability decreased by the increase of the pollen age besides the doses. According to the fruit set and parthenogenetic embryo formation ratios, 300 and 350 Gy doses seemed better than 250 Gy dose.