The effect of pyridoxine on the germination indices and biochemical traits of Rosa canina seeds
Subject Areas : Plant physiology
hashem norozi
1
(گروه علوم باغبانی، واحد گرمسار، دانشگاه آزاد اسلامی، گرمسار، ایران)
Keywords: Catalase, Peroxidase, Pyridoxine, Rosa canina,
Abstract :
In order to investigate pyridoxine treatment on the germination percentage, some vegetative traits and enzymatic activity of Rosa canina seeds, an experiment was conducted as a completely randomized statistical design with pretreatment of seeds with three concentrations of 0.01, 0.02 and 0.03% of pyridoxine. The Rosa canina treated seeds were placed inside the germinator at a temperature of 25±2°C, a light intensity of 1000 lux and a photoperiod of 16 hours of light and 8 hours of darkness. Traits such as germination percentage, radicle and plumule length, seedling fresh and dry weight, catalase and peroxidase enzymes activity were measured. The obtained data were analyzed with SPSS statistical software. Means were compared with Duncan's multiple range test at 1% and 5% probability levels. The results of the experiment showed that pyridoxine treatment had a significant effect on germination percentage, radicle and plumule length, seedling fresh weight (at 1% probability level) and seedling dry weight, catalase and peroxidase enzymes activity (at 5% probability level). Also, the highest percentage of germination, radicle and shoot length, fresh and dry weight of seedling, activity of catalase and peroxidase enzymes were in pyridoxine 0.03% treatment. In general, the treatment of seeds with different concentrations of pyridoxine improved the germination percentage, vegetative traits and enzyme activity of Rosa canina seeds. Therefore, pyridoxine pretreatment can be recommended to improve germination and seedling growth.
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