اثرات پرایمینگ به وسیله کینتین بر روی شاخص‌های جوانه‌زنی و فعالیت آنزیم‌های آنتی اکسیدانتی پراکسیداز و کاتالاز بذر گیاه دارویی سرخارگل

In order to study the effects of seed priming with the use of kinetin on germination indicators and the activity of catalase and peroxidase antioxidant enzymes of the seed of Echinacea purpurea (L.) Moench medicinal plant, an experiment that has blocks forms with a completely randomized design (CRD) with three replications was conducted. For doing seeds priming from different amounts of kinetin which included three levels 0, 10 and 20 ppm were used. The results of mean comparison of the effect of kinetin showed that has not meaningful effect between different levels of kinetin and witness about germination percentage. It also showed that that has not meaningful effect between second and third level of kinetin on germination speed and seed vigor indicator. By increasing the amount of kinetin germination speed, seed vigor, length of seedling and the dry weight of the seedling was increased so that the least amount of measured characteristics is related to the witness and the most amount of it is related to third level of kinetin. It also observed that by increasing of the kinetin the mean germination time and the activity of catalase and peroxidase enzymes was decreased so that the most amount of it is related to witness and the least amount of it is related to third level of kinetin.