为探索不同浓度次氯酸钠对烟草无菌苗生长的影响,分别用25%、30%及40%NaClO处理烟草种子30min,然后,测定了无菌苗的生物量、根系活力、叶绿素含量、根冠比、根长和株高等生理指标。结果表明,在处理30min的情况下,25%NaClO处理较为适宜,无菌苗的各项生理指标均有较好的表现。 In order to explore the effects of different concentrations of sodium hypochlorite on the growth of tobacco seedlings, the tobacco seeds were treated with 25%, 30% and 40% NaClO for 30 min, and then the biomass, root activity, chlorophyll content, , Root length and plant height physiological indicators. The results showed that under the condition of 30min treatment, 25% NaClO treatment was more suitable, and all the physiological indexes of the sterile seedlings had a good performance.