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Micropropagation is a viable alternative for bamboo propagation due to the potentialities this type of plant has for building, handicrafts confection and soil protection. The technique is an efficient alternative to plant propagation with a high genetic value and quality. The current research was developed focused on the in vitro establishing of axillary buds of Bambusa vulgaris var. Vittata. Three concentrations of sodium hypochlorite (1.0, 2.0 and 3.0%) and three different times (10, 15, 20 minutes) were used for disinfection of axillary buds. The highest rates of established buds were achieved using sodium hypochlorite to 2.0% during 20 minutes for disinfection. Between 86% and 100% buds sprouted, and a 93.7% of explants free of visible microbial contaminants were obtained from axillary buds introduced to in vitro conditions. [ABSTRACT FROM AUTHOR]

The availability of D. strictus seeds is affected by the length and erratic flowering cycle of the species. These seeds also retain their germination only for short periods of time. The tissue culture offers a fast and reliable way for the propagation using in vitro seed germinated as initial plant material. This research was conducted with the objective of to germinate in vitro D. strictus seeds. The effect of different concentrations of sodium hypochlorite (NaClO) (3.0, 5.0 and 7.0%) and time for seed disinfection (20 and 30 min) were determined. It was evaluated the number of germinated seeds and free of microbial contaminants after 10 days of culture. The results showed that the method of disinfection which sodium hypochlorite 3.0% for 30 minutes was the best for in vitro germination of Dendrocalamus strictus (Rosb.) Nees seeds. [ABSTRACT FROM AUTHOR]