ABSTRACT:
This research aimed to evaluate the antibiotic therapy effects in the growing of micropropagated pineapple plants as well as in the community of the endophytic bacterial of the species. It was performed molecular analyzes and verified the presence of endophytes within microplants even after 30 days of culture on MS medium supplemented with different antibiotics and analyzed the development growth of shoots and roots of microplants. After the period of 30 days of cultivation, even being checked the presence of endophytic bacteria, it was verified that the microplants showed reduction of the growing of shoots and roots, thereby demonstrating the influence of in vitro endophytic microorganisms in the development of microplants, and the importance of maintaining it in equilibrium with endophytes/ microplants.
Key words:
endophytes; antibiotics; bacteria; axenic culture; micropropagation
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