The effects of plant growth promoting Bacillus pumilus CCIBP- C5 on ‘Grande naine’ (Musa AAA) plants in acclimatization stage
Journal Title: Biotecnología Vegetal - Year 2015, Vol 15, Issue 3
Abstract
The search of effective and sustainable technological alternatives to replace chemical fertilization it is a challenge for scientists. Positive actions of microorganisms on plants growth are known. Considering these criteria, the objective was to determine the effect of Bacillus pumilus CCIBP-C5 on ‘Grande naine’ (Musa AAA) plants in acclimatization stage. The ability to fix atmospheric nitrogen and indoleacetic acid production in vitro was determined. Furthermore, micropropagated Musa sp. plants were inoculated by immersion of roots in bacterial suspension. B. pumilus was able to grow in culture media without nitrogen, and produced 28.9 g ml -1 of indoleacetic acid. Besides, B. pumilus increased significantly the height and stem thickness, modified roots architecture and enhanced fresh and dry weight of plants. The bacteria strain CCIBP-C5 favorably influenced the growth of plants.
Authors and Affiliations
Mileidy Cruz-Martín, Eilyn Mena, Cynthia Sánchez-García, Berkis Roque, Mayra Acosta-Suárez, Tatiana Pichardo, Michel Leiva-Mora, Yelenys Alvarado-Capó.
Keywords
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