Synergism between Phyllobacterium sp. (N2-fixer) and Bacillus licheniformis (P-solubilizer), both from a semiarid mangrove rhizosphere

Abstract Mangrove seedlings were treated with a mixture of two bacterial species, the slow-growing, N2-fixing bacterium Phyllobacterium sp. and the fast-growing, phosphate-solubilizing bacterium Bacillus licheniformis, both isolated from the rhizosphere from black, white, and red mangroves of a semi...

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Bibliographic Details
Published in:FEMS microbiology ecology 2001-04, Vol.35 (2), p.181-187
Main Authors: Rojas, Adriana, Holguin, Gina, Glick, Bernard R., Bashan, Yoav
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Animal, plant and microbial ecology
Artificial seawater
Bacillus licheniformis
Bacteria
Biochemistry and biology
Biological and medical sciences
Chemical, physicochemical, biochemical and biological properties
Ecology
Fundamental and applied biological sciences. Psychology
Inoculation
Leaves
Mangrove
Mangroves
Microbial ecology
Microbiology
Multiplication
Mutualism
Nitrogen fixation
Nitrogenation
Phosphate solubilization
Phyllobacterium
Physics, chemistry, biochemistry and biology of agricultural and forest soils
Plant growth
Plant growth promoters
Plant growth‐promoting bacterium
Rhizosphere
Seawater
Seedlings
Soil science
Solubilization
Synergism
Various environments (extraatmospheric space, air, water)
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Summary:Abstract Mangrove seedlings were treated with a mixture of two bacterial species, the slow-growing, N2-fixing bacterium Phyllobacterium sp. and the fast-growing, phosphate-solubilizing bacterium Bacillus licheniformis, both isolated from the rhizosphere from black, white, and red mangroves of a semiarid zone. Nitrogen fixation and phosphate solubilization increased when the mixture was used compared to the effects observed when adding individual cultures, notwithstanding that there was no increase in bacterial multiplication under these conditions. Inoculation of black mangrove seedlings in artificial seawater showed the mixture performed somewhat better than inoculation of the individual bacterium; more leaves were developed and higher levels of 15N were incorporated into the leaves, although the total nitrogen level decreased. This study demonstrates that interactions between individual components of the rhizosphere of mangroves should be considered when evaluating these bacteria as plant growth promoters.
ISSN:0168-6496
1574-6941
DOI:10.1111/j.1574-6941.2001.tb00802.x