PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA
The grass Pennisetum clandestinum is the base of the dairy systems in high mountain regions in Colombia. Due to its fertilization requirements it is vital to find sustainable alternatives for its management. In this study, four native strains of the genera Azotobacter, Pseudomonas, Micrococcus and B...
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| Format: | Article |
| Language: | Spanish |
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Universidad de Ciencias Aplicadas y Ambientales
2014-12-01
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| Series: | Revista U.D.C.A Actualidad & Divulgación Científica |
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| Online Access: | http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0123-42262014000200013&lng=en&tlng=en |
| _version_ | 1818307611563393024 |
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| author | Diana Beatriz Sánchez Ruth Milena Gómez Ana María García Ruth Rebeca Bonilla |
| author_facet | Diana Beatriz Sánchez Ruth Milena Gómez Ana María García Ruth Rebeca Bonilla |
| author_sort | Diana Beatriz Sánchez |
| collection | DOAJ |
| description | The grass Pennisetum clandestinum is the base of the dairy systems in high mountain regions in Colombia. Due to its fertilization requirements it is vital to find sustainable alternatives for its management. In this study, four native strains of the genera Azotobacter, Pseudomonas, Micrococcus and Bacillus, isolated from P. clandestinum were used. Characterization of growth promotion ability in vitro such as phosphorus solubilization, production of indole compounds and siderophores synthesis was made for all strains, followed by a test under greenhouse conditions using 50% tricalcium phosphate plus each bacterium. After two months the bacteria,s potential to increment height, radical length, leaf and root weight in P. clandestinum was measured. The results indicated that the four strains have the ability for plant growth promotion. The treatment with the strain Azotobacter beijerinckii KA206 + 50% tricalcium phosphate increased significantly (p≤ 0.05) the assessed agronomical variables. These results surpassed the treatment with a 50% phosphate fertilization in terms of plant performance regarding roots length and dry weight. The four strains exhibited results that were significantly different (p≤ 0.05). These preliminary results suggest the existence of a feasible alternative that could reduce the phosphate fertilization with sources of low solubilization for the dairy production in sustainable agriculture systems. |
| first_indexed | 2024-12-13T07:01:08Z |
| format | Article |
| id | doaj.art-f458728edd9c4ac58ae1dc058e01f64d |
| institution | Directory Open Access Journal |
| issn | 0123-4226 |
| language | Spanish |
| last_indexed | 2024-12-13T07:01:08Z |
| publishDate | 2014-12-01 |
| publisher | Universidad de Ciencias Aplicadas y Ambientales |
| record_format | Article |
| series | Revista U.D.C.A Actualidad & Divulgación Científica |
| spelling | doaj.art-f458728edd9c4ac58ae1dc058e01f64d2022-12-21T23:55:57ZspaUniversidad de Ciencias Aplicadas y AmbientalesRevista U.D.C.A Actualidad & Divulgación Científica0123-42262014-12-01172423431S0123-42262014000200013PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREADiana Beatriz Sánchez0Ruth Milena Gómez1Ana María García2Ruth Rebeca Bonilla3Corporación Colombiana de Investigación AgropecuariaCorporación Colombiana de Investigación AgropecuariaCorporación Colombiana de Investigación AgropecuariaCorporación Colombiana de Investigación AgropecuariaThe grass Pennisetum clandestinum is the base of the dairy systems in high mountain regions in Colombia. Due to its fertilization requirements it is vital to find sustainable alternatives for its management. In this study, four native strains of the genera Azotobacter, Pseudomonas, Micrococcus and Bacillus, isolated from P. clandestinum were used. Characterization of growth promotion ability in vitro such as phosphorus solubilization, production of indole compounds and siderophores synthesis was made for all strains, followed by a test under greenhouse conditions using 50% tricalcium phosphate plus each bacterium. After two months the bacteria,s potential to increment height, radical length, leaf and root weight in P. clandestinum was measured. The results indicated that the four strains have the ability for plant growth promotion. The treatment with the strain Azotobacter beijerinckii KA206 + 50% tricalcium phosphate increased significantly (p≤ 0.05) the assessed agronomical variables. These results surpassed the treatment with a 50% phosphate fertilization in terms of plant performance regarding roots length and dry weight. The four strains exhibited results that were significantly different (p≤ 0.05). These preliminary results suggest the existence of a feasible alternative that could reduce the phosphate fertilization with sources of low solubilization for the dairy production in sustainable agriculture systems.http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0123-42262014000200013&lng=en&tlng=enAzotobacter sp.Pseudomonas sp.Micrococcus sp.Bacillus sp.solubilización de fósforo |
| spellingShingle | Diana Beatriz Sánchez Ruth Milena Gómez Ana María García Ruth Rebeca Bonilla PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA Revista U.D.C.A Actualidad & Divulgación Científica Azotobacter sp. Pseudomonas sp. Micrococcus sp. Bacillus sp. solubilización de fósforo |
| title | PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA |
| title_full | PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA |
| title_fullStr | PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA |
| title_full_unstemmed | PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA |
| title_short | PHOSPHATE SOLUBILIZING BACTERIA ISOLATED FROM Pennisetum clandestinum ASSOCIATE TO LIVESTOCK SYSTEMS IN THE ANDEAN AREA |
| title_sort | phosphate solubilizing bacteria isolated from pennisetum clandestinum associate to livestock systems in the andean area |
| topic | Azotobacter sp. Pseudomonas sp. Micrococcus sp. Bacillus sp. solubilización de fósforo |
| url | http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0123-42262014000200013&lng=en&tlng=en |
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