Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia
Growth and activity of N2-fixing bacteria can be affected by N fertilizer application. A study was conducted at Universiti Putra Malaysia, Malaysia, to determine the effect of urea-N on the growth and indoleacetic acid (IAA) production of diazotrophic Stenotrophomonas maltophilia strain Sb16 (access...
Guardado en:
| Autores principales: | , , |
|---|---|
| Lenguaje: | English |
| Publicado: |
Instituto de Investigaciones Agropecuarias, INIA
2013
|
| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000200016 |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| id |
oai:scielo:S0718-58392013000200016 |
|---|---|
| record_format |
dspace |
| spelling |
oai:scielo:S0718-583920130002000162018-10-01Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in MalaysiaOthman,RadziahAminun Naher,UmmeZuraidah Yusoff,Siti Incubation study paddy soil diazotroph Growth and activity of N2-fixing bacteria can be affected by N fertilizer application. A study was conducted at Universiti Putra Malaysia, Malaysia, to determine the effect of urea-N on the growth and indoleacetic acid (IAA) production of diazotrophic Stenotrophomonas maltophilia strain Sb16 (accession number, JQ820255), previously isolated from rice (Oryza sativa L.) growing soils of Malaysia. Five rates of N from urea fertilizer were applied (0, 50, 100, 150, and 200 kg ha-1) to the flooded rice soil and incubated in the control environment for 6 wk. Results showed that the population growth increased with increased N rates and highest population (8.2 log10 cfu mL-1) recorded in soil-standing water at the second week of incubation. The population decreased with the reduction of total N. Soil and soil water pH increased from 7.1 to 8.4 at the first week of incubation. Production of indoleacetic acid was significantly reduced with N fertilizer application. The highest indoleacetic acid (2.6 mg mL-1) was produced in the control treatment. Application of high rates of N fertilizer increased the population of diazotrophic strain Sb16 but significantly reduced indoleacetic acid production.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.73 n.2 20132013-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000200016en10.4067/S0718-58392013000200016 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
Incubation study paddy soil diazotroph |
| spellingShingle |
Incubation study paddy soil diazotroph Othman,Radziah Aminun Naher,Umme Zuraidah Yusoff,Siti Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| description |
Growth and activity of N2-fixing bacteria can be affected by N fertilizer application. A study was conducted at Universiti Putra Malaysia, Malaysia, to determine the effect of urea-N on the growth and indoleacetic acid (IAA) production of diazotrophic Stenotrophomonas maltophilia strain Sb16 (accession number, JQ820255), previously isolated from rice (Oryza sativa L.) growing soils of Malaysia. Five rates of N from urea fertilizer were applied (0, 50, 100, 150, and 200 kg ha-1) to the flooded rice soil and incubated in the control environment for 6 wk. Results showed that the population growth increased with increased N rates and highest population (8.2 log10 cfu mL-1) recorded in soil-standing water at the second week of incubation. The population decreased with the reduction of total N. Soil and soil water pH increased from 7.1 to 8.4 at the first week of incubation. Production of indoleacetic acid was significantly reduced with N fertilizer application. The highest indoleacetic acid (2.6 mg mL-1) was produced in the control treatment. Application of high rates of N fertilizer increased the population of diazotrophic strain Sb16 but significantly reduced indoleacetic acid production. |
| author |
Othman,Radziah Aminun Naher,Umme Zuraidah Yusoff,Siti |
| author_facet |
Othman,Radziah Aminun Naher,Umme Zuraidah Yusoff,Siti |
| author_sort |
Othman,Radziah |
| title |
Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| title_short |
Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| title_full |
Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| title_fullStr |
Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| title_full_unstemmed |
Effect of urea-N on growth and indoleacetic acid production of Stenotrophomonas maltophilia (Sb16) isolated from rice growing soils in Malaysia |
| title_sort |
effect of urea-n on growth and indoleacetic acid production of stenotrophomonas maltophilia (sb16) isolated from rice growing soils in malaysia |
| publisher |
Instituto de Investigaciones Agropecuarias, INIA |
| publishDate |
2013 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000200016 |
| work_keys_str_mv |
AT othmanradziah effectofureanongrowthandindoleaceticacidproductionofstenotrophomonasmaltophiliasb16isolatedfromricegrowingsoilsinmalaysia AT aminunnaherumme effectofureanongrowthandindoleaceticacidproductionofstenotrophomonasmaltophiliasb16isolatedfromricegrowingsoilsinmalaysia AT zuraidahyusoffsiti effectofureanongrowthandindoleaceticacidproductionofstenotrophomonasmaltophiliasb16isolatedfromricegrowingsoilsinmalaysia |
| _version_ |
1714205323945836544 |