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Enterobacter sp. strain Fs-11 adapted to diverse ecological conditions and promoted sunflower achene yield, nutrient uptake, and oil contents.
Shahid, Muhammad; Hameed, Sohail; Zafar, Mohsin; Tahir, Muhammad; Ijaz, Muhammad; Tariq, Mohsin; Hussain, Khadim; Ali, Amanat.
Afiliação
  • Shahid M; Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, 38000, Pakistan. mshahid@gcuf.edu.pk.
  • Hameed S; Microbial Physiology Laboratory, National Institute for Biotechnology & Genetic Engineering (NIBGE), Faisalabad, Pakistan. mshahid@gcuf.edu.pk.
  • Zafar M; Microbial Physiology Laboratory, National Institute for Biotechnology & Genetic Engineering (NIBGE), Faisalabad, Pakistan.
  • Tahir M; Department of Soil and Environmental Sciences, The University of Poonch, Rawalakot, Azad Jammu & Kashmir, Pakistan.
  • Ijaz M; Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Islamabad, Pakistan.
  • Tariq M; College of Agriculture, Bahauddin Zakariya University, Bahadur Sub-Campus, Layyah, Pakistan.
  • Hussain K; Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, 38000, Pakistan.
  • Ali A; Microbial Physiology Laboratory, National Institute for Biotechnology & Genetic Engineering (NIBGE), Faisalabad, Pakistan.
Braz J Microbiol ; 50(2): 459-469, 2019 Apr.
Article em En | MEDLINE | ID: mdl-30830602
Plant growth-promoting rhizobacteria are under extensive investigation to supplement the chemical fertilizers due to cost-effective and eco-friendly nature. However, their consistency in heterogeneous soil and diverse ecological settings is unclear. The current study presents in vitro and field evaluation of pre-characterized PGPR strain Enterobacter sp. Fs-11 (GenBank accession # GQ179978) in terms of its potential to enhance sunflower yield and oil contents under diverse environmental conditions. Under in vitro conditions, strain Fs-11 showed optimal growth at a range of temperature (15 to 40 °C) and pH values (6.5 to 8.5). Extracellular and intracellular localizations of the strain Fs-11 in sunflower root cortical cells through transmission electron microscopy confirmed its epiphytic and endophytic colonization patterns, respectively. In field experiments, conducted at three different agro-climatic locations, inoculation of strain Fs-11 at 50% reduced NP fertilizer resulted in a significant increase in growth, achene yield, nutrient uptake, and oil contents. Inoculation also responded significantly in terms of increase in mono- and polyunsaturated fatty acids (oleic and linoleic acids, respectively) without rising saturated fatty acid (palmitic and stearic acids) contents. We concluded that Enterobacter sp. Fs-11 is a potential candidate for biofertilizer formulations to supplement chemical fertilizer requirements of sunflower crop under diverse climatic conditions.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Rhizobiaceae / Raízes de Plantas / Enterobacter / Fertilizantes / Helianthus País/Região como assunto: Asia Idioma: En Revista: Braz J Microbiol Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Paquistão País de publicação: Brasil
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Rhizobiaceae / Raízes de Plantas / Enterobacter / Fertilizantes / Helianthus País/Região como assunto: Asia Idioma: En Revista: Braz J Microbiol Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Paquistão País de publicação: Brasil