Enterobacter sp. strain Fs-11 adapted to diverse ecological conditions and promoted sunflower achene yield, nutrient uptake, and oil contents

Muhammad Shahid, Sohail Hameed, Mohsin Zafar, Muhammad Tahir, Muhammad Ijaz, Mohsin Tariq, Khadim Hussain, Amanat Ali

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
JournalBrazilian Journal of Microbiology
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Enterobacter
Helianthus
Fertilizers
Oils
Stearic Acids
Oleic Acids
Linoleic Acids
Monounsaturated Fatty Acids
Nucleic Acid Databases
Growth
Transmission Electron Microscopy
Unsaturated Fatty Acids
Fatty Acids
Soil
Costs and Cost Analysis
Temperature
In Vitro Techniques

Keywords

  • Agro-climatic locations
  • Enterobacter sp
  • Fatty acids
  • Field evaluation
  • Transmission electron microscopy

ASJC Scopus subject areas

  • Microbiology

Cite this

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.

In: Brazilian Journal of Microbiology, 01.01.2019.

Research output: Contribution to journalArticle

Shahid, Muhammad ; Hameed, Sohail ; Zafar, Mohsin ; Tahir, Muhammad ; Ijaz, Muhammad ; Tariq, Mohsin ; Hussain, Khadim ; Ali, Amanat. / Enterobacter sp. strain Fs-11 adapted to diverse ecological conditions and promoted sunflower achene yield, nutrient uptake, and oil contents. In: Brazilian Journal of Microbiology. 2019.
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