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Featured researches published by Jelena Marinković.


Communications in Soil Science and Plant Analysis | 2018

Antifungal and Plant Growth Promoting Activities of Indigenous Rhizobacteria Isolated from Maize (Zea mays L.) Rhizosphere

Dragana Bjelic; Jelena Marinković; Branislava Tintor; Nastasija Mrkovački

ABSTRACT Plant growth promoting rhizobacteria (PGPR) enhance the plant growth directly by assisting in nutrient acquisition and modulating plant hormone levels, or indirectly by decreasing the inhibitory effects of various pathogens. The aim of this study was to select effective PGPR from a series of indigenous bacterial isolates by plant growth promotion and antifungal activity assays. This study confirmed that most of the isolates from maize rhizosphere were positive for PGPR properties by in vitro tests. Azotobacter and Bacillus isolates were better phosphate solubilizers and producers of lytic enzymes, hydrocyanic acid (HCN), and siderophores than Pseudomonas. Production of indole-3-acetic acid (IAA) and antifungal activity were the highest in Azotobacter, followed by Bacillus and Pseudomonas. The most effective Azotobacter isolates (Azt3, Azt6, Azt12) and Bacillus isolates (Bac10, Bac16) could be used as PGPR agents for improving maize productivity. Further selection of isolates will be necessary to determine their efficiency in different soils.


Zbornik Matice Srpske Za Prirodne Nauke | 2016

Soil microbial activity under conventional and organic production of bean and maize

Jelena Marinković; Ivan Susnica; Dragana Bjelic; Branislava Tintor; Mirjana Vasic

The objective of this study was to compare the effects of conventional and organic production system on microbial activity in the soil cultivated with bean and maize crops. The trial in Đurđevo was set up according to the conventional farming system, while organic farming system was used in Futog. Two maize hybrids and two bean cultivars were used in the trial. Soil samples were collected in two periods during 2014 (before sowing, at flowering stage of bean crops, and at 9–11 leaf stage of maize) at two depths, at both locations. The following microbiological parameters were tested: the total number of microorganisms, number of ammonifiers, Azotobacter sp., free nitrogen fixing bacteria, fungi, actinomycetes, and activity of dehydrogenase enzyme. The results showed that the total number of microorganisms, number of free N-fixers and dehydrogenase activity were higher within organic production, while Azotobacter sp. was more abundant in conventional production. Variations in the number of ammonifiers, fungi and actinomycetes in relation to the type of production were not obtained. Significant differences in microbial activity were also obtained between period and depths of sampling.


Zbornik radova Instituta za ratarstvo i povrtarstvo | 2004

Microbiological fertilizer use and study of biological activity for soil protection purposes

Vera M. Milić; Mirjana Jarak; Nastasija Mrkovački; Nada Milošević; Mitar M. Govedarica; Simonida Đurić; Jelena Marinković


Journal of Agricultural Sciences, Belgrade | 2008

Use of biophysical methods to improve yields and quality of agricultural products.

Branko Marinković; Miroslav Grujic; Duško Marinković; Jovan Crnobarac; Jelena Marinković; Goran Jaćimović; Dragoslav-Vlad Mircov


Zbornik radova Instituta za ratarstvo i povrtarstvo | 2003

Use of microbiological fertilizers in bean, soybean and maize production

Vera M. Milić; Milica Hrustić; Mirjana Vasic; Ljubinko Starčević; Jelena Marinković


Zbornik radova Instituta za ratarstvo i povrtarstvo | 2008

Microbial properties of fluvisol at different locations in the vicinity of Novi Sad

Jelena Marinković; Nada Milošević; Branislava Tintor; Petar Đ. Sekulić; Ljiljana Nešić


Ratarstvo i Povrtarstvo | 2018

Effect of different soil usage on microbial properties in soils of Central Serbia

Jelena Marinković; Dragana Bjelic; Jordana Ninkov; Jovica Vasin; Branislava Tintor; Milorad Živanov


Ratarstvo i Povrtarstvo | 2018

Microbial abundance and activity in chernozem under different cropping systems

Jelena Marinković; Dragana Bjelic; Srđan Šeremešić; Branislava Tintor; Jordana Ninkov; Milorad Živanov; Jovica Vasin


Ratarstvo i Povrtarstvo | 2018

Urban garden soil pollution caused by fertilizers and copper-based fungicides application

Jordana Ninkov; Jelena Marinković; Dušana Banjac; Janko Červenski; Snežana Jakšić; Milorad Živanov; Borislav Banjac


Zbornik Matice Srpske Za Prirodne Nauke | 2017

Molecular identification of Bradyrhizobium japonicum strains isolated from root nodules of soybean (Glycine max L.)

Jelena Marinković; Dragana Bjelic; Branislava Tintor; Maja Ignjatov; Zorica Nikolić; Vojin Djukic; Svetlana Balešević-Tubić

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