Minimum inhibitory concentration of nano-silver bactericides for beneficial microbes and its effect on Ralstonia solanacearum and seed germination of Japanese Cucumber (Cucumis sativus)

Sotoodehnia, Poopak and Mazlan, Norida and Saud, Halimi Mohd and Samsuri, Wahid A. and Habib, Sheikh Hasna and Soltangheisi, Amin (2019) Minimum inhibitory concentration of nano-silver bactericides for beneficial microbes and its effect on Ralstonia solanacearum and seed germination of Japanese Cucumber (Cucumis sativus). Peerj, 7. ISSN 2167-8359

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Abstract

Background Plant growth-promoting rhizobacteria (PGPR) are highly promising biofertilizers that contribute to eco-friendly sustainable agriculture. There have been many reports on the anti-microbial properties of nanoparticles (NPs). Toxic effects of NPs under laboratory conditions have also reported; however, there is a lack of information about their uptake and mobility in organisms under environmental conditions. There is an urgent need to determine the highest concentration of NPs which is not detrimental for growth and proliferation of PGPR. Methods Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) were used to measure the size and shape of NPs. Minimum inhibitory concentrations (MIC) of nano-silver on selected beneficial microbes and Ralstonia solanacearum were measured using the microdilution broth method. The percentage of seed germination was measured under in vitro conditions. Results NPs were spherical with a size of 16 ± 6 nm. Nano-silver at 12–40 mg l−1 inhibited the growth of bacteria. Seed application at 40 mg l−1 protected seeds from R. solanacearum and improved the rate of seed germination.

Item Type:
Journal Article
Journal or Publication Title:
Peerj
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2800
Subjects:
?? AGRICULTURAL AND BIOLOGICAL SCIENCES(ALL)BIOCHEMISTRY, GENETICS AND MOLECULAR BIOLOGY(ALL)MEDICINE(ALL)NEUROSCIENCE(ALL) ??
ID Code:
142252
Deposited By:
Deposited On:
11 Mar 2020 15:50
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Sep 2023 01:45