Ecofriendly synthesis and nematicidal application of copper nanoparticles fabricated from Bacillus subtilis AM18, against root-knot nematode of cucumber

The potential application of biological copper (Cu) nanoparticles (BCuNPs) as fungicides, insecticides, and fertilizers has piqued the interest of agricultural scientists. In the current study, BCuNPs were biosynthesized by an isolate of Bacillus , which was determined to be Bacillus subtilis subsp....

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Bibliographic Details
Published in:European journal of plant pathology 2024, Vol.168 (1), p.53-81
Main Authors: El-Ashry, Ramadan M., Nader, Maha M., Shami, Ashwag, Alduwish, Manal A., Ahmed, Ahmed Ezzat, Alamoud, Soha A., Allohibi, Aminah, Alqahtani, Fatimah S., Alghamdi, Amira M., Ahmed, Alshaymaa I., Hassan, Mokhles A. A., Awad, Salonaz E., El-Tarabily, Khaled A.
Format: Article
Language:English
Subjects:
Abamectin
Agricultural practices
Agriculture
Agrochemicals
Bacillus subtilis
Biocompatibility
Biomedical and Life Sciences
Copper
Cucumbers
Distilled water
Ecology
Eggs
Farm buildings
Fourier transforms
Fungicides
Gall
Galls
Hatching
In vivo methods and tests
Insecticides
Integrated pest management
Life Sciences
Light scattering
Management systems
Meloidogyne incognita
Nanoparticles
Nematicides
Pest control
Photon correlation spectroscopy
Plant Pathology
Plant Sciences
Population density
Root knot
Soils
Spectroscopy
Synergistic effect
Transmission electron microscopy
Vegetables
Zeta potential
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Summary:The potential application of biological copper (Cu) nanoparticles (BCuNPs) as fungicides, insecticides, and fertilizers has piqued the interest of agricultural scientists. In the current study, BCuNPs were biosynthesized by an isolate of Bacillus , which was determined to be Bacillus subtilis subsp. subtilis . This strain can tolerate copper concentrations up to 12 mM and reduce copper by synthesizing BCuNPs. Ultraviolet-visible spectroscopy, dynamic light scattering (DLS), Zeta potential, Fourier transform infrared (FTIR), and transmission electron microscopy (TEM) equipment were used to characterize BCuNPs. As assessed by TEM and DLS, they ranged in size from 15 to 45 nm, with an average particle size of 23 nm. It was necessary to conduct both in vitro and in vivo studies to confirm the nematicidal activity of the fabricated BCuNPs on the infective second-stage juveniles (J2s) and eggs of Meloidogyne incognita the causal agent of root knot disease of cucumber. The in vitro application of different concentrations (100, 125, 150, 175, 200, 225, and 250 ppm) of BCuNPs significantly ( P
ISSN:0929-1873
1573-8469
DOI:10.1007/s10658-023-02727-7