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Biological silicon nanoparticles maximize the efficiency of nematicides against biotic stress induced by Meloidogyne incognita in eggplant
Faculty
Agriculture
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Nashwa Ahmed Ali Mohamed Elshaer
Staff Zu Site
Abstract In Staff Site
Journal:
Saudi Journal of Biological Sciences Elsevier
Volume:
Keywords :
Biological silicon nanoparticles maximize , efficiency , nematicides
Abstract:
Nemours effective management tactics were used to reduce world crop losses caused by plant-parasitic nematodes. Nowadays the metallic nanoparticles are easily developed with desired size and shape. Nanoparticles (NPs) technology becomes a recognized need for researchers. Ecofriendly and biosafe SiNPs are developed from microorganisms. Recently, silicon nanoparticles (SiNPs) have gained novel pesticide properties against numerous agricultural pests. This study assessed the biosynthesis of SiNPs from Fusarium oxysporum SM5. The obtained SiNPs were spherical with a size of 45 nm and a negative charge of −25.65. The nematocidal effect of SiNPs against egg hatching and second-stage juveniles (J2) of root-knot nematode (RKN) (Meloidogyne incognita) was evaluated on eggplant, Solanum melongena L. plants. In vitro, all tested SiNPs concentrations significantly (p ≤ 0.05) inhibited the percentage of egg hatching at a different time of exposure than control. Meanwhile, after 72 h, the percent mortality of J2 ranged from 87.00 % to 98.50 %, with SiNPs (100 and 200 ppm). The combination between SiNPs and the half-recommended doses (0.5 RD) of commercial nematicides namely, fenamiphos (Femax 40 % EC)R, nemathorin (Fosthiazate 10 % WG) R, and fosthiazate (krenkel 75 % EC) R confirmed the increase of egg hatching inhibition and J2 mortality after exposure to SiNPs (100 ppm) mixed with 0.5 RD of synthetic nematicides. The findings suggest that the combination between SiNPs, and 0.5 RD of nematicides reduced nematode reproduction, gall formation, egg masses on roots and final population of J2 in the soil. Therefore, improving the plant growth parameters by reducing the M. incognita population.
Author Related Publications
Nashwa Ahmed Ali Mohamed Elshaer, "Crosstalk of EGFR signalling with Notch and Hippo pathways to regulate cell specification, migration and proliferation in cockroach panoistic ovaries", © 2015 Société Française des Microscopies and Société de Biologie Cellulaire de France. Published by John Wiley & Sons Ltd, 2015
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Nashwa Ahmed Ali Mohamed Elshaer, "The Notch pathway regulates both the proliferation and differentiation of follicular cells in the panoistic ovary of Blattella germanica", royal society, 2016
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Nashwa Ahmed Ali Mohamed Elshaer, "Eyes absent in the cockroach panoistic ovaries regulates proliferation and differentiation through ecdysone signalling", elsevier, 2020
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Nashwa Ahmed Ali Mohamed Elshaer, "Effects of rhizobacteria and seed oils as eco-friendly agents against Meloidogyne incognita infested pepper plants under greenhouse and repeated applications field conditions", Elsevier, 2022
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Nashwa Ahmed Ali Mohamed Elshaer, "Biosafety evaluation for two products from Beauveria bassiana on adult female albino rats by acute oral test", Elsevier, 2022
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Department Related Publications
Elsayed Abdel Malek Elmadany Elsheikh, "Improved insecticidal efficacy of a recombinant baculovirus expressing mutated JH esterase from Manduca sexta", Biological Control 58 (2011) 354–361, 2011
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