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Nematicidal effect of Raphasatin from Raphanus sativus against Meloidogyne incognita Cover

Nematicidal effect of Raphasatin from Raphanus sativus against Meloidogyne incognita

Journal of Nematology
Volume 54 (2022): Issue 1 (February 2022)
By: Nadhem Aissani and  Hichem Sebai  
Open Access
|Nov 2022

Figures & Tables

Figure 1

Dose–response relationship between extract concentration and percentage of J2 inhibition. RAE, Raphanus sativus aqueous extracts; RME, Raphanus sativus methanol extract.
Dose–response relationship between extract concentration and percentage of J2 inhibition. RAE, Raphanus sativus aqueous extracts; RME, Raphanus sativus methanol extract.

Figure 2

Nematodes treated by 5 μg/ml of raphasatin (A) or fosthiazate (B). Nematodes were paralyzed in a straight shape, and internal vacuoles were evident in (A) while in (B) they were paralyzed in a coiling shape.
Nematodes treated by 5 μg/ml of raphasatin (A) or fosthiazate (B). Nematodes were paralyzed in a straight shape, and internal vacuoles were evident in (A) while in (B) they were paralyzed in a coiling shape.

Correlation between nematicidal and antioxidant activity of the tested compounds (n = 3)_

CompoundMW (g/mol)EC50/24 h (μg/ml)EC50 DPPH (μg/ml)
Raphasatin159.271.3 ± 0.292 ± 18
Benzylisothiocyanate149.211.9 ± 0.3a90 ± 17
Erucin165.213.2 ± 1.7a43 ± 12
Allylisothiocyanate99.156.6 ± 2.5a32 ± 4.3
Methylisothiocyanate73.127.9 ± 3.1a20 ± 2.6
Pentylisothiocyanate129.2311.1 ± 5.0a9.4 ± 1.7
Hexylisothiocyanate127.1811.3 ± 2.6ant
Butylisothiocyanatec115.2012 ± 8.0a9.1 ± 1.5
Sulforaphane177.3152 ± 35ant
Iberin163.3180 ± 21a6.55 ± 1.1
Isobutylisothiocyanate115.20>200a5.3 ± 0.9
Phenylisothiocyanate135.19>1,000a2.6 ± 0.7
Fosthiazate283.350.4 ± 0.3ant
Ascorbic acid170.12nt1.15 ± 0.9b
DOI: https://doi.org/10.2478/jofnem-2022-0050 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X
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Language: English
Submitted on: May 31, 2022
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Published on: Nov 17, 2022
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
DPPH,
isothiocyanates,
raphasatin
Related subjects:
Life sciences,
Life sciences, other

© 2022 Nadhem Aissani, Hichem Sebai, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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