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- W3134301090 abstract "Summary Alkaloids and alkaloid-producing plants have the potential to reduce crop damage by plant-parasitic nematodes. In a series of in vitro experiments, the nematicidal activity of the tropane alkaloids, hyoscyamine and scopolamine, and a mixture of both on the root-knot nematode, Meloidogyne incognita , was tested. Solutions of 16 mg of compound per ml of solvent were used in concentrations of 80-1280 μ g ml −1 of water. Inactivity of second-stage juveniles of M. incognita increased with increasing concentration and exposure time. Lethal concentrations (LC 50 ) after 120 min of exposure ranged from 182.4 μ g ml −1 for scopolamine to 318.4 μ g ml −1 for hyoscyamine and 332.8 μ g ml −1 for the combination of both alkaloids. Similarly, the same concentrations of scopolamine inhibited hatching of M. incognita to a greater extent than hyoscyamine. In a glasshouse experiment, M. incognita was not able to penetrate the roots, induce galls and reproduce on Datura stramonium , D. innoxia and D. tatula . Results indicate that the tropane alkaloids hyoscyamine and scopolamine contained in Datura plants express a strong nematicidal activity against M. incognita and could possibly be used for an alternative and sustainable nematode management." @default.
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- W3134301090 date "2021-02-25" @default.
- W3134301090 modified "2023-09-27" @default.
- W3134301090 title "Nematicidal activity of the tropane alkaloids hyoscyamine and scopolamine against the root-knot nematode Meloidogyne incognita" @default.
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- W3134301090 doi "https://doi.org/10.1163/15685411-bja10074" @default.
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