نتایج جستجو برای: fumigant toxicity
تعداد نتایج: 118505 فیلتر نتایج به سال:
To investigate the chemical composition and insecticidal activity of the essential oils of certain Chinese medicinal herbs and spices, the essential oils were extracted from the stem barks, leaves, and fruits of Cinnamomum camphora (L.) Presl, which were found to possess strong fumigant toxicity against Tribolium castaneum and Lasioderma serricorne adults. The essential oils of the plants were ...
essential oil extracted from the leaves of lemon verbena, lippia citriodora kunth (verbenaceae) was tested for fumigant toxicity in the laboratory against two stored-product insects tribolium confusum jacquelin du val and callosobruchus maculatus (f.). the chemical composition of the isolated oil was examined by gc-ms. the major compounds were citral (11.3%), limonene (10.6%), neral (7.9%), 4-p...
fumigant toxicity of rosemary essential oil on abamectin-resistant vs. susceptible populations of two spotted spider mites, tetranychus urticae koch was studied under laboratory conditions. results indicated that fumigant toxicity of rosemary essential oil on the susceptible population was 3.06 times higher than that of the resistant one. accordingly, there was a slight cross resistance observe...
In our screening program for new agrochemicals from Chinese medicinal herbs and wild plants, Zanthoxylum schinifolium essential oils were found to possess strong insecticidal activity against the maize weevil Sitophilus zeamais. The essential oils of Z. schinifolium fruits and leaves were extracted via hydrodistillation and investigated by GC and GC-MS. Estragole (69.52%) was the major compound...
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