Insecticidal potential of native diatomaceous earth against sitophilus granarius (Coleoptera: Curculionidae)

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dc.contributor.authorSalim, Muhammad
dc.contributor.authorGökçe, Ayhan
dc.contributor.authorNaqqash, Muhammad Nadir
dc.contributor.authorErsoy, Orkun
dc.date.accessioned2024-11-07T10:39:44Z
dc.date.available2024-11-07T10:39:44Z
dc.date.issued2020
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe granary weevil, Sitophilus granarius is one of the serious pests of cereal crops worldwide. To control this pest, diatomaceous earth (DE) formulation consisted of diatoms, obtained from Nigde Province, Turkey, was tested against adults of the granary weevil, Sitophilus granarius (L.) under laboratory conditions (25±1°C, 60±5% RH). Diatomaceous earth was applied to wheat grain at the rates of 100, 250, 300, 500, 750, 1000, 1500 and 2000 mg/Kg. Adult mortalities were assessed after 7, 14 and 21 days. Mortality rates rose with increases in dosage and length of exposure. Significantly higher mortality (89.75±3.66%) after one week occurred in grains treated with the highest concentration (2000 mg/Kg). At the highest concentration (2000 mg/Kg), the mortality reached as high as 100% after 2 weeks, while the lowest significant percent mortality (1.00±1.00%) was recorded in the control one week after exposure and only increased to 3.53±0.00% after 3 weeks. Percent weight loss in grain was also determined after 21 days. A significantly higher percent weight loss (7.29±0.11%) was found in the control, while no weight loss was observed in grains treated with the highest concentration (2000 mg/Kg). The grains were also observed for adult emergence for a period of 45 days. More than 90% reduction in adult emergence was recorded at concentrations of 1500 and 2000 mg/Kg. Conversely, the highest number of adults emerged at a dosage of 100 mg/Kg and in the control, i.e. 114.67±7.42 and 143.33±11.66 adults, respectively. The present study proposed that DE might potentially be effective in controlling S. granarius based on its ability to cause desiccation to the insects' protective cuticular wax layer. In order to develop environmentally sound control programs for in sito management of granary weevils, it will be necessary to expand the present study based on life table to get a comprehensive understanding and to determine the effect DE has on granary weevils and other grain pests when it is combined with plant extracts. © 2020 ResearchersLinks Ltd.
dc.description.sponsorshipTUBITAK
dc.identifier.doi10.17582/JOURNAL.SJA/2020/36.2.729.733
dc.identifier.endpage733
dc.identifier.issn1016-4383
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85087609549
dc.identifier.scopusqualityQ3
dc.identifier.startpage729
dc.identifier.urihttps://doi.org/10.17582/JOURNAL.SJA/2020/36.2.729.733
dc.identifier.urihttps://hdl.handle.net/11480/11150
dc.identifier.volume36
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherResearchersLinks Ltd
dc.relation.ispartofSarhad Journal of Agriculture
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectDiatomaceous earth
dc.subjectDose-response mortality
dc.subjectProgeny emergence
dc.subjectSitophilus granarius
dc.subjectWeight loss
dc.titleInsecticidal potential of native diatomaceous earth against sitophilus granarius (Coleoptera: Curculionidae)
dc.typeArticle

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