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Entomopathogenic Fungus and Enhanced Diatomaceous Earth: The Sustainable Lethal Combination against Tribolium castaneum

Author

Listed:
  • Waqas Wakil

    (Department of Entomology, University of Agriculture, Faisalabad 38040, Pakistan
    Senckenberg German Entomological Institute, D-15374 Müncheberg, Germany)

  • Nickolas G. Kavallieratos

    (Laboratory of Agricultural Zoology and Entomology, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos str, 11855 Athens, Greece)

  • Erifili P. Nika

    (Laboratory of Agricultural Zoology and Entomology, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos str, 11855 Athens, Greece)

  • Tahira Riasat

    (Department of Entomology, University of Agriculture, Faisalabad 38040, Pakistan
    Department of Zoology, Government College University, Faisalabad 38000, Pakistan)

  • Muhammad Usman Ghazanfar

    (Department of Plant Pathology, College of Agriculture, Sargodha University, Sargodha 40100, Pakistan)

  • Khawaja G. Rasool

    (Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia)

  • Mureed Husain

    (Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia)

  • Abdulrahman S. Aldawood

    (Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia)

Abstract

This study determined the efficacy of the Beauveria bassiana (Balsamo-Crivelli) Vuillemin (Hypocreales: Cordycipitaceae) alone or combined with the diatomaceous earth DEA (a mixture of DE + abamectin) against adults and larvae of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). DEA was evaluated at 50 ppm while the fungi at 1.6 × 10 5 , 1.6 × 10 6 , and 1.6 × 10 7 conidia/kg wheat). Mortalities were assessed after 7 or 14 days of exposure, while progeny reduction in adults after 30, 60, 90, or 120 days. The radial fungus growth was significantly affected by the dose of DEA. Mortalities were higher in the combined treatments compared to the application of DEA or B. bassiana alone for both larvae and adults. Larvae were more susceptible than adults in all treatments and exposure intervals. Insect survival and progeny production were recorded for four months. Significantly fewer progeny was noted on wheat treated with DEA + B . bassiana treatments compared with control. The maximum number of mycosed cadavers and the rate of sporulation were observed at the lowest dose of B. bassiana alone, followed by the higher doses gradually. These findings indicate that the DEA + B. bassiana combinations can efficiently control T. castaneum, providing long-term protection of wheat.

Suggested Citation

  • Waqas Wakil & Nickolas G. Kavallieratos & Erifili P. Nika & Tahira Riasat & Muhammad Usman Ghazanfar & Khawaja G. Rasool & Mureed Husain & Abdulrahman S. Aldawood, 2023. "Entomopathogenic Fungus and Enhanced Diatomaceous Earth: The Sustainable Lethal Combination against Tribolium castaneum," Sustainability, MDPI, vol. 15(5), pages 1-13, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:5:p:4403-:d:1084823
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