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The effect of conidia density and application frequency of the entomopathogenic fungus Aschersonia aleyrodis in controlling silverleaf whitefly (Bemisia tabaci) on tomato (Solanum lycopersicum Linnaeus)

Author

Listed:
  • Sudarjat

    (Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran, Sumedang, Indonesia)

  • Fitri Widiantini

    (Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran, Sumedang, Indonesia)

  • Yula Salsabila

    (Department of Agronomy, Faculty of Agriculture, Universitas Padjadjaran, Sumedang, Indonesia)

  • Syariful Mubarok

    (Department of Agronomy, Faculty of Agriculture, Universitas Padjadjaran, Sumedang, Indonesia)

Abstract

One of several important pests that attack tomato plants is the silverleaf whitefly (Bemisia tabaci) (Hemiptera: Aleyrodidae). An eco-friendly method to control B. tabaci utilizes the entomopathogenic fungus, namely Aschersonia aleyrodis. This study aimed to determine the effect of A. aleyrodis conidia density and the frequency of its application to control silverleaf whitefly (B. tabaci) pest on tomato plants under screen house conditions. This study used a randomized completely block design (RCBD) to test ten combination treatments. Each treatment was repeated three times. The results showed that application of A. aleyrodis at conidia densities of 106 conidia/mL, 107 conidia/mL, and 108 conidia/mL with an application frequency of up to once every three weeks was still effective in controlling B. tabaci populations on tomato plants. The highest population suppression rates for B. tabaci (90.6%), tomato yield (1 009 g/plant and 16 fruits/plant), percentage of mycosis (96.6%), and percentage of mummification (97.3%) were found to occur at a conidia density of 108 conidia/mL with the application frequency of once a week.

Suggested Citation

  • Sudarjat & Fitri Widiantini & Yula Salsabila & Syariful Mubarok, 2024. "The effect of conidia density and application frequency of the entomopathogenic fungus Aschersonia aleyrodis in controlling silverleaf whitefly (Bemisia tabaci) on tomato (Solanum lycopersicum Linnaeu," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 60(1), pages 80-88.
    • Handle: RePEc:caa:jnlpps:v:60:y:2024:i:1:id:74-2023-pps
    DOI: 10.17221/74/2023-PPS
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