EFFICIENCY OF ENTOMOPATHOGENIC BACTERIA IN THE CONTROL OF GREENHOUSE WHITEFLY

To‘xtamisheva Nilufar Alisher qizi,Bo‘sinov Muhiddin Laziz o‘g‘li,Jumanazarov G‘ayrat Xusanovich

Authors

To‘xtamisheva Nilufar Alisher qizi,Bo‘sinov Muhiddin Laziz o‘g‘li,Jumanazarov G‘ayrat Xusanovich Master’s Student, Tashkent State Agrarian University,Scientific Supervisor,Senior Lecturer,Associate Professor

Keywords:

entomopathogenic bacteria, greenhouse whitefly, Trialeurodes vaporariorum, biological control, Bacillus thuringiensis, pest management, biopesticides, greenhouse agriculture, sustainable agriculture

Abstract

This study investigates the effectiveness of entomopathogenic bacteria in controlling greenhouse whitefly (Trialeurodes vaporariorum) populations under controlled greenhouse conditions. The research was conducted using a randomized experimental design involving biological treatments based on Bacillus thuringiensis and mixed bacterial formulations, compared with a chemical insecticide and an untreated control. Key parameters such as pest population density, mortality rate, and biological efficacy were evaluated over a 21-day period. The results demonstrated that entomopathogenic bacteria significantly reduced whitefly populations, with mixed bacterial formulations showing the highest efficacy among biological treatments. Although chemical insecticides provided rapid initial suppression, biological treatments ensured more stable and sustainable pest control over time. Additionally, treated plants exhibited improved physiological condition, reduced leaf damage, and enhanced overall growth. The findings highlight the potential of entomopathogenic bacteria as eco-friendly alternatives to chemical pesticides and support their integration into sustainable pest management systems in greenhouse agriculture.

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