EVALUATION OF THE BIOLOGICAL EFFICACY OF COMBINED BIOPREPARATIONS AGAINST LARVAE OF THE PHYTOPHAGOUS PEST AGROTIS SEGETUM
This article investigates the biological efficacy of biopreparations based on Bacillus thuringiensis and Trichoderma lignorum
against the larvae of Agrotis segetum, one of the dangerous pests of agricultural crops. According to the results of laboratory
experiments, the combined preparation based on these microorganisms exhibited high entomocidal activity and caused 100%
mortality of the larvae within a short period. The results indicate a synergistic effect of the biopreparations and confirm the
prospects for their application as an environmentally safe biological plant protection agent.
1. Basir, F.A., Banerjee, A., Ray, S., 2019. Role of farming awareness in crop pest management: A mathematical model. Journal
of Theoretical Biology 461, 59–67.
2. Gurung, K., Wertheim, B., Falcao Salles, J., 2019. The microbiome of pest insects: It is not just bacteria. Entomologia
Experimentalis et Applicata 167, 156–170.
3. Savary, S., Willocquet, L., Pethybridge, S.J., Esker, P., McRoberts, N., Nelson, A., 2019. The global burden of pathogens
and pests on major food crops. Nature Ecology & Evolution 3, 430–439.
4. Napiorkowska, K.J., Gawowska, J., 2004. Increase of harmfulness of caterpillars (Hadeninae and Noctuinae, Lepidoptera:
Noctuidae) on cabbage and other cole crops. Progress in Plant Protection 44, 978–980.
5. Li, L., Xiu, C., Lu, W., Lu, Y., 2020. Electrophysiological and behavioral responses of Agrotis segetum adults to 15 plant
volatiles. Xinjiang Agricultural Sciences 57(11), 2020–2027.
6. Guo, J.L., Fu, X.W., Zhao, X.C., Wu, K.M., 2016. Preliminary study on the flight capacity of Agrotis segetum (Lepidoptera:
Noctuidae). Journal of Environmental Entomology 38, 888–895.
7. Lutz, A.L., Bertolaccini, I., Scotta, R.R., Curis, M.C., Favaro, M.A., Fernandez, L.N., et al., 2018. Lethal and sublethal effects
of chlorantraniliprole on Spodoptera cosmioides (Lepidoptera: Noctuidae). Pest Management Science 74, 2817–2821.
8. Tabashnik, B. E., Brévault, T., & Carrière, Y. (2013). Insect resistance to Bt crops: Lessons from the first billion acres. Nature
Biotechnology, 31, 510.
9. Castro, B. M. D. C., Martinez, L. C., Barbosa, S. G., Serrão, J. E., Wilcken, C. F., Soares, M. A., Silva, A. A. D., Carvalho,
A. G. D., & Zanuncio, J. C. (2019). Toxicity and cytopathology mediated by Bacillus thuringiensis in the midgut of Anticarsia
gemmatalis (Lepidoptera: Noctuidae). Scientific Reports, 9, 6667.
10. Armengol, G., Escobar, M. C., Maldonado, M. E., & Orduz, S. (2007). Diversity of Colombian strains of Bacillus
thuringiensis with insecticidal activity against dipteran and lepidopteran insects. Journal of Applied Microbiology, 102, 77–
88.
11. Vidhate, R.P., Dawkar, V.V., Punekar, S.A., Giri, A.P., 2023. Genomic determinants of entomopathogenic fungi and their
involvement in pathogenesis. Microbial Ecology 85, 49–60.
12. Wang, Y., Li, Y., Yang, J., Ruan, J., Sun, C., 2016. Microbial volatile organic compounds and their application in
microorganism identification in foodstuff. Trends in Analytical Chemistry 78, 1–16.
Copyright (c) 2026 «ACTA NUUz»

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.




.jpg)

1.png)




