Seed treatment strategies combining Bacillus amyloliquefaciens and insecticides for management of the emerging soil pest Scutigerella immaculata in soybean

Authors

  • Adilson Moraes Santos Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil
  • João Batista Coelho Sobrinho Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil https://orcid.org/0000-0002-4489-0004
  • Yamile Salvatierra Nuñez Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil https://orcid.org/0009-0001-8232-5399
  • Luciana Barboza Silva Programa de Pós-Graduação em Ciências Agrárias, Universidade Federal do Piauí - Campus Professora Cinobelina Elvas, (CPCE), Planalto Horizonte-BR Bom Jesus, Brazil https://orcid.org/0000-0002-7127-600X
  • Matheus Henrique dos Santos Oliveira Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil https://orcid.org/0009-0009-1983-4658
  • Allison Samara Zabala Ramos Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil
  • Lucas Adjuto Ulhoa Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil https://orcid.org/0000-0001-8155-5670
  • Jardel Lopes Pereira Programa de Pós-Graduação em Bioenergia e Grãos, Instituto Federal Goiano, Campus Rio Verde, Rodovia Sul Goiana, Rio Verde-GO, Brazil https://orcid.org/0000-0001-5077-0466
  • Luiz Leonardo Ferreira Unidade de Biociência, Curso de Agronomia., Centro Universitário de Mineiros, ineiros-GO, Brazil https://orcid.org/0000-0001-5444-8503
  • Alexandre Igor Azevedo Pereira Programa de Pós-Graduação em Proteção de Plantas, Centro de Excelência em Bioinsumos (CEBIO), Instituto Federal Goiano- Campus Urutaí, Rodovia Prof. Geraldo Silva Nascimento, rutaí-GO, Brazil https://orcid.org/0000-0001-7957-6691

DOI:

https://doi.org/10.24425/jppr.2026.3358

Keywords

biological control, chemical, crop protection, Glycine max, Scutigerellidae

Topics

Virology and Bacteriology
Biological Control

Abstract

Scutigerella immaculata (Symphyla: Scutigerellidae) causes increasing problems in soybean-producing areas of Brazil, particularly in MATOPIBAPA, one of the country’s most recent agricultural frontiers. This study evaluated soybean seed treatments for the control of S. immaculata, using Bacillus amyloliquefaciens applied alone or combined with chemical insecticides, and assessed pest sampling methods and soybean responses to these treatments. Soybean seeds were treated on the day of planting in the municipality of Açailândia, Maranhão State, Brazil. The experiment was conducted under field conditions in a completely randomized design with nine treatments and four replicates. The treatments (T) were T1: untreated control, T2: fipronil, T3: bifenthrin + imidacloprid, T4: clothianidin, T5: B. amyloliquefaciens, T6: clothianidin + fipronil, T7: clothianidin + lambda-cyhalothrin, T8: clothianidin + fipronil + B. amyloliquefaciens, and T9: cyantraniliprole + lambda-cyhalothrin + thiamethoxam + abamectin. S. immaculata was sampled using potato baits placed in the soil and by direct counting on plant roots. Evaluated parameters included plant height, seedling emergence, seed germination, and fresh root and shoot mass, which showed significant differences among treatments. Direct counting on plant roots detected more individuals than bait sampling. Among the treatments, T7 resulted in the lowest mean number of S. immaculata individuals. Pest population peaks occurred between 60 and 90 days after planting. Further studies are needed to clarify the effectiveness of the evaluated biological product and to determine the contribution of soybean seed treatment to the control and integrated management of this emerging pest.

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Published

2026-08-28

How to Cite

Santos, Adilson Moraes, et al. “Seed Treatment Strategies Combining Bacillus Amyloliquefaciens and Insecticides for Management of the Emerging Soil Pest Scutigerella Immaculata in Soybean”. Journal of Plant Protection Research, Aug. 2026, doi:10.24425/jppr.2026.3358.

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