Efficacy of Diatomaceous Earth for the control of Sitophilus zeamais Motschulsky in a metallic silo

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Leonel Marrero Artabe
Joaquín Torrent Molina
Noslén Velázquez Carrera
Vladimir Socorro Fuentes
Minerva Ramírez González

Abstract

The efficacy of Diatomaceous Earth (Protect IT ®) was tested for the control of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) in a metallic silo of Matanzas province, Cuba. A random design was arranged and three groups were evaluated: Protect IT (90 % of diatomaceous earth), a positive control (Actellic CE 50) and an untreated control. The diatomaceous earth and Actellic were evaluated at 9.0 kg PC. ton - 1 and 12.0 ml. ton - 1, respectively. The dose of Diatomaceous Earth tested showed insecticide activity with 100 % mortality percentage during the first 60 days, without statistical differences with the Actellic insecticide. After three months, the insect mortality was 60 %, with statistical differences with the chemical insecticide. The results suggest the potentialities of Diatomaceous Earth (Protect IT ®) as an alternative for management of S. zeamais in metallic silos and for reducing the use of chemicals in corn grain storage.

Article Details

How to Cite
Marrero Artabe, L., Torrent Molina, J., Velázquez Carrera, N., Socorro Fuentes, V., & Ramírez González, M. (2020). Efficacy of Diatomaceous Earth for the control of Sitophilus zeamais Motschulsky in a metallic silo. Revista De Protección Vegetal, 35(1). Retrieved from https://revistas.censa.edu.cu/index.php/RPV/article/view/1083
Section
SHORT COMMUNICATIONS

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