Insecticidal activity of Tagetes erecta extracts on spodoptera frugiperda (Lepidoptera: Noctuidae)

David Osvaldo Salinas-Sánchez, Lucila Aldana-Llanos, Ma Elena Valdés-Estrada, Mirna Gutiérrez-Ochoa, Guadalupe Valladares-Cisneros, Evelyn Rodríguez-Flores

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29 Scopus citations

Abstract

The bioinsecticidal activity of organic extracts of Tagetes erecta L. (Asteraceae) was evaluated on neonate larvae of Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) a major maize pest in the world. The acetone leaf extract (500 ppm) of T. erecta induced an antifeedant effect, causing a 50% reduction of larval weight in comparison with the control. Larval weights were drastically reduced at 7 d, but even more so at 14 d, when T. erecta extracts also caused substantial mortality. Three leaf extracts of T. erecta caused high larval mortality, with hexane (48%), acetone (60%) and ethanol (72%). Further T. erecta leaf extracts caused pupal mortalities of 4080%. The use of such plant extracts can be proposed as bioinsecticides to control S. frugiperda, in a more environment-friendly manner.

Original languageEnglish
Pages (from-to)428-432
Number of pages5
JournalFlorida Entomologist
Volume95
Issue number2
DOIs
StatePublished - Jun 2012

Keywords

  • bioinsecticide
  • organic extracts

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