2005
DOI: 10.1590/s1519-566x2005000200021
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Bioatividade da erva-de-santa-maria, Chenopodium ambrosioides L., sobre Sitophilus zeamais Mots. (Coleoptera: Curculionidae)

Abstract: Neotropical Entomology 34(2): 319-323 (2005) Bioactivity of the Mexican-Tea, Chenopodium ambrosioides L., towards Sitophilus zeamais Mots.(Coleoptera: Curculionidae)ABSTRACT -This work deals with the influence of the powder and aqueous extracts of Chenopodium ambrosioides L. on behaviour and survival of the maize weevil, Sitophilus zeamais Mots. The powders tested were obtained from leaves, branches, fruits and the whole plant (with fruits), when the plant was in the fructification period. The insects were … Show more

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Cited by 31 publications
(15 citation statements)
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References 5 publications
(11 reference statements)
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“…The aqueous extracts of the leaves and the roots (0.1 v/v) showed insecticidal activity against the mots with IC 50 value of 50.0 and 52.5, respectively. This activity was also observed by Tavares and Vendramim (2005) when used the same plant extracts and same strain with minimal insecticidal activity of 50%. At 0.2 v/v of concentration, the aqueous extracts of the leaves and the roots showed the IC 50 values of 80 and 90 on the second day of the treatment ( Table 2).…”
Section: Results and Discussion:-supporting
confidence: 66%
“…The aqueous extracts of the leaves and the roots (0.1 v/v) showed insecticidal activity against the mots with IC 50 value of 50.0 and 52.5, respectively. This activity was also observed by Tavares and Vendramim (2005) when used the same plant extracts and same strain with minimal insecticidal activity of 50%. At 0.2 v/v of concentration, the aqueous extracts of the leaves and the roots showed the IC 50 values of 80 and 90 on the second day of the treatment ( Table 2).…”
Section: Results and Discussion:-supporting
confidence: 66%
“…However, the plant species evaluated in this study were selected on the basis of their biocidal potential, their taxonomic status (genus/family), or their constituents. According to Tavares & Vendramim (2005), the availability of active compounds in plants may vary depending on the solvent used in the preparation of the extracts. This finding indicates that the possibility of detecting biocidal activities in these plant species or finding extracts with higher toxicity should not be ignored.…”
Section: Resultsmentioning
confidence: 99%
“…Para avaliação da repelência de Tagetes patula sobre Sitophilus zeamais, foi utilizada uma arena formada por cinco caixas plásticas circulares (6,0 cm de diâmetro e 2,0 cm de altura), sendo a caixa central interligada simetricamente às demais por tubos plásticos, dispostos diagonalmente (Mazzonetto & Vendramim 2003;Procópio et al 2003;Tavares & Vendramim 2005).…”
Section: Methodsunclassified
“…1, alfa pineno; 2, sabineno; 3, limoneno; 4, trans ocimeno; 5, farnesol; 6, terpinoleno; 7, piperitone; 8, beta-cariofileno; 9, neofitadieno. Tabela I. Lista de compostos selecionados dos cromatogramas após análise por cromatografia gasosa acoplada a espectrometria de massa de flores de Tagetes patula. (Tavares & Vendramim 2005). Em estudos realizados com óleo de Allium sativum (L.) (Liliaceae), Ho et al (1996) relataram a mortalidade e redução na emergência de adultos de Tribolium castaneum e Sitophilus zeamais.…”
Section: Bioensaios Com Sitophilus Zeamais E óLeo Essencial De Tageteunclassified