2014
DOI: 10.1590/1807-1929/agriambi.v18n08p861-865
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Atividade repelente e inseticida do óleo essencial de carqueja doce sobre o caruncho do feijão

Abstract: R E S U M OCom este trabalho se avaliaram o índice de preferência e o efeito inseticida do óleo de carqueja doce (Baccharis articulata) sobre o caruncho do feijão (Acanthoscelides obtectus). Para a realização do experimento foram utilizados insetos não sexados, com idade entre 20 e 50 dias. O óleo essencial foi extraido da parte aérea da planta pelo método de hidrodestilação. O experimento foi conduzido conforme o delineamneto inteiramente casualizado, com 6 repetições, em esquema fatorial 6 x 3 e 6 x 7 (dose … Show more

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Cited by 13 publications
(9 citation statements)
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References 12 publications
(11 reference statements)
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“…obtectus mortality rates higher than 95 % were also observed by Santos et al (2007) 48 h after the application of Schinus terebinthifolius essential oil with dilutions higher than 10 -2 , and by Savaris et al (2012) after 24 h of Cunila angustifolia essential oil application at doses greater than 0.001 mL cm -2 . Campos et al (2014) observed, after 2 h of insect infestation, a mortality rate higher than 95 %, when Baccharis articulata essential oil at a dose of 5.0 L t -1 of grains was applied.…”
Section: Resultsmentioning
confidence: 88%
See 1 more Smart Citation
“…obtectus mortality rates higher than 95 % were also observed by Santos et al (2007) 48 h after the application of Schinus terebinthifolius essential oil with dilutions higher than 10 -2 , and by Savaris et al (2012) after 24 h of Cunila angustifolia essential oil application at doses greater than 0.001 mL cm -2 . Campos et al (2014) observed, after 2 h of insect infestation, a mortality rate higher than 95 %, when Baccharis articulata essential oil at a dose of 5.0 L t -1 of grains was applied.…”
Section: Resultsmentioning
confidence: 88%
“…The regression model shows an increase in the percentage of insect repellency with increasing doses of S. officinalis essential oil (Figure 4) Campos et al (2014) observed repellency of Baccharis trimera essential oil on A. obtectus at doses above 0.5 L t -1 . The repellent activity caused by essential oils in insects is mainly due to the major compounds present in its composition (Knaak & Fiúza 2010), through contact action, interacting with the insect integument, as well as acting in digestive and neurological enzymes (Soares et al 2012).…”
Section: Resultsmentioning
confidence: 92%
“…Na agricultura, os conhecimentos etnobotânicos, principalmente sobre as plantas medicinais, são fundamentais para a construção de agroecossistemas mais sustentáveis. Em decorrência dos impactos negativos da utilização de agrotóxicos na agricultura convencional, nos últimos anos temse intensificado o interesse pelos defensivos naturais (CAMPOS et al, 2014). A utilização de extratos vegetais rompe esse círculo vicioso de uso de agrotóxicos, recuperando a estabilidade dos agroecossistemas e a independência dos insumos externos (LOVATTO et al, 2012;ALTIERI, 2012).…”
Section: Introductionunclassified
“…Due to health and environmental problems associated to synthetic chemical compounds used to control weevil in stored seeds and grains, researches have recently focused their efforts on finding alternative substances that have less impact on non-target organisms (Lima-Mendonça et al, 2013;Ootani et al, 2013). Among the studied possibilities, animal and vegetable oils (Mateus et al, 2017;Campos et al, 2014), diatomaceous earth (Lima et al, 2014;Silva et al, 2012), and dry powdered plant products (Melo et al, 2014) have stood out, owing to their potential of use.…”
Section: Introductionmentioning
confidence: 99%