Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky

In stored grains, the main agents diminishing production are insects, which can produce losses between 20% and 80% before harvest or under storage. The insecticidal properties of the essential oil of fresh leaves of Peumus boldus Molina against maize weevil (Sitophilus zeamais Motschulsky) adults we...

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Autores principales:	Betancur R,Jessica, Silva A,Gonzalo, Rodríguez M,J. Concepción, Fischer G,Susana, Zapata S.M,Nelson
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2010
Materias:	Maize weevil boldus stored grains botanical insecticides
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000300007
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spelling	oai:scielo:S0718-583920100003000072018-10-01Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais MotschulskyBetancur R,JessicaSilva A,GonzaloRodríguez M,J. ConcepciónFischer G,SusanaZapata S.M,Nelson Maize weevil boldus stored grains botanical insecticides In stored grains, the main agents diminishing production are insects, which can produce losses between 20% and 80% before harvest or under storage. The insecticidal properties of the essential oil of fresh leaves of Peumus boldus Molina against maize weevil (Sitophilus zeamais Motschulsky) adults were determined under laboratory conditions. The highest mortality (100%) was achieved at 4% concentration by contact with a treated glass surface. The same concentration in impregnated corn (Zea mays L.) grain, resulted in 98.7% mortality. Mortality by fumigant action at 6 h was 100% with 35 µL oil in 0.15 L (air volume). Concentrations 1, 2 and 4% of essential oil produced 0% F1 adult emergence. At 10 d of residual effect, the 4% concentration reached 63.7% mortality. All treatments were repellent to adults of S. zeamais and corn grain germination was not affected by any treatment.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.70 n.3 20102010-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000300007en10.4067/S0718-58392010000300007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Maize weevil boldus stored grains botanical insecticides
spellingShingle	Maize weevil boldus stored grains botanical insecticides Betancur R,Jessica Silva A,Gonzalo Rodríguez M,J. Concepción Fischer G,Susana Zapata S.M,Nelson Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
description	In stored grains, the main agents diminishing production are insects, which can produce losses between 20% and 80% before harvest or under storage. The insecticidal properties of the essential oil of fresh leaves of Peumus boldus Molina against maize weevil (Sitophilus zeamais Motschulsky) adults were determined under laboratory conditions. The highest mortality (100%) was achieved at 4% concentration by contact with a treated glass surface. The same concentration in impregnated corn (Zea mays L.) grain, resulted in 98.7% mortality. Mortality by fumigant action at 6 h was 100% with 35 µL oil in 0.15 L (air volume). Concentrations 1, 2 and 4% of essential oil produced 0% F1 adult emergence. At 10 d of residual effect, the 4% concentration reached 63.7% mortality. All treatments were repellent to adults of S. zeamais and corn grain germination was not affected by any treatment.
author	Betancur R,Jessica Silva A,Gonzalo Rodríguez M,J. Concepción Fischer G,Susana Zapata S.M,Nelson
author_facet	Betancur R,Jessica Silva A,Gonzalo Rodríguez M,J. Concepción Fischer G,Susana Zapata S.M,Nelson
author_sort	Betancur R,Jessica
title	Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
title_short	Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
title_full	Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
title_fullStr	Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
title_full_unstemmed	Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky
title_sort	insecticidal activity of peumus boldus molina essential oil against sitophilus zeamais motschulsky
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000300007
work_keys_str_mv	AT betancurrjessica insecticidalactivityofpeumusboldusmolinaessentialoilagainstsitophiluszeamaismotschulsky AT silvaagonzalo insecticidalactivityofpeumusboldusmolinaessentialoilagainstsitophiluszeamaismotschulsky AT rodriguezmjconcepcion insecticidalactivityofpeumusboldusmolinaessentialoilagainstsitophiluszeamaismotschulsky AT fischergsusana insecticidalactivityofpeumusboldusmolinaessentialoilagainstsitophiluszeamaismotschulsky AT zapatasmnelson insecticidalactivityofpeumusboldusmolinaessentialoilagainstsitophiluszeamaismotschulsky
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Insecticidal Activity of Peumus boldus Molina Essential Oil against Sitophilus zeamais Motschulsky

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