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      ACEITE ESENCIAL DE PIPER CRASSINERVUM PARA EL CONTROL DE SITOPHILUS ZEAMAIS (COLEOPTERA: CURCULIONIDAE) Translated title: ESSENTIAL OIL OF PIPER CRASSINERVUM TO CONTROL OF SITOPHILUS ZEAMAIS (COLEOPTERA: CURCULIONIDAE)

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          Abstract

          Se evaluó el efecto tóxico y repelente del aceite esencial de P. crassinervum sobre S. zeamais, a través de los métodos de contacto con granos, aplicando directamente el producto sobre en las concentraciones de 0,25; 0,5; 1,0; 2,0 y 4,0 uL/g y el contacto en papel filtro, aplicando el producto sobre papel filtro y su posterior infestación con adultos, utilizando concentraciones de 0,08; 0,17; 0,35; 1,70 y 1,41 uL/cm². Por el método de contacto en papel filtro se obtuvo una CL50 y CL95 de 0,07 y 0,63 uL/cm², respectivamente. Cuando se evaluó la toxicidad del aceite en diferentes concentraciones, se obtuvo un TL50 y TL95 de 58,62 y 72,86 h, respectivamente. Por el método de contacto con granos la CL50 y CL95 fue de 0,72 y 3,99 uL/g del producto y el TL50 y TL95 fue de 17,11 y 77,85 h, respectivamente. Se determinó el efecto de repelencia de P. rassinervum, encontrándose que a una concentración de 2uL/g se presentó el menor valor de preferencia (13,1%). De acuerdo con los resultados obtenidos, P. crassinervum presenta efecto tóxico y repelente sobre S. zeamais.

          Translated abstract

          Was evaluated the toxic and repellent effect of the essential oil of P. crassinervum on S. zeamais through methods of contact with grains, applying the product directly on to the grains using concentrations of 0,25; 0,5; 1,0; 2,0 and 4,0 uL/g, and contact in filter paper, applying the product on filter paper and subsequent infestation with adults using concentrations of 0,08; 0,17; 0,35; 1,70 and 1,41 uL/cm². By the method of contact paper filter was obtained a CL50 and CL95 of 0,07 and 0,63 uL/cm², respectively. When the toxicity of the oil at different concentrations evaluated was obtained a TL50 and TL95 of 58,62 and 72,86 h, respectively. By the method of contact with grains the CL50 and CL95 it was 3,99 and 0,72 uL/g product, respectively and the TL50 and TL95 was in 17,11 and 77,85 h, respectively. It was determined the effect of repellency of P. crassinervum, finding that a concentration of 2uL/g was presented the lowest value preference (13,1%). According to the results obtained, P. crassinervum presents toxic and repellent effect on S. zeamais.

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          Most cited references42

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          A Method of Computing the Effectiveness of an Insecticide

          W. Abbott (1925)
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            Botanical insecticides, deterrents, and repellents in modern agriculture and an increasingly regulated world.

            Botanical insecticides have long been touted as attractive alternatives to synthetic chemical insecticides for pest management because botanicals reputedly pose little threat to the environment or to human health. The body of scientific literature documenting bioactivity of plant derivatives to arthropod pests continues to expand, yet only a handful of botanicals are currently used in agriculture in the industrialized world, and there are few prospects for commercial development of new botanical products. Pyrethrum and neem are well established commercially, pesticides based on plant essential oils have recently entered the marketplace, and the use of rotenone appears to be waning. A number of plant substances have been considered for use as insect antifeedants or repellents, but apart from some natural mosquito repellents, little commercial success has ensued for plant substances that modify arthropod behavior. Several factors appear to limit the success of botanicals, most notably regulatory barriers and the availability of competing products (newer synthetics, fermentation products, microbials) that are cost-effective and relatively safe compared with their predecessors. In the context of agricultural pest management, botanical insecticides are best suited for use in organic food production in industrialized countries but can play a much greater role in the production and postharvest protection of food in developing countries.
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              Plant products as fumigants for stored-product insect control

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                Author and article information

                Journal
                bccm
                Boletín Científico. Centro de Museos. Museo de Historia Natural
                Bol. Cient. Mus. Hist. Nat. Univ. Caldas
                Universidad de Caldas. Vicerrectoría de Investigaciones y Postgrados (Manizales, Caldas, Colombia )
                0123-3068
                June 2012
                : 16
                : 1
                : 99-107
                Affiliations
                [01] orgnameUniversidad de Caldas orgdiv1Departamento de Producción Agropecuaria alberto.soto@ 123456ucaldas.edu.co
                Article
                S0123-30682012000100008 S0123-3068(12)01600108
                a2c60cef-053f-4028-be2e-0a6edcfae987

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 44, Pages: 9
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                SciELO Colombia

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                stored grain,efecto tóxico,gorgojo del maíz,granos almacenados,productos alternativos,toxic effect,maize weevil,alternative products

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