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      Predação de sementes de andiroba [Carapa guianensis Aubl. e Carapa procera DC. (Meliaceae)] por insetos na Amazônias Translated title: Seed predation of crabwood [Carapa guianensis Aubl. and Carapa procera DC. (Meliaceae)] by insects in Amazon

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          Abstract

          Os objetivos deste trabalho foram identificar os insetos associados à predação de sementes de Carapa guianensis e Carapa procera e avaliar o potencial de dano nas sementes por insetos e a ocorrência de estratificação vertical na predação de sementes de andiroba. O estudo foi realiado em plantios de C. guianensis e C. procera na Reserva Florestal Ducke, Manaus, Estado do Amazonas, Brasil. As coletas foram realizadas semanalmente no chão da floresta e mensalmente em três diferentes alturas (terços) da copa das árvores. Para avaliar o efeito da predação na germinação, 30 sementes não predadas e 30 sementes predadas coletadas mensalmente do chão da floresta foram colocadas para germinar por um período de um mês. Os resultados indicaram que Hypsipyla grandella e H. ferrealis (Lepidoptera, Pyralidae) foram as principais espécies de insetos associadas à predação das sementes de C. procera e C. guianensis, resultando em taxas de predação média de 39% a 61,96%, respectivamente. Observou-se estratificação vertical na predação dos frutos e sementes na copa das árvores de ambas as espécies de Carapa. A predação das sementes de C. procera e C. guianensis por Hypsipyla spp. reduziu o processo de germinação. Este estudo produziu informações sobre a associação entre C. procera e C. guianensis e as espécies de Hypsipyla.

          Translated abstract

          The objectives of this study were to identify the insects associated to seed predation of Carapa guianensis and Carapa procera, to evaluate the seeds damage potential of these insects and the occurrence of vertical stratification in the predation of Carapa seeds. The study was carried out in C. guianensis and C. procera plantations at Reserva Florestal Ducke, Manaus, Amazonas State, Brazil. The seed samples from the ground were taken weekly, and the canopy samples were taken monthly from three different heights. To evaluate the effect of predation on germination, 30 non-predated seeds and 30 predated seeds were collected monthly from the ground at each plot, and the germination was monitored during a month. The results showed that Hypsipyla grandella and H. ferrealis (Lepidoptera: Pyralidae) are the main insect species associated to seed predation in C. procera and C. guianensis, with predation mean rates of 39% to 61,96%, respectively. Fruit and seed predation were observed inside the canopy vertical stratification of the two Carapa species. The seed predation in C. procera and C. guianensis by Hypsipyla spp. reduced the germination process. This study produced information on the association between C. procera and C. guianensis and the species of Hypsipyla.

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          Most cited references26

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          Seed Predation by Animals

          D. Janzen (1971)
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            Seed Ecology

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              Patologia Florestal: Principais doenças florestais no Brasil

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rarv
                Revista Árvore
                Rev. Árvore
                Sociedade de Investigações Florestais (Viçosa )
                1806-9088
                December 2013
                : 37
                : 6
                : 1115-1123
                Affiliations
                [1 ] EcoTec Pragas Urbanas Brazil
                [2 ] Instituto Nacional de Pesquisas da Amazônia Brazil
                [3 ] Universidade Federal de Viçosa Brazil
                [4 ] Universidade Federal do Oeste do Pará Brazil
                Article
                S0100-67622013000600013
                10.1590/S0100-67622013000600013
                11037ff0-7001-4687-8f78-e4b530dc1cd4

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-6762&lng=en
                Categories
                FORESTRY

                Forestry
                Hypsipyla grandella,Hypsipyla ferrealis,Amazonia,Amazônia
                Forestry
                Hypsipyla grandella, Hypsipyla ferrealis, Amazonia, Amazônia

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