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| Morales Koyoc, Deisy Noemí. |
| El almacenamiento a bajas temperaturas, de 0 a 15ºC, es un método que se usa para prolongar la vida útil de algunas especies de enemigos naturales que se usan en control biológico. En este trabajo se estudió el efecto de la combinación de temperaturas (5, 8, 10 y 25ºC) y periodos de almacenamiento (7, 14 y 21 d) sobre la supervivencia, fecundidad, depredación (alimentación sobre el huésped) y capacidad de vuelo de adultos del parasitoide Catolaccus hunteri Crawford (Hymenoptera: Pteromalidae). Para la evaluación de estos parámetros, una vez que se concluyeron los periodos de almacenaje, los parasitoides se mantuvieron a 25ºC±1ºC, 65±5% H.R. y fotoperiodo 12:12 h L: O. En general todos los parámetros biológicos disminuyeron conforme se incrementó el... |
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Palavras-chave: Control biológico; Parasitoides; Catolaccus hunteri; Callosobruchus maculatus; Biological control; Parasitoids; Entomología y Acarología; Maestría. |
| Ano: 2014 |
URL: http://hdl.handle.net/10521/2303 |
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| Pereira,Adriana Carla Ribeiro Lopes; Oliveira,José Vargas de; Gondim Junior,Manoel Guedes Corrêa; Câmara,Cláudio Augusto Gomes da. |
| O caruncho, Callosobruchus maculatus (Fabr.), é considerado a praga mais importante do caupi, Vigna unguiculata (L.) Walp., armazenado em regiões tropicais e subtropicais. Visando minimizar os efeitos indesejáveis dos inseticidas químicos sintéticos, o controle dessa praga com óleos de origem vegetal vem se constituindo numa alternativa promissora, de baixo custo e segura para os aplicadores e consumidores. Foram testados os óleos essenciais [(Cymbopogon martini (Roxb.) J.F. Watson], Piper aduncum L., Piper hispidinervum C.DC., Melaleuca sp., Lippia gracillis Shauer) e fixos (Helianthus annuus L, Sesamum indicum L, Gossypium hirsutum L., Glycine max (L.) Merr. e Caryocar brasiliense Camb.), em grãos de caupi, cv. Sempre Verde. Os óleos foram utilizados nas... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Caruncho do caupi; Óleos vegetais; Toxicidade; Efeito inseticida; Callosobruchus maculatus; Vigna unguiculata. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542008000300003 |
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| Souza,A.J.; Ferreira,A.T.S.; Perales,J.; Beghini,D.G.; Fernandes,K.V.S.; Xavier-Filho,J.; Venancio,T.M.; Oliveira,A.E.A.. |
| Seed coat is a specialized maternal tissue that interfaces the embryo and the external environment during embryogenesis, dormancy and germination. In addition, it is the first defensive barrier against penetration by pathogens and herbivores. Here we show that Albizia lebbeck seed coat dramatically compromises the oviposition, eclosion and development of the bruchid Callosobruchus maculatus. Dietary supplementation of bruchid larvae with A. lebbeck seed coat flour causes severe weight loss and reduces survival. By means of protein purification, mass spectrometry and bioinformatic analyses, we show that chitin-binding vicilins are the main source of A. lebbeck tegumental toxicity to C. maculatus. At concentrations as low as 0.1%, A. lebbeck vicilins reduce... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chitin-binding proteins; Seed coat; Callosobruchus maculatus; Insect bruchid. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000200005 |
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| Braga,Yussef F.B.; Grangeiro,Thalles B.; Freire,Eder A.; Lopes,Helano L.; Bezerra,José N. S.; Andrade-Neto,Manoel; Lima,Mary Anne S.. |
| The effect of 2-tridecanone vapor on the cowpea weevil (Callosobruchus maculatus) development was determined. Seeds of cowpea were infested with adults and exposed to different doses of 2-tridecanone isolated from Pilocarpus microphyllus Stapf ex Holm, a plant species native from northeastern Brazil. The pure monoterpene was evaluated both undiluted as well as in the dilutions 1:10, 1:100 and 1:1,000 (v/v). The following parameters of the cowpea weevil life cycle were analyzed in response to decreasing doses of 2-tridecanone: number of eggs laid, percentage of egg hatching on seeds, percentage of adult emergence, adult weight at emergence, mean developmental time and number of adults emerged. Vapor of 2-tridecanone caused a significant (P < 0.05)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Callosobruchus maculatus; Cowpea; 2-tridecanone; Pilocarpus microphyllus. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652007000100005 |
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| Ximenes,A.A; Oliveira,G.A; Bittencourt-Cunha,P; Tomokyo,M; Leite,D.B; Folly,E; Golodne,D.M; Atella,G.C. |
| Lipid transport in arthropods is achieved by highly specialized lipoproteins, which resemble those described in vertebrate blood. Here we describe purification and characterization of the lipid-apolipoprotein complex, lipophorin (Lp), from adults and larvae of the cowpea weevil Callosobruchus maculatus. We also describe the Lp-mediated lipid transfer to developing oocytes. Lps were isolated from homogenates of C. maculatus larvae and adults by potassio bromide gradient and characterized with respect to physicochemical properties and lipid content. The weevil Lp (465 kDa) and larval Lp (585 kDa), with hydrated densities of 1.22 and 1.14 g/mL, contained 34 and 56% lipids and 9 and 7% carbohydrates, respectively. In both Lps, mannose was the predominant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Callosobruchus maculatus; Lipophorin; Lipid transport; Oogenesis; Hydrocarbons. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000100004 |
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| Athiepacheco,Ivânia; Bolonhezi,Scheilla; Sartori,Maria Regina; Turatti,; Paula,Dalmo Cesar de; Lourenção,André Luiz. |
| O presente trabalho teve por objetivos: (a) verificar possíveis diferenças entre seis genótipos de grão-de-bico (Cicer arietinum L.), selecionados no Instituto Agronômico, quanto à suscetibilidade ao ataque de Callosobruchus phaseoli (Gyllenhal), C. maculatus F. e Acanthoscelides obtectus (Say), pragas de armazenamento dessa fabácea; (b) relacionar as diferenças em suscetibilidade com a composição química das sementes, e (c) avaliar a qualidade de cozimento das sementes dos genótipos com características agronômicas mais promissoras para o cultivo. Foram utilizadas sementes do cv. IAC-Marrocos e dos genótipos IAC-Sonora, IAC-Sonora-FE, IAC-GB2, IAC-GB3 e IAC-GB4 de grão-de-bico, as quais foram infestadas separadamente com as três principais espécies de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Armazenamento; Insecta; Bruchidae; Callosobruchus maculatus; Callosobruchus phaseoli; Acanthoscelides obtectus; Grão-de-bico; Cicer arietinum; Resistência a insetos; Qualidade de cozimento; Ácidos graxos; Ácido linoléico. |
| Ano: 1994 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051994000100007 |
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| Melo,Roberto de A; Forti,Victor Augusto; Cicero,Silvio M; Novembre,Ana DLC; Melo,Paulo César T de. |
| In Brazil, the cowpea [Vigna unguiculata (L.) Walp], is important in the Northeast Region, where it is typically grown on family farms. The importance of the damage caused to the seed quality of this species by stored pests has been described in various studies. Using X-ray, it is possible to see the internal seed structures and identify possible changes and damage. The objective of this study was to identify the damage caused by the weevil [Callosobruchus maculatus (Fabr.)] by analyzing X-ray and evaluate its relationship to the physiological quality of the cowpea seed. Three cultivars were used (IPA-206, BRS-Pajeu and BRS-Potengi) and two lines (L 281.005 and L ESP 10). The samples were exposed to X-ray and germination test to determine the cause-effect... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vigna unguiculata; Callosobruchus maculatus; Image analysis; Internal damage. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362010000400016 |
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