Výsledky vyhledávání - "Raul N. C. Guedes"

Akademický článek

Boll weevils in dry bolls: is there a performance disadvantage?

Autor: Beatriz S. Coelho, Suzany A. Leite, Mateus P. dos Santos, Eloito C. de Mates, Beatriz M. L. de Moraes, Cristina S. Bastos, Raul N. C. Guedes, Aldenise A. Moreira, Maria A. Castellani

Publikováno v: Journal of Cotton Research, Vol 7, Iss 1, Pp 1-10 (2024)

Abstract Background Anthonomus grandis grandis is the main cotton pest in the Americas, with the potential to become a pest in other continents. The insect uses the plant’s reproductive organs for feeding, oviposition, and survival strategies in th

Externí odkaz: https://doaj.org/article/3d718f7e89db49028c36810337b7dd1e

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Akademický článek

Risk of control failure to insecticides malathion, profenophos + cypermethrin mixture, and fipronil in boll weevil (Coleoptera: Curculionidae) populations from Bahia, Brazil

Autor: Beatriz S. Coelho, Suzany A. Leite, Mateus P. dos Santos, Raul N. C. Guedes, Cristina S. Bastos, Aldenise A. Moreira, João E. V. Bonfim, Maria A. Castellani

Publikováno v: Journal of Cotton Research, Vol 6, Iss 1, Pp 1-10 (2023)

Abstract Background To control the boll weevil Anthonomus grandis grandis (Coleoptera: Curculionidae), a key pest of cotton in the Americas, insecticides have been intensively used to manage their populations, increasing selection pressure for resist

Externí odkaz: https://doaj.org/article/cd59ff04a79e4e72a5f853aab14f2fd7

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Akademický článek

Essential oil of Siparuna guianensis as an alternative tool for improved lepidopteran control and resistance management practices

Autor: Adriano M. Lourenço, Khalid Haddi, Bergman M. Ribeiro, Roberto F. T. Corrêia, Hudson V. V. Tomé, Oscar Santos-Amaya, Eliseu J. G. Pereira, Raul N. C. Guedes, Gil R. Santos, Eugênio E. Oliveira, Raimundo W. S. Aguiar

Publikováno v: Scientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)

Abstract Although the cultivation of transgenic plants expressing toxins of Bacillus thuringiensis (Bt) represents a successful pest management strategy, the rapid evolution of resistance to Bt plants in several lepidopteran pests has threatened the

Externí odkaz: https://doaj.org/article/7228e3b7f8094118a8cf2deccc368307

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Akademický článek

Invader Competition with Local Competitors: Displacement or Coexistence among the Invasive Khapra Beetle, Trogoderma granarium Everts (Coleoptera: Dermestidae), and Two Other Major Stored-Grain Beetles?

Autor: Nickolas G. Kavallieratos, Christos G. Athanassiou, Raul N. C. Guedes, Johanna D. Drempela, Maria C. Boukouvala

Publikováno v: Frontiers in Plant Science, Vol 8 (2017)

Local potential competitor species are important determinants of the invasibility of an environment even when widely recognized invasive species are concerned since it may compromise its establishment. Thus, the outcome of the direct competition amon

Externí odkaz: https://doaj.org/article/34425112a9ba4a01b91761186e61d702

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Deltamethrin toxicity and impaired swimming behavior of two backswimmer species

Autor: Yeisson, Gutiérrez, Hudson V V, Tomé, Raul N C, Guedes, Eugênio E, Oliveira

Publikováno v: Environmental toxicology and chemistry. 36(5)

Backswimmers (Hemiptera: Heteroptera: Notonectidae) are insect predators in a wide variety of freshwater habitats. These insects are well known through their role as mosquito biocontrol agents, their ability to prey on immature fishes and frogs, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a5897f721d61c2eb85f8765a33388cfa
https://pubmed.ncbi.nlm.nih.gov/27704607

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Toxicidade da combinação de dióxido de carbono e fosfina sob diferentes temperaturas para Tribolium castaneum Toxicity of the carbon dioxide and phosphine combination to Tribolium castaneum under different temperatures

Autor: Raimundo W. S. Aguiar, Lêda R. D'A. Faroni, Raul N. C. Guedes, Adalberto H. Sousa, Adriano F. Rozado

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 14, Iss 8, Pp 881-886 (2010)

O objetivo deste trabalho foi avaliar o efeito da temperatura sobre a toxicidade da combinação de dióxido de carbono e fosfina, para os estágios de desenvolvimento de Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). A toxicidade da combi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::40b42b81bec7b1f8ef919b9d60fbfd99
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662010000800013

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Biological activity and persistence of pirimiphos-methyl applied to maize grain at different temperatures Eficácia biológica e persistência do pirimifós-metil aplicados sobre grãos de milho em diferentes temperaturas

Autor: Rodrigo D. Silveira, Lêda R. A. Faroni, Raul N. C. Guedes, Maria E. L. R. Queiroz, Marco A. G. Pimentel

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 13, Iss 6, Pp 729-733 (2009)

The expansion of dryeration may impose a further problem for insect control with protectants - the high grain temperatures during insecticide spraying. To assess the impact of this procedure on insecticide activity, maize grains at different temperat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::2300b50b0f71f06c564efaa9dfc9f099
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662009000600010

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Aplicação de ozônio contra Sitophilus zeamais e Tribolium castaneum em milho armazenado Ozone application against Sitophilus zeamais and Tribolium castaneum on stored maize

Autor: Adriano F. Rozado, Lêda R. A. Faroni, Wilfredo M. I. Urruchi, Raul N. C. Guedes, Juliana L. Paes

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 12, Iss 3, Pp 282-285 (2008)

Neste trabalho a meta principal foi avaliar a suscetibilidade dos adultos de Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) e Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) e a qualidade fisiológica dos grãos de milho submet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::4b5894cf9d642d94583b210d6af67626
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662008000300009

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Modelos analíticos do crescimento populacional de Sitophilus zeamais em trigo armazenado Analytical models for population growth of Sitophilus zeamais in stored wheat

Autor: Arienilmar A. L. da Silva, Lêda R. D'A. Faroni, Raul N. C. Guedes, José H. Martins, Marco A. G. Pimentel

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 10, Iss 1, Pp 155-161 (2006)

Para se atingir os objetivos propostos neste trabalho, desenvolveram-se modelos analíticos do crescimento populacional de S. zeamais em grãos de trigo armazenados com teor de umidade de 11,1%. O crescimento populacional foi avaliado durante 90 dias

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::e04147aad5feb80e6dedd15cde89876f
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662006000100023

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