Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: 

RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 12
Primeira ... 1 ... Última
Imagem não selecionada

Imprime registro no formato completo
Biotic potential and reproductive parameters of Spodoptera eridania (Stoll) (Lepidoptera, Noctuidae) in the laboratory Rev. Bras. entomol.
Montezano,Débora Goulart; Specht,Alexandre; Sosa-Gómez,Daniel Ricardo; Roque-Specht,Vânia Ferreira; Barros,Neiva Monteiro de.
Biotic potential and reprodutcive parameters of Spodoptera eridania (Stoll) (Lepidoptera, Noctuidae) in the laboratory: This study aimed to evaluate the biotic potential and reproductive parameters of Spodoptera eridania (Stoll, 1782) under controlled conditions (25 ± 1ºC, 70 ± 10% RH and 14 hour photophase). The longevity, pre-, post- and oviposition periods, fecundity and fertility of 15 couples was evaluated. The longevity of females (10.80 days) was not significantly higher than those of males (9.27 days). The mean durations of the pre, post and oviposition periods were 2.067, 0.600 and 8.133 days, respectively. The mean fecundity per female was 1,398 eggs and the mean fertility was 1,367.50 larvae. On average, females copulated 1.133 times. A strong...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Armyworm; Development; Insecta; Reproduction; Spermatophore.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262013000300014
Imagem não selecionada

Imprime registro no formato completo
Characterization of a Chrysodeixis includens nucleopolyhedrovirus Isolate from Brazilian Cerrado and Assessment of its Co-Infection with Anticarsia gemmatalis multiple nucleopolyhedrovirus BABT
Sanches,Márcio Martinello; Sihler,William; Silva,Cláudia Efigênia Pereira; Guimarães,Giovana Curcio; Benito,Norton Polo; Sosa-Gómez,Daniel Ricardo; de Souza,Marlinda Lobo.
Abstract Chrysodeixis includens has become the major Lepidopteran pest of soybean crops, especially in the Brazilian Cerrado (savanna) region. A native isolate of Chrysodeixis includens nucleopolyhedrovirus (ChinNPV) from this region, Buritis, MG, was assessed for its biological and molecular features. In addition, in vitro co-infection with Anticarsia gemmatalis multiple nucleopolyhedrovirus (AgMNPV), another virus of an important soybean pest, was tested. The ChinNPV-Buritis isolate presented an average LC50 of 7,750 occlusion bodies (OBs)/ml of diet in C. includens larvae. Analysis of restriction endonuclease profiles of viral DNA revealed similarities with previously described ChinNPV isolates IE, IF, and IG from Brazil, although the presence of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: AgMNPV; Baculovirus; ChinNPV; Soybean looper; Velvetbean caterpillar.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100218
Imagem não selecionada

Imprime registro no formato completo
Effects of double-stranded RNA on virulence of Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) against the silverleaf whitefly, Bemisia tabaci strain B (Homoptera: Aleyrodidae) Genet. Mol. Biol.
Azevedo,Andréia Cristiane Souza; Sosa-Gómez,Daniel Ricardo; Faria,Marcos Rodrigues; Fungaro,Maria Helena Pelegrinelli.
Bands of double-stranded RNA (dsRNA) were detected in three out of twelve isolates of Paecilomyces fumosoroseus. Identity of these bands was confirmed by RNAse, DNAse and S1 nuclease treatments. The cure of dsRNA for one isolate (P92) was successfully carried out for a single conidium subculture. Isogenic strains, with or without dsRNA, were submitted to virulence tests against the whitefly Bemisia tabaci strain B. In contrast to findings for some phytopathogenic fungi, these dsRNA fragments did not cause hypovirulence in P. fumosoroseus.
Tipo: Info:eu-repo/semantics/other
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572000000100010
Imagem não selecionada

Imprime registro no formato completo
Fitness cost of resistance to Bacillus thuringiensis in velvetbean caterpillar Anticarsia gemmatalis Hübner (Lepidoptera, Noctuidae) Rev. Bras. entomol.
Sosa-Gómez,Daniel Ricardo; Miranda,José Ednilson.
Selection pressure to obtain resistant genotypes can result in fitness cost. In this study, we report the effects of the selection pressure of a commercial formulation of Bacillus thuringiensis on biological aspects of a Dipel-resistant strain of velvetbean caterpillar, Anticarsia gemmatalis Hübner. Comparisons of Dipel-resistant and susceptible individuals revealed significant differences in pupal weight and larval development time. Both strains (Dipel-resistant and susceptible) were susceptible to Cry1Ac toxin expressed in foliar cotton tissues. Resistant and susceptible strains showed low survival rates of 22.5% and 51.2%, respectively, when fed with Greene diet containing Bt-cotton. Larvae bioassayed after three laboratory generations presented lower...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anticarsia gemmatalis; Toxin; Cry1Ac; Dipel-resistant; Strain.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000300014
Imagem não selecionada

Imprime registro no formato completo
Host plants of Chrysodeixis includens (Walker) (Lepidoptera, Noctuidae, Plusiinae) Rev. Bras. entomol.
Specht,Alexandre; Paula-Moraes,Silvana Vieira de; Sosa-Gómez,Daniel Ricardo.
ABSTRACT This work has the objective to catalogue the information of Chrysodeixis includens (Walker, [1858]) (Lepidoptera: Noctuidae: Plusiinae) host plants. The list of plants comprehends new reports of host plants in Brazil and information from literature review around the world. It is listed 174 plants which are from 39 botanic families. The higher number of host plants of C. includens are in Asteraceae (29), Solanaceae (21), Fabaceae (18) and Lamiaceae (12).
Tipo: Info:eu-repo/semantics/other Palavras-chave: Caterpillar; Inventory; Polyphagy; Soybean looper.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262015000400343
Imagem não selecionada

Imprime registro no formato completo
Identificação morfológica e molecular de Helicoverpa armigera (Lepidoptera: Noctuidae) e ampliação de seu registro de ocorrência no Brasil PAB
Specht,Alexandre; Sosa-Gómez,Daniel Ricardo; Paula-Moraes,Silvana Vieira de; Yano,Silvia Akimi Cavaguchi.
O objetivo deste trabalho foi descrever métodos para a caracterização morfológica e molecular de Helicoverpa armigera e ampliar o registro de ocorrência da praga no Brasil. As mariposas foram obtidas de lagartas coletadas nas culturas de algodão, milho e soja, com uso de armadilhas luminosas. As coletas foram realizadas na Bahia, no Distrito Federal, no Mato Grosso e no Paraná. A identificação foi baseada na genitália masculina e nas análises das sequências dos genes mitocondriais do citocromo B e da região cox1-tRNALeu-cox2. A genitália masculina foi comparada com as descrições morfológicas na literatura, e as sequências de genes, com as depositadas no GenBank. Ambas as análises confirmaram a presença de H. armigera nos locais de coleta. Ampliou-se o...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Código de barras de DNA; Lagarta polífaga; MtDNA; Praga quarentenária.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000600015
Imagem não selecionada

Imprime registro no formato completo
Lepidoptera (Insecta) associated with soybean in Argentina, Brazil, Chile and Uruguay Ciência Rural
Formentini,Aline Carraro; Sosa-Gómez,Daniel Ricardo; Paula-Moraes,Silvana Vieira de; Barros,Neiva Monteiro de; Specht,Alexandre.
ABSTRACT: The present research updates the systematic position and nomenclature of Lepidoptera associated with soybean crops in Argentina, Brazil, Chile and Uruguay. Scientific literature lists 69 species of Lepidoptera feeding on soybean plants. These species are representatives of the Superfamilies Noctuoidea (31), Pyraloidea (13), Hesperioidea (12), Tortricoidea (5), Geometroidea (5), and Bombycoidea (3). Diversity of Lepidoptera associated to crop, injury in different parts of the plant, and changes in species composition are discussed considering the changes in plant disease management, introduction of plants expressing Bt proteins, and the recent introduction of Helicoverpa armigera (Hübner) as a new crop pest.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caterpillars; Inventory; Taxonomy; Systematic; Lepidopterous pests..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001202113
Imagem não selecionada

Imprime registro no formato completo
Molecular characterization of Paecilomyces fumosoroseus (Deuteromycotina: Hyphomycetes) isolates Scientia Agricola
Azevedo,Andréia Cristiane Souza; Furlaneto,Márcia Cristina; Sosa-Gómez,Daniel Ricardo; Fungaro,Maria Helena Pelegrinelli.
ITS and RAPD analyses were used to investigate molecular variations within samples of Paecilomyces isolates and to resolve five morphologically atypical isolates resembling P. fumosorosus, obtained from whitefly in Northern Paraná State. The ITS4-ITS5 amplicon was 700 base pairs (bp) long in all isolates. The five isolates of Paecilomyces not assigned to species produced restriction profiles identical to all the reference strains of P. fumosoroseus. The extent of fingerprint variability observed by RAPD was sufficient to discriminate all the isolates. The genetic similarity among unidentified isolates and strains of P. fumosoroseus was even higher than that observed among reference strains of this species, allowing us to conclude that isolates CNPso-P77,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Paecilomyces fumosoroseus; Bemisia; RAPD; Biological control; Entomopathogenic fungus.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162000000400021
Imagem não selecionada

Imprime registro no formato completo
Neotropical brown stink bug (Euschistus heros) resistance to methamidophos in Paraná, Brazil PAB
Sosa-Gómez,Daniel Ricardo; Silva,Jovenil José da.
The objective of this work was to evaluate the soybean neotropical brown stink bug (Euschistus heros) resistance to methamidophos through laboratory bioassays. Bioassays were carried out using populations of adults and nymphs of Euschistus heros in the last instar collected in soybean crops in Paraná State. Highest frequencies of genotypes resistant to methamidophos were observed in Alvorada do Sul, Toledo and Nova Santa Rosa, PR. Populations from Bela Vista do Paraíso, Araruna, Campo Mourão, Mariluz, Cascavel, São João do Ivaí, and Mamboré were more susceptible to methamidophos. However, an increase on resistant genotypes in this locations cannot be discarded.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Chemical control; Insecticide resistance; Susceptibility.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010000700019
Imagem não selecionada

Imprime registro no formato completo
Pesticide selectivity to natural enemies: challenges and constraints for research and field recommendation Ciência Rural
Bueno,Adeney de Freitas; Carvalho,Geraldo Andrade; Santos,Antônio Cesar dos; Sosa-Gómez,Daniel Ricardo; Silva,Débora Mello da.
ABSTRACT: Pesticides are considered the first line of defense for the control of pests and diseases. At least in the short and medium term, the use of pesticides will remain an important strategy for pest management, allowing growers to produce crops of sufficient quality at low costs. A broad approach known as Integrated Pest Management (IPM) combines several different pest-control strategies, among which the combination of chemical and biological control stands out. It requires pesticides that achieve optimal control of target pests with minimal impact on the activity of biological control agents. Because of the dynamics of pest infestations, IPM routines are continuously adjusted by growers, requiring comprehensive information about pesticide effects on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: IPM; Biological control; Chemical control.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000600157
Imagem não selecionada

Imprime registro no formato completo
Susceptibility of Alphitobius diaperinus (Panzer) (Coleoptera, Tenebrionidae) to cypermethrin, dichlorvos and triflumuron in southern Brazil Rev. Bras. entomol.
Chernaki-Leffer,Andreia Mauruto; Sosa-Gómez,Daniel Ricardo; Almeida,Lúcia M.; Lopes,Ivani de Oliveira Negrão.
Susceptibility of Alphitobius diaperinus (Panzer) (Coleoptera, Tenebrionidae) to cypermethrin, dichlorvos and triflumuron in southern Brazil. The lesser mealworm, Alphitobius diaperinus (Panzer), is an important insect pest in poultry houses in Brazil. Susceptibility of the lesser mealworm collected from eight poultry houses in Paraná state, southern Brazil, was evaluated for cypermethrin, dichlorvos and triflumuron. Adult A. diaperinus were tested in bioassays with cypermethrin and dichlorvos. Larvae were fed rabbit feed wetted with a triflumuron-water solution. Concentration-mortality regressions were estimated using Probit analysis and resistance ratios were calculated based on the susceptible population. Among the field populations evaluated,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insect growth regulator; Lesser mealworm; Poultry house; Pyrethroid; Organophosphates.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000100020
Imagem não selecionada

Imprime registro no formato completo
Suscetibilidade de Spodoptera Frugiperda a isolados geográficos de um vírus de poliedrose nuclear PAB
Gomez,Sérgio Arce; Moscardi,Flávio; Sosa-Gómez,Daniel Ricardo.
O presente trabalho objetivou verificar a suscetibilidade de larvas de segundo ínstar de Spodoptera frugiperda (Smith, 1797) a sete isolados geográficos de um vírus de poliedrose nuclear (VPN), conduzindo-se sete bioensaios no Laboratório de Patologia de Insetos da Embrapa-Centro Nacional de Pesquisa de Soja, Londrina. Para cada isolado preparou-se dieta artificial contendo 0, 2x10³, 4x10³, 8x10³, 16x10³, 32x10³ e 64x10³ corpos poliédricos de inclusão (CPI)/mL. Cada dose foi oferecida às larvas em copos de plástico de 50 mL, sob condições controladas (temperatura: 26±2ºC; umidade relativa: 60±10%; fotófase:14 horas). A análise (Probits) realizada sobre o somatório de larvas mortas (contadas, diariamente, do quinto ao décimo quarto dia após a inoculação)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lepidoptera; Noctuidae; Lagarta-do-cartucho-do-milho; Larvas de segundo ínstar; Bioensaios; Baculovírus; VPN; Virulência.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X1999000900003
Registros recuperados: 12
Primeira ... 1 ... Última
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional