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Search Results: 1 - 10 of 29497 matches for " Rosana Gon?alves Barros "
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Efeito do armazenamento na compatibilidade de fungicidas e inseticidas, associados ou n?o a um polímero no tratamento de sementes de feij?o
Barros, Rosana Gonalves;Barrigossi, José Alexandre F.;Costa, Jefferson Luis da Silva;
Bragantia , 2005, DOI: 10.1590/S0006-87052005000300016
Abstract: the compatibility of chemical products in dry bean seed coating associated to a polymer was studied in this work. also, the maximum period of storage for these seeds coated with polymer and defensives was established. dry beans, from cv. pérola were submitted to the following treatments: 1) control; 2) carbendazin + thiram + fipronil + polymer; 3) carbendazin + thiram + fipronil; 4) carbendazin + thiram + thiodicarb + polymer and 5) carbendazin + thiram + thiodicarb. the evaluated parameters included emergency, lesser cornstalk borer (elasmopalpus lignosellus) efficiency control and seed pathology. for the parameters emergency and borer control the best results were obtained with the treatments including fipronil insecticide. as for seed pathology, treatments with thiodicarb insecticide were more efficient, indicating a suitable compatibility of this insecticide with the fungicides carbendazin + thiram until 150 days of storage. the products tested could be used in dry bean seed dressing, and the treated seeds could be stored up to hundred and twenty days prior to planting.
COMPATIBILIDADE DO INSETICIDA THIAMETHOXAM COM FUNGICIDAS UTILIZADOS NO TRATAMENTO DE SEMENTES DE FEIJOEIRO COMPATIBILITY OF THE INSECTICIDE THIAMETHOXAM WITH FUNGICIDES APPLIED TO COMMON BEAN SEEDS
Rosana Gonalves Barros,Massaru Yokoyama,Jefferson Luis da Silva Costa
Pesquisa Agropecuária Tropical , 2007, DOI: 10.5216/pat.v31i2.2484
Abstract: A mosca-branca (Bemisia argentifolli Bellows & Perring) tem causado sérios prejuízos em muitas áreas produtoras de feij o no Brasil. O dano indireto através da transmiss o do vírus do mosaico dourado é um dos fatores limitantes na produ o do feij o, podendo causar perdas de até 100%. Uma das medidas recentemente desenvolvidas para o controle desta praga é o tratamento das sementes com inseticida. Neste trabalho foi testada a compatibilidade do inseticida thiamethoxam com alguns dos fungicidas utilizados para tratamento de sementes de feij o destinadas ao plantio (difenoconazole, fludioxonil e carboxin). As variáveis utilizadas na avalia o foram: porcentagens de germina o, de sanidade das sementes e de eficiência de controle da mosca-branca. Considerando todas as variáveis, constatou-se que n o houve incompatibilidade do inseticida com os fungicidas utilizados. Os tratamentos thiamethoxam+carboxin e thiamethoxam+fludioxonil foram os que apresentaram maior eficiência no controle de fungos incidentes em sementes e da mosca-branca em plantulas até os onze dias após a emergência. PALAVRAS-CHAVE: Mosca-branca; Bemisia argentifolli; fungos de sementes; controle químico. The white fly (Bemisia argentifolli Bellows & Perring) causes serious damage to the common bean crop in Brazil. The indirect damage through the transmission of bean gold mosaic virus can cause losses of up to 100%. One measure recently developed to control this pest is insecticide seed dressing. In this study, the compatibility of the insecticide thiamethoxam with the fungicides used for dry beans seed dressing was tested. These treatments included the fungicides difenoconazole, fludioxonil and carboxin. The variables evaluated were germination, seed health and white fly control efficiency. Considering these variables it was observed that the insecticide was compatible with the fungicides studied. The treatments thiamethoxam+carboxin and thiamethoxam+fludioxonil were the most efficient in controlling seed-borne fungi as well as white fly on plants. KEY-WORDS: White fly; Bemisia argentifolli; seed fungi; chemical control.
EFICIêNCIA DE INSETICIDAS NO CONTROLE DE Spodoptera frugiperda (J. E. Smith 1797) (LEPIDOPTERA: NOCTUIDAE) NA CULTURA DO ALGODOEIRO EFFICIENCY OF INSECTICIDES IN THE CONTROL OF Spodoptera frugiperda (J. E. Smith 1797) (LEPIDOPTERA: NOCTUIDAE) ON COTTON CROP
Rosana Gonalves Barros,Karina , Cordeiro Albernaz,Fábio Shigeo Takatsuka,Cecília Czepak
Pesquisa Agropecuária Tropical , 2007, DOI: 10.5216/pat.v35i3.2220
Abstract: O trabalho foi conduzido em Acreúna, Goiás, Brasil, entre mar o e abril de 2002, com o objetivo de avaliar a eficiência de inseticidas no controle de Spodoptera frugiperda (J. E. Smith 1797), na cultura do algodoeiro – cv. Delta Opal. Os tratamentos inseticidas utilizados e as suas respectivas dosagens de produto comercial foram: spinosad (75 mL.ha-1, 100 mL.ha-1, 125 mL.ha-1 and 150 mL.ha-1), methoxifenozide (500 mL.ha-1), clorpirifós (800 mL.ha-1) e testemunha. Em todos os tratamentos, com exce o da testemunha, foi adicionado 2,0 L.ha-1 de óleo vegetal. Foram marcados seis pontos (repeti es) na linha central de cada faixa de tratamento, distanciados cerca de 100 m, ao redor dos quais foram feitas as avalia es, contando-se o número de lagartas vivas em quinze plantas. Foram feitas duas aplica es para cada tratamento, com intervalo de dez dias. Foram realizadas contagens aos três, cinco, sete e dez dias após a primeira aplica o, e aos três, cinco, sete, dez e quatorze dias após a segunda aplica o. Os tratamentos com spinosad, nas dosagens de 100 mL.ha-1, 125 mL.ha-1 e 150 mL.ha-1 foram eficientes para o controle de S. frugiperda, na cultura do algodoeiro, até sete dias após a aplica o. PALAVRAS-CHAVE: Gossypium sp.; spinosad; clorpirifós; methoxifenozide. A trial was carried out in Acreúna, Goiás State, Brazil, from March to April of 2002, to test the efficiency of insecticides to control Spodoptera frugiperda (J. E. Smith 1797) on cotton – cv. Delta Opal. The treatments applied and their respective doses of commercial product were: spinosad (75 mL.ha-1, 100 mL.ha-1, 125 mL.ha-1 and 150 mL.ha-1), methoxifenozide (500 mL.ha-1), clorpirifós (800 mL.ha-1), and control. In all of the treatments, except for control, it was added 2,0 L.ha-1 of vegetable oil. Six points (replications) were marked in the central row of each treatment strip, spaced about 100 m, around which evaluations were performed, counting the number of alive caterpillars in fifteen plants. The insecticides were sprayed two times at ten-day intervals. The countings were realized at there, five, seven, and ten days after the first application, and at three, five, seven, ten, and fourteen days after the second application. The treatments with spinosad at 100 mL.ha-1, 125 mL.ha-1 and 150 mL.ha-1 were efficient in controlling S. frugiperda on cotton up to seven days after treatment application. KEY-WORDS: Gossypium sp.; spinosad; clorpirifós; methoxifenozide.
CAPTURA DE Tuta absoluta (Meyrick) (LEPIDOPTERA: GELECHIIDAE) COM ARMADILHA LUMINOSA NA CULTURA DO TOMATEIRO TUTORADO CAPTURE OF Tuta absoluta (Meyrick) (LEPIDOPTERA: GELECHIIDAE) WITH LIGHT TRAP IN TOMATO CROP
Aline Cavalcante Rodrigues de Oliveira,Valquíria da Rocha Santos Veloso,Rosana Gonalves Barros,Paulo Mar?al Fernandes
Pesquisa Agropecuária Tropical , 2008, DOI: 10.5216/pat.v38i3.4661
Abstract: A tra a-do-tomateiro (Tuta absoluta) representa um sério problema à tomaticultura, n o somente pela intensidade de ataque, mas também por sua ocorrência durante todo o ciclo da cultura. No Brasil, esta praga tem sido controlada, quase exclusivamente, com inseticidas, o que é indesejável, tanto por motivos econ micos, quanto ambientais. Visando a obter maiores informa es para o controle desta praga, foi conduzido o presente trabalho, em Ouro Verde (GO), no período de setembro a outubro de 2002, com o intuito de avaliar o emprego de armadilhas luminosas na captura de espécimes adultos desta praga. Os tratamentos utilizados foram: 1) lampada negra; 2) lampada BLB; 3) lampada Grolux; e 4) lampada luz do dia. O delineamento experimental utilizado foi blocos ao acaso, com quatro repeti es. O parametro utilizado para avaliar a eficiência de captura dos tratamentos foi a contagem do número de espécimes adultos de T. absoluta, capturados nas armadilhas luminosas. Os resultados demonstraram que as lampadas BLB e negra foram as mais eficientes na captura, podendo, portanto, ser empregadas para auxiliar no controle da tra a-do-tomateiro em programas de manejo integrado de pragas. PALAVRAS-CHAVE: Tra a-do-tomateiro;manejo integrado de pragas; tomate. The tomato leafminer (Tuta absoluta) represents a serious problem for the tomato crop, not only due to the intensity of its attack, but also to its occurrence during all the crop cycle. In Brazil, this pest has been controlled almost exclusively with insecticides, what is undesirable for economic and environmental reasons. In order to get more information on the control of this pest this research was carried out, in Ouro Verde (Goiás State, Brazil), from September through October 2002, to evaluate the use of light traps for capture of adult T. absoluta specimens. The treatments used were: 1) black lamp; 2) BLB lamp; 3) Grolux lamp; and 4) fluorescent daylight lamp. The experimental design used was randomized complete blocks with four replications. The parameter to evaluate treatment capture efficiency was the counting of the adult T. absoluta specimens trapped. The results showed that the BLB and ultraviolet lamps were the most efficient treatments. Therefore, both can help to control the tomato leafminer in integrated pest management programs. KEY-WORDS: Tomato pinworm; integrated pest management; tomato.
Profissionais da educa??o e sua forma??o para atua??o na educa??o infantil e séries iniciais do ensino fundamental
Gonalves,Rosana Peixoto;
Revista Lusófona de Educa??o , 2005,
Abstract: education professionals and other sections of society have been discussing the concept of education, the function of the school, the relationship between school knowledge and the social and cultural life, and the teacher?s professional life. at the same time that a new school education and a new role for the teacher are being proposed, a specialized professional performance towards new social requirements is being defended, with innovative educational practices.
O direito de resistência na Fran?a renascentista
Barros, Alberto Ribeiro Gonalves de;
Kriterion: Revista de Filosofia , 2006, DOI: 10.1590/S0100-512X2006000100005
Abstract: in the half of the sixteenth century, with the increase of the religious conflicts in the french kingdom, the question of the right of political resistance retook an important place in public debate. some authors defend the right of subjects to resist the commands of the monarch when they were tyrannical, justifying even the tyrannicide; others denied this right and affirmed the unrestricted duty of obedience to the political authority. the aim of this paper is to present this quarrel and to emphasize some of its aspects that anticipate the modern debate on the political resistance.
TELECOMUNICA ES E RADIODIFUS O: UMA QUEST O DE DESVINCULA O NORMATIVA TELECOMMUNICATIONS AND BROADCASTING: A QUESTION OF REGULATORY DISSOCIATION
Chalini Torquato Gonalves de Barros
REMark : Revista Brasileira de Marketing , 2009, DOI: 10.5585/remark.v7i2.1330
Abstract: A legisla o que rege a comunica o no Brasil é marcada pelo significativo paradoxo da desvincula o normativa entre os servi os de radiodifus o e de telecomunica o, desde a privatiza o do setor, à época, pelo presidente Fernando Henrique Cardoso. Entre os fatores que contribuem para o estabelecimento de tal situa o est o práticas de clientelismo inerentes à cultura política brasileira. Indo por esse caminho, o setor de comunica o brasileiro segue um rumo inverso ao da tendência mundial de convergência tecnológica e normativa, além de fragilizar o Estado no que diz respeito ao cumprimento de seu papel regulador, especialmente porque ele se faz vulnerável às press es dos atores mais influentes do setor. The legislation governing the communication in Brazil is marked by significant normative paradox between the telecommunication and broadcasting services, from the privatization of the sector at the time of President Fernando Henrique Cardoso. Among the factors that contribute to the establishment of such situation are practices of patronage, inherent in the Brazilian political culture. In the same manner, the communication sector of Brazil follows an opposite direction to the worldwide trend of technological and legislative convergence besides weakening the State with regard to the compliance of its regulatory role, especially because it is vulnerable to pressures from more influential sector actors.
Crian?a hospitalizada: percep??o das m?es sobre o vínculo afetivo crian?a-família
Oliveira, Beatriz Rosana Gonalves de;Collet, Neusa;
Revista Latino-Americana de Enfermagem , 1999, DOI: 10.1590/S0104-11691999000500012
Abstract: this purpose of this research was to verify the perception of the mother who has her child sick and hospitalized, about the importance of her permanence during the hospitalization time for the maintenance of the affective child-family link. empiric data were collected with mother's of hospitalized children, who were accompanying the hospitalization of their children in a public hospital at the cascavel city in the west of paraná, brazil, through semi-structured interviews. the analysis of these data demonstrated that the mothers recognize the importance of staying with their children in such a stress time like the hospitalization time, however, the external facts that influence their daily life, often do not allow them to stay with their children.
Estimativa do fluxo dos resíduos de equipamentos elétricos e eletr?nicos no município de Belo Horizonte, Minas Gerais, Brasil
Franco, Rosana Gonalves Ferreira;Lange, Liséte Celina;
Engenharia Sanitaria e Ambiental , 2011, DOI: 10.1590/S1413-41522011000100011
Abstract: the aim of this study was to obtain an understanding of the flow of e-waste at the city of belo horizonte - minas gerais, brazil. an estimative of the amount of e-waste generated and the domestic and second hand flow were investigated to achieve this goal. the results estimated approximately 153,000 tones of e-waste generated for the period of 2008 to 2023, and the main domestic disposal given by the consumers is donation. we concluded that the environmental management initiatives usually comes from the private sector and are applied to computers and mobile phones only. other e-wastes are handled using improper tools, creating health and safety hazards for the workers, as well as those e-wastes have been arranged in an irregular way.
Acidentes de trabalho e doen?a ocupacional: estudo sobre o conhecimento do trabalhador hospitalar dos riscos à saúde de seu trabalho
Oliveira, Beatriz Rosana Gonalves de;Murofuse, Neide Tiemi;
Revista Latino-Americana de Enfermagem , 2001, DOI: 10.1590/S0104-11692001000100016
Abstract: this study searches to gather the knowledge of the hospitalar health workers in relationship their own health in the development of their activities. the study was accomplished in a general hospital, of medium load, with medicine service occupational functioning. the way gone through is the presentation of the subject in study and the theoretical foundation as a way of basing the analysis of the datas, gathered through the questionaire, to apprehend the worker's knowledge about the relationship work-health-disease. the result evidenced the workers' generic knowledge concernig the prevention of accidents and occupational diseases.
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