Consulta: subjectFacets:"Microsphaera diffusa"
Registros recuperados: 6
Data/hora: 09/06/2024 08:46:31

ELECTROSTATIC SPRAYING EFFECT ON SPRAY DEPOSITION AND POWDERY MILDEW CONTROL IN SOYBEAN
Provedor de dados: 70
Autores: Assunção,Heli H. T. de; Silva,Sérgio M.; Alves,Guilherme S.; Zandonadi,Cesar H. S.; Cunha,João P. A. R. da.
ABSTRACT Electrostatic spray can bring benefits to the pesticide application such as the reduction of application rate and the increase of deposits on targets. Therefore, this study aimed to evaluate the effect of electrostatic spraying using lower application rates and different adjuvants on soybean spray deposition and chemical control of powdery mildew (Microsphaera diffusa Cooke &amp; Peck). The field experiment was conducted in duplicate. A randomized complete block design with four replications in a 2 × 2 × 2 + 1 factorial scheme was used. The factors were two application rates, with and without droplet electrification, two spray solution compositions, and one additional treatment. Deposition on upper and lower leaves, spray loss to the soil, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Application rate; Droplet electrification; Application technology; Microsphaera diffusa.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162019000600721

Oídio da soja.
Provedor de dados: 14
Autores: YORINORI, J. T.
bitstream/CNPSO/17662/1/comTec059.pdf
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: Microsphaera diffusa; Soybean; Plant disease.; Doença de Planta; Fungo; Oídio; Soja.
Ano: 1997
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/462060

The impact of fungicides on Nomuraea rileyi (Farlow) Samson epizootics and on populations of Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae), on soybean
Provedor de dados: 82
Autores: Sosa-Gómez,Daniel R.; Delpin,Katiaíres E.; Moscardi,Flávio; Nozaki,Márcia de H.
The fungus Nomuraea rileyi (Farlow) Samson is one of the most important natural enemies of soybean caterpillars, mainly under humid weather conditions. Outbreaks of the fungus Microsphaera diffusa Cooke &amp;amp; Peck have demanded fungicide applications on soybeans, which could result in outbreaks of noctuid populations by reduction of the natural inocula of N. rileyi. The recommended fungicides have shown to be detrimental to beneficial fungi, reducing infection, delaying epizootics, and resulting in increased host population densities. In laboratory assays, benomyl, difenoconazole, sulphur and carbendazim affected conidial germination of N. rileyi, being the latter less deleterious. To assess the impact of fungicides used to control M. diffusa, on N....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Entomopathogenic fungi; Difenoconazole; Benomyl; Carbendazim; Microsphaera diffusa; Biocontrol.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000200014

Insect damage and powdery mildew severity in soybean cultivars and lines
Provedor de dados: 63
Autores: Lourenção,André Luiz; Braga,Nelson Raimundo; Miranda,Manoel Albino Coelho de; Reco,Paulo César; Valle,Giuliana Etore do; Pereira,José Carlos Vila Nova Alves.
The use of soybean cultivars resistant to insects and diseases reduces the application of pesticides, decreasing production costs and promoting a sustainable agriculture. The damage of stink bugs and defoliators and the severity of powdery mildew (Microsphaera diffusa) in soybean of three maturity groups were evaluated under field conditions, at Tarumã and Ribeirão Preto, State of São Paulo, Brazil. Three experiments, one for each group, were carried out in the 1999/2000 and 2000/2001 growing seasons. In 1999/2000, the disease occurred in Tarumã; in that year, infestation of chrysomelids (Cerotoma sp. and Colaspis sp.) was observed in Ribeirão Preto. Low infestations of stink bugs occurred in both years and locations, but in Tarumã, at the stage of plant...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Microsphaera diffusa; Host plant resistance; Stink bugs; Defoliators.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000600004

Fungicidas e mistura de fungicidas no controle do oídio da soja
Provedor de dados: 102
Autores: BLUM,LUIZ E. B.; REIS,EMERSON F.; PRADE,ALEXANDER G.; TAVELA,VANDERLEI J.
Dois experimentos foram conduzidos em Londrina/PR para avaliar a eficácia de fungicidas e suas misturas no controle do oídio (Microsphaera diffusa) da soja (Glycine max). Uma aplicação dos produtos foi feita no estádio R4 da soja cv. EMBRAPA 48. Os melhores resultados foram obtidos com os seguintes fungicidas: tebuconazol-1 e tebuconazol-2, carbendazim-1 e carbendazim-2 (produtos comerciais diferentes). Teste 1 - tebuconazol-2 (150 g i. a./ha), prochloraz + propiconazol (225 + 62,5), propiconazole + carbendazim-1 (50 + 175) e tebuconazol-1 + propiconazol (75 + 62,5); Teste 2 - carbendazim-1 (250), carbendazim-2 (250) e tebuconazol-2 (100).
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Glycine max; Microsphaera diffusa; Oídio; Cinza.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582002000200016

Avaliação de danos de insetos e de severidade de oídio em genótipos de soja
Provedor de dados: 53
Autores: Lourenção,André Luiz; Braga,Nelson Raimundo; Miranda,Manoel Albino Coelho de; Reco,Paulo César; Fugi,Cristina Gomes Quevedo; Pereira,José Carlos Vila Nova Alves.
Avaliou-se o desempenho de 24 linhagens de soja do programa de melhoramento do Instituto Agronômico (IAC) em experimentos de campo em relação ao ataque de insetos e à incidência de oídio. Três experimentos, um para cada ciclo (precoce, semiprecoce e médio) foram instalados nas unidades experimentais de Assis (anos agrícolas 2001/2002 e 2002/2003) e de Ribeirão Preto (2001/2002). Para os três experimentos, o delineamento utilizado foi o de blocos ao acaso, com dez tratamentos e seis repetições. As injúrias foliares causadas por lagartas de Anticarsia gemmatalis Hübner foram estimadas visualmente, atribuindo-se uma porcentagem de desfolha à parcela inteira. Os danos de percevejos [Piezodorus guildinii (West.) e Euschistus heros (F.)] foram avaliados através...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Resistência de plantas a insetos; Pentatomidae; Anticarsia gemmatalis; Microsphaera diffusa.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052005000300012