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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
16/01/2014 |
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Data da última atualização: |
27/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, E. de; GAMA, E. E. G. e; TEIXEIRA, F. F.; OLIVEIRA, A. C. de; SILVA, A. R. da. |
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Afiliação: |
ELIZABETH DE OLIVEIRA SABATO, CNPMS; Elto Eugênio Gomes e Gama; FLAVIA FRANCA TEIXEIRA, CNPMS; ANTONIO CARLOS DE OLIVEIRA, CNPMS; ADELMO RESENDE DA SILVA, CNPMS. |
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Título: |
Genetic control of maize resistance to corn stunt spiroplasma. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Phytopathogenic Mollicutes, New Delhi, v. 3, n. 2, p. 67-71, Dec. 2013. |
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DOI: |
10.5958/j.2249-4677.3.2.016 |
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Idioma: |
Inglês |
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Conteúdo: |
The corn stunt spiroplasma (CSS) is transmitted by Dalbulus maidis leafhopper. The disease causes severe losses on maize production. One complete diallel genotype of two corn stunt resistant maize lines, and two corn stunt susceptible maize lines were tested by spiroplasma inoculation under insect-proof screenhouse condition, in order to elucidate the maize genetic control to this disease. The percentage of reduction on plant dry weight caused by the spiroplasma inoculation in relation to the dry weight average of the healthy plants, was calculated for each plant spiroplasma inoculated, to express maize resistance. The disease incidence for each treatment was represented by the percentage of plants with CSS symptoms. The disease severity was scored based on CSS symptoms severity, for each plant. Reductions on the dry weight were caused by the disease; the disease severity data showed a positive and strong correlation (r = 0.80). The statistical analyses indicated that genetic control of maize resistance to spiroplasma includes genes with additive effects and genes with dominance or epistatic effects, suggesting complex resistance inheritance. One line was better performing than all the others, reducing the disease damage, as well per se as in crosses. |
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Thesagro: |
Doença de planta; Zea mays. |
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Thesaurus Nal: |
Dalbulus maidis; Plant diseases and disorders; Spiroplasma kunkelii. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02007naa a2200241 a 4500
001 1976330
005 2017-09-27
008 2013 bl uuuu u00u1 u #d
024 7 $a10.5958/j.2249-4677.3.2.016$2DOI
100 1 $aOLIVEIRA, E. de
245 $aGenetic control of maize resistance to corn stunt spiroplasma.$h[electronic resource]
260 $c2013
520 $aThe corn stunt spiroplasma (CSS) is transmitted by Dalbulus maidis leafhopper. The disease causes severe losses on maize production. One complete diallel genotype of two corn stunt resistant maize lines, and two corn stunt susceptible maize lines were tested by spiroplasma inoculation under insect-proof screenhouse condition, in order to elucidate the maize genetic control to this disease. The percentage of reduction on plant dry weight caused by the spiroplasma inoculation in relation to the dry weight average of the healthy plants, was calculated for each plant spiroplasma inoculated, to express maize resistance. The disease incidence for each treatment was represented by the percentage of plants with CSS symptoms. The disease severity was scored based on CSS symptoms severity, for each plant. Reductions on the dry weight were caused by the disease; the disease severity data showed a positive and strong correlation (r = 0.80). The statistical analyses indicated that genetic control of maize resistance to spiroplasma includes genes with additive effects and genes with dominance or epistatic effects, suggesting complex resistance inheritance. One line was better performing than all the others, reducing the disease damage, as well per se as in crosses.
650 $aDalbulus maidis
650 $aPlant diseases and disorders
650 $aSpiroplasma kunkelii
650 $aDoença de planta
650 $aZea mays
700 1 $aGAMA, E. E. G. e
700 1 $aTEIXEIRA, F. F.
700 1 $aOLIVEIRA, A. C. de
700 1 $aSILVA, A. R. da
773 $tPhytopathogenic Mollicutes, New Delhi$gv. 3, n. 2, p. 67-71, Dec. 2013.
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