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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo; Embrapa Pesca e Aquicultura. |
Data corrente: |
21/03/2023 |
Data da última atualização: |
14/06/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
COSTA, R. V. da; ALMEIDA, R. E. M. de; COTA, L. V.; SILVA, D. D. da; LIMA, L. S.; SOUSA, C. W. A. de; SOUZA, M. R. de. |
Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; LUCIANO VIANA COTA, CNPMS; DAGMA DIONISIA DA SILVA ARAUJO, CNPMS; LILA SOARES LIMA, Faculdade Católica Do Tocantins; CÉSAR WILLIAM ALBUQUERQUE DE SOUSA, Instituto Federal Do Tocantins; MICAELE RODRIGUES DE SOUZA. |
Título: |
Corn stunt disease complex increases charcoal rot (Macrophomina phaseolina) under field conditions. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Tropical Plant Pathology, v. 48, p. 283-292, 2023. |
DOI: |
https://doi.org/10.1007/s40858-023-00570-z |
Idioma: |
Inglês |
Conteúdo: |
Maize production areas where corn stunt epidemics have been observed in the last three years exhibited severe symptoms of plant lodging. Consequently, plant lodging has been attributed to the causal agents of corn stunt disease complex. This study evaluated the association between corn stunting and charcoal rot diseases, and explained the occurrence of plant lodging in areas with a high incidence of corn stunting. Maize hybrid P30F53 VYH, which is susceptible to stalk rot and corn stunting, was sown in two areas. All maize plants from half of each experimental area were inoculated with the fungus of charcoal rot in corn, Macrophomina phaseolina. Corn stunting occurred naturally in the experimental areas, allowing the establishment of the following treatments: 1) inoculated with M. phaseolina and showing typical corn stunting symptoms; 2) inoculated with M. phaseolina and showing no symptoms of corn stunting; 3) not inoculated with M. phaseolina and showing symptoms of corn stunting; and 4) not inoculated with M. phaseolina and showing no symptoms of corn stunting. The incidence of early death was highest under combined infection (treatment 1). Plants with combined infection had 30% higher severity of charcoal rot in the inoculated internode that those with only charcoal rot. Plants with combined infection had 93.7% higher severity of charcoal rot in the internode above the inoculated internode and higher number of internodes with charcoal rot symptoms than those under other treatments. Plants with no disease had higher grain yield than those with isolated or combined infections. Combined infections resulted in reductions of all productivity components. For our knowledge this is the first scientific report showing that corn stunt disease complex increase stalk rot severity caused by M. phaseolina. MenosMaize production areas where corn stunt epidemics have been observed in the last three years exhibited severe symptoms of plant lodging. Consequently, plant lodging has been attributed to the causal agents of corn stunt disease complex. This study evaluated the association between corn stunting and charcoal rot diseases, and explained the occurrence of plant lodging in areas with a high incidence of corn stunting. Maize hybrid P30F53 VYH, which is susceptible to stalk rot and corn stunting, was sown in two areas. All maize plants from half of each experimental area were inoculated with the fungus of charcoal rot in corn, Macrophomina phaseolina. Corn stunting occurred naturally in the experimental areas, allowing the establishment of the following treatments: 1) inoculated with M. phaseolina and showing typical corn stunting symptoms; 2) inoculated with M. phaseolina and showing no symptoms of corn stunting; 3) not inoculated with M. phaseolina and showing symptoms of corn stunting; and 4) not inoculated with M. phaseolina and showing no symptoms of corn stunting. The incidence of early death was highest under combined infection (treatment 1). Plants with combined infection had 30% higher severity of charcoal rot in the inoculated internode that those with only charcoal rot. Plants with combined infection had 93.7% higher severity of charcoal rot in the internode above the inoculated internode and higher number of internodes with charcoal rot symptoms than those under other ... Mostrar Tudo |
Palavras-Chave: |
Infecção mista; Molicute; Predisposição a doenças. |
Thesagro: |
Doença de Planta; Doença Fúngica; Fungo; Milho; Podridão do Colmo. |
Thesaurus Nal: |
Fungal diseases of plants; Mixed infection; Mollicutes. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 02829naa a2200337 a 4500 001 2152550 005 2023-06-14 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s40858-023-00570-z$2DOI 100 1 $aCOSTA, R. V. da 245 $aCorn stunt disease complex increases charcoal rot (Macrophomina phaseolina) under field conditions.$h[electronic resource] 260 $c2023 520 $aMaize production areas where corn stunt epidemics have been observed in the last three years exhibited severe symptoms of plant lodging. Consequently, plant lodging has been attributed to the causal agents of corn stunt disease complex. This study evaluated the association between corn stunting and charcoal rot diseases, and explained the occurrence of plant lodging in areas with a high incidence of corn stunting. Maize hybrid P30F53 VYH, which is susceptible to stalk rot and corn stunting, was sown in two areas. All maize plants from half of each experimental area were inoculated with the fungus of charcoal rot in corn, Macrophomina phaseolina. Corn stunting occurred naturally in the experimental areas, allowing the establishment of the following treatments: 1) inoculated with M. phaseolina and showing typical corn stunting symptoms; 2) inoculated with M. phaseolina and showing no symptoms of corn stunting; 3) not inoculated with M. phaseolina and showing symptoms of corn stunting; and 4) not inoculated with M. phaseolina and showing no symptoms of corn stunting. The incidence of early death was highest under combined infection (treatment 1). Plants with combined infection had 30% higher severity of charcoal rot in the inoculated internode that those with only charcoal rot. Plants with combined infection had 93.7% higher severity of charcoal rot in the internode above the inoculated internode and higher number of internodes with charcoal rot symptoms than those under other treatments. Plants with no disease had higher grain yield than those with isolated or combined infections. Combined infections resulted in reductions of all productivity components. For our knowledge this is the first scientific report showing that corn stunt disease complex increase stalk rot severity caused by M. phaseolina. 650 $aFungal diseases of plants 650 $aMixed infection 650 $aMollicutes 650 $aDoença de Planta 650 $aDoença Fúngica 650 $aFungo 650 $aMilho 650 $aPodridão do Colmo 653 $aInfecção mista 653 $aMolicute 653 $aPredisposição a doenças 700 1 $aALMEIDA, R. E. M. de 700 1 $aCOTA, L. V. 700 1 $aSILVA, D. D. da 700 1 $aLIMA, L. S. 700 1 $aSOUSA, C. W. A. de 700 1 $aSOUZA, M. R. de 773 $tTropical Plant Pathology$gv. 48, p. 283-292, 2023.
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Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Unidades Centrais. |
Data corrente: |
18/02/2008 |
Data da última atualização: |
13/08/2018 |
Tipo da produção científica: |
Autoria/Organização/Edição de Livros |
Autoria: |
BARBOSA, A. de L.; PEREIRA, F. de M.; VIEIRA NETO, J. M.; REGO, J. G. de S.; LOPES, M. T. do R.; CAMARGO, R. C. R. de. |
Título: |
Criação de abelhas (apicultura). |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
Brasília, DF: Embrapa Informação Tecnológica; Teresina: Embrapa Meio-Norte, 2007. |
Páginas: |
113 p. |
Série: |
(ABC Agricultura Familiar, 18). |
ISBN: |
978-85-7383-415-4 |
Idioma: |
Português |
Conteúdo: |
Criar abelhas, um bom negócio!; Um pouco mais sobre as abelhas; O veneno das abelhas; Organização social e desenvolvimento das abelhas africanizadas; Os produtos das abelhas; Organização da colméia; Desenvolvimento das abelhas; Os faos; A comunicação das abelhas; Controle da temperatura; O apiário; Equipamentos e produtos necessários na criação de abelhas; Outros instrumentos; Preparo das colméias; Povoando as colméias; Como cuidar das colméias; Colméias fracas e colméias fortes; A alimentação das colméias; Coleta do mel; Transporte das melgueiras durante a coleta; A casa do mel; Equipamentos e utensílios para extração do mel; A apicultura como atividade comunitária e associativa. |
Palavras-Chave: |
Embrapa Informação Tecnológica; Embrapa Meio-Ambiente. |
Thesagro: |
Abelha; Agronegócio; Apicultura; Colméia; Inseto; Mel. |
Categoria do assunto: |
-- X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/11943/2/00081610.pdf
|
Marc: |
LEADER 01553nam a2200301 a 4500 001 1069838 005 2018-08-13 008 2007 bl uuuu 00u1 u #d 020 $a978-85-7383-415-4 100 1 $aBARBOSA, A. de L. 245 $aCriação de abelhas (apicultura). 260 $aBrasília, DF: Embrapa Informação Tecnológica; Teresina: Embrapa Meio-Norte$c2007 300 $a113 p. 490 $a(ABC Agricultura Familiar, 18). 520 $aCriar abelhas, um bom negócio!; Um pouco mais sobre as abelhas; O veneno das abelhas; Organização social e desenvolvimento das abelhas africanizadas; Os produtos das abelhas; Organização da colméia; Desenvolvimento das abelhas; Os faos; A comunicação das abelhas; Controle da temperatura; O apiário; Equipamentos e produtos necessários na criação de abelhas; Outros instrumentos; Preparo das colméias; Povoando as colméias; Como cuidar das colméias; Colméias fracas e colméias fortes; A alimentação das colméias; Coleta do mel; Transporte das melgueiras durante a coleta; A casa do mel; Equipamentos e utensílios para extração do mel; A apicultura como atividade comunitária e associativa. 650 $aAbelha 650 $aAgronegócio 650 $aApicultura 650 $aColméia 650 $aInseto 650 $aMel 653 $aEmbrapa Informação Tecnológica 653 $aEmbrapa Meio-Ambiente 700 1 $aPEREIRA, F. de M. 700 1 $aVIEIRA NETO, J. M. 700 1 $aREGO, J. G. de S. 700 1 $aLOPES, M. T. do R. 700 1 $aCAMARGO, R. C. R. de
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