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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
03/07/2017 |
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Data da última atualização: |
06/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LANZA, F. E.; ZAMBOLIM, L.; COSTA, R. V.; FIGUEIREDO, J. E. F.; SILVA, D. D.; QUEIROZ, V. A. V.; GUIMARAES, E. A.; COTA, L. V. |
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Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; JOSE EDSON FONTES FIGUEIREDO, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS; VALERIA APARECIDA VIEIRA QUEIROZ, CNPMS; LUCIANO VIANA COTA, CNPMS. |
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Título: |
Symptomatological aspects associated with fungal incidence and fumonisin levels in corn kernels. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Tropical Plant Pathology, Brasília, DF, v. 42, p. 304-308, 2017. |
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DOI: |
10.1007/s40858-017-0148-2 |
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Idioma: |
Inglês |
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Conteúdo: |
Toxigenic fungi that infect corn grains are among the major problems in Brazil as they are associated with toxicological implications for both humans and animals. Mechanical-physical methods have been used to separate contaminated grains in lots of corn kernels based on the symptoms caused by fungi. The objective of this study was to assess whether the presence or the type of symptoms were associated with fungal incidence and total fumonisin levels in corn kernel samples from the field. Kernels of two hybrids were separated visually into three groups: 1) asymptomatic or symptomatic exhibiting 2) kernel rot or 3) kernel streak symptoms. A high frequency of Fusarium spp. was observed in asymptomatic (69.5%) and kernel rot (69.9%). Stenocarpella sp. and Penicillium sp. were found in kernel rot (16.0%) and kernel streak (44.1%), respectively. High fumonisin levels (7.24 μg.g-1), above the maximum tolerated limit, were detected only in kernel rot. No association between fumonisin levels and the frequency of Fusarium spp. in kernels was found. |
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Thesagro: |
Doença de planta; Doença fungica; Fungo; Milho. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/163573/1/Symptomalogical-aspects.pdf
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Marc: |
LEADER 01841naa a2200265 a 4500
001 2071843
005 2017-09-06
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1007/s40858-017-0148-2$2DOI
100 1 $aLANZA, F. E.
245 $aSymptomatological aspects associated with fungal incidence and fumonisin levels in corn kernels.$h[electronic resource]
260 $c2017
520 $aToxigenic fungi that infect corn grains are among the major problems in Brazil as they are associated with toxicological implications for both humans and animals. Mechanical-physical methods have been used to separate contaminated grains in lots of corn kernels based on the symptoms caused by fungi. The objective of this study was to assess whether the presence or the type of symptoms were associated with fungal incidence and total fumonisin levels in corn kernel samples from the field. Kernels of two hybrids were separated visually into three groups: 1) asymptomatic or symptomatic exhibiting 2) kernel rot or 3) kernel streak symptoms. A high frequency of Fusarium spp. was observed in asymptomatic (69.5%) and kernel rot (69.9%). Stenocarpella sp. and Penicillium sp. were found in kernel rot (16.0%) and kernel streak (44.1%), respectively. High fumonisin levels (7.24 μg.g-1), above the maximum tolerated limit, were detected only in kernel rot. No association between fumonisin levels and the frequency of Fusarium spp. in kernels was found.
650 $aDoença de planta
650 $aDoença fungica
650 $aFungo
650 $aMilho
700 1 $aZAMBOLIM, L.
700 1 $aCOSTA, R. V.
700 1 $aFIGUEIREDO, J. E. F.
700 1 $aSILVA, D. D.
700 1 $aQUEIROZ, V. A. V.
700 1 $aGUIMARAES, E. A.
700 1 $aCOTA, L. V.
773 $tTropical Plant Pathology, Brasília, DF$gv. 42, p. 304-308, 2017.
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Embrapa Milho e Sorgo (CNPMS) |
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