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| 1. |  | DELAMUTA, J. R. M.; RIBEIRO, R. A.; MENNA, P.; HUNGRIA, M. Taxonomia e filogenia de estirpes de Bradyrhizobium com base na metodologia de MLSA (Multilocus Sequence Analysis). In: CONGRESSO BRASILEIRO DE MICROBILOGIA, 26.; SIMPÓSIO INTERNACIONAL DE BACTÉRIAS LÁTICAS; ENCONTRO NACIONAL DE PROFESSORES DE MICROBIOLOGIA; SIMPÓSIO DE COLEÇÕES DE CULTURAS, 4., 2011, Foz do Iguaçu. Anais... São Paulo: SBM, 2011. Resumo, 789-1.| Biblioteca(s): Embrapa Soja. |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
18/08/2021 |
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Data da última atualização: |
18/08/2021 |
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Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
OLIVEIRA, P. S. d'; SUZUKI, L. S.; CARNEIRO, J. da C.; MACHADO, J. C.; PRATES, J. F.; ROCHA, J. R. do A. S. de C. |
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Afiliação: |
PERSIO SANDIR D OLIVEIRA, CNPGL; LETICIA SAYURI SUZUKI, CNPGL; JAILTON DA COSTA CARNEIRO, CNPGL; JUAREZ CAMPOLINA MACHADO, CNPGL; JADER FORQUIM PRATES, Bacharel, Instituto Federal de Educação, Ciência e Tecnologia do Sudeste; JOÃO ROMERO DO AMARAL SANTOS DE CARVALHO ROCHA, Universidade Federal de Viçosa. |
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Título: |
Use of SPAD index in elephant grass pre-breeding. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Semina. Ciências Agrárias, Londrina, v. 41, n. 3, p. 1047-1052, maio/jun. 2020. |
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Idioma: |
Inglês |
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Notas: |
Short communication. |
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Conteúdo: |
The SPAD-502 (Soil Plant Analysis Development) chlorophyll meter is a simple diagnostic tool that instantly measures the chlorophyll content of plant leaves without damaging the leaf blade. This study aimed to evaluate the efficacy of the SPAD index as a tool for discriminating elephant grass acessions from different morphological groups. One hundred genotypes of the elephant grass Pennisetum purpureum from the Active Germplasm Bank at Embrapa Dairy Cattle, Minas Gerais, Brazil were evaluated. Following uniform cutting, six SPAD readings were taken from each accession every 60 days. Measurements were taken for two years. The experimental design was a 10 × 10 simple lattice with two replications. Joint deviance analysis for six SPAD measurements revealed great genetic variability between genotypes. SPAD values of Cameroon and Napier accessions were, on average, significantly different. The SPAD index was effective in detecting genetic variability between elephant grass acessions. However, it should not be used alone as a morphological descriptor, but in combination with other descriptors. |
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Palavras-Chave: |
Clorofilômetro; Crop breeding. |
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Thesagro: |
Gramínea Forrageira; Melhoramento Vegetal; Pennisetum Purpureum. |
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Thesaurus NAL: |
Chlorophyll. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225325/1/Use-SPAD.pdf
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Marc: |
LEADER 01895naa a2200265 a 4500
001 2133703
005 2021-08-18
008 2020 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, P. S. d'
245 $aUse of SPAD index in elephant grass pre-breeding.$h[electronic resource]
260 $c2020
500 $aShort communication.
520 $aThe SPAD-502 (Soil Plant Analysis Development) chlorophyll meter is a simple diagnostic tool that instantly measures the chlorophyll content of plant leaves without damaging the leaf blade. This study aimed to evaluate the efficacy of the SPAD index as a tool for discriminating elephant grass acessions from different morphological groups. One hundred genotypes of the elephant grass Pennisetum purpureum from the Active Germplasm Bank at Embrapa Dairy Cattle, Minas Gerais, Brazil were evaluated. Following uniform cutting, six SPAD readings were taken from each accession every 60 days. Measurements were taken for two years. The experimental design was a 10 × 10 simple lattice with two replications. Joint deviance analysis for six SPAD measurements revealed great genetic variability between genotypes. SPAD values of Cameroon and Napier accessions were, on average, significantly different. The SPAD index was effective in detecting genetic variability between elephant grass acessions. However, it should not be used alone as a morphological descriptor, but in combination with other descriptors.
650 $aChlorophyll
650 $aGramínea Forrageira
650 $aMelhoramento Vegetal
650 $aPennisetum Purpureum
653 $aClorofilômetro
653 $aCrop breeding
700 1 $aSUZUKI, L. S.
700 1 $aCARNEIRO, J. da C.
700 1 $aMACHADO, J. C.
700 1 $aPRATES, J. F.
700 1 $aROCHA, J. R. do A. S. de C.
773 $tSemina. Ciências Agrárias, Londrina$gv. 41, n. 3, p. 1047-1052, maio/jun. 2020.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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