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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Agropecuária Oeste; Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Cerrados; Embrapa Meio-Norte; Embrapa Pantanal; Embrapa Rondônia; Embrapa Roraima; Embrapa Semiárido; Embrapa Tabuleiros Costeiros; Embrapa Unidades Centrais. MenosEmbrapa Agrobiologia; Embrapa Agropecuária Oeste; Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Cerrados; Embrapa Meio-Norte; Embrapa Pantanal; Embrapa Rondônia; Embrapa Roraima... Mostrar Todas |
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Data corrente: |
28/03/2005 |
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Data da última atualização: |
04/07/2013 |
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Autoria: |
CUENCA, M. A. G.; NAZÁRIO, C. C. |
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Afiliação: |
MANUEL ALBERTO GUTIERREZ CUENCA, CPATC. |
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Título: |
Comportamento da cocoicultura nos tabuleiros costeiros paraibanos: sua evolução entre 1990 e 2002. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Aracaju: Embrapa Tabuleiros Costeiros, 2004. |
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Páginas: |
26 p. |
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Descrição Física: |
il. |
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Série: |
(Embrapa Tabuleiros Costeiros. Documentos, 67). |
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Idioma: |
Português |
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Conteúdo: |
Evolução histórica da produção. Comportamento da produção de côco no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002. Comportamento da área colhida com côco no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002. Comportamento do rendimento da cocoicultura no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002. |
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Palavras-Chave: |
1; 2; 3; Brasil; Coco-Evolução histórica; Coco-Produção; Coco-Tabuleiros costeiros; Coconut; Evolução; Evolução histórica; Paraíba; Tabuleiros costeiros; Tabuleiros Costerios. |
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Thesagro: |
Coco; Economia; Produção. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/85495/1/CPATC-DOC.-67-04.pdf
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Marc: |
LEADER 01286nam a2200337 a 4500
001 1371198
005 2013-07-04
008 2004 bl uuuu u0uu1 u #d
100 1 $aCUENCA, M. A. G.
245 $aComportamento da cocoicultura nos tabuleiros costeiros paraibanos$bsua evolução entre 1990 e 2002.
260 $aAracaju: Embrapa Tabuleiros Costeiros$c2004
300 $a26 p.$cil.
490 $a(Embrapa Tabuleiros Costeiros. Documentos, 67).
520 $aEvolução histórica da produção. Comportamento da produção de côco no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002. Comportamento da área colhida com côco no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002. Comportamento do rendimento da cocoicultura no Estado e nos Tabuleiros Costeiros Paraibanos entre 1990 e 2002.
650 $aCoco
650 $aEconomia
650 $aProdução
653 $a1
653 $a2
653 $a3
653 $aBrasil
653 $aCoco-Evolução histórica
653 $aCoco-Produção
653 $aCoco-Tabuleiros costeiros
653 $aCoconut
653 $aEvolução
653 $aEvolução histórica
653 $aParaíba
653 $aTabuleiros costeiros
653 $aTabuleiros Costerios
700 1 $aNAZÁRIO, C. C.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
19/07/2023 |
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Data da última atualização: |
19/07/2023 |
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Tipo da produção científica: |
Nota Técnica/Nota Científica |
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Autoria: |
AZEVEDO, T. C.; GUIMARAES, F. F. M.; TRINDADE, R. dos S.; LANA, U. G. de P.; SOUZA, I. R. P. de. |
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Afiliação: |
TÁCILA CRISTINA AZEVEDO, Universidade Federal de São João del-Rei; FLÁVIA FERREIRA MENDES GUIMARAES, Faculdades Ciências da Vida; ROBERTO DOS SANTOS TRINDADE, CNPMS; UBIRACI GOMES DE PAULA LANA, CNPMS; ISABEL REGINA PRAZERES DE SOUZA, CNPMS. |
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Título: |
Comparison of protocols for chromosome duplication in haploid maize. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Revista Brasileira de Milho e Sorgo, v. 22, e1311, 2023. |
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DOI: |
https://doi.org/10.18512/rbms2023v22e1311 |
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Idioma: |
Inglês |
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Conteúdo: |
Different methods of chromosome duplication are used to obtain doubled haploids in maize; however, comparisons of efficiency among protocols have only begun to appear in the literature. Therefore, this study aimed to compare the efficiency of three protocols of chromosome duplication. A randomized block experimental design was used, with three replications composed of three treatments of chromosome duplication (duplication by colchicine injection in plants, duplication by immersion of roots in colchicine solution, and duplication by immersion of newly germinated seedlings in colchicine solution). Two hundred seventy haploid seeds were obtained from crossing the genotype source 91500212 with the haploid inducer hybrid Tail P1 × Tail P2, with 90 seeds for each treatment. In the chromosome duplication through injection, a colchicine solution at 0.125% was applied to the stem of the seedlings 15 days after germination. In the chromosome duplication through root immersion, 15 days after germination, the roots of the seedlings were immersed in a 1% colchicine solution for six hours, followed by removing colchicine residues and transplanting them in trays with the substrate. Finally, in the chromosome duplication of newly germinated seedlings, three days old seedlings were immersed in a 0.06% colchicine solution for 12 hours, then removed from the solution and transplanted in trays with the substrate. Twenty days after treatment, the plants were transplanted in 20-liter pots with fertilized soil in a greenhouse, beginning data collection. Results indicate that the injection protocol showed better survival, better practicality of application, and lower costs and risks. MenosDifferent methods of chromosome duplication are used to obtain doubled haploids in maize; however, comparisons of efficiency among protocols have only begun to appear in the literature. Therefore, this study aimed to compare the efficiency of three protocols of chromosome duplication. A randomized block experimental design was used, with three replications composed of three treatments of chromosome duplication (duplication by colchicine injection in plants, duplication by immersion of roots in colchicine solution, and duplication by immersion of newly germinated seedlings in colchicine solution). Two hundred seventy haploid seeds were obtained from crossing the genotype source 91500212 with the haploid inducer hybrid Tail P1 × Tail P2, with 90 seeds for each treatment. In the chromosome duplication through injection, a colchicine solution at 0.125% was applied to the stem of the seedlings 15 days after germination. In the chromosome duplication through root immersion, 15 days after germination, the roots of the seedlings were immersed in a 1% colchicine solution for six hours, followed by removing colchicine residues and transplanting them in trays with the substrate. Finally, in the chromosome duplication of newly germinated seedlings, three days old seedlings were immersed in a 0.06% colchicine solution for 12 hours, then removed from the solution and transplanted in trays with the substrate. Twenty days after treatment, the plants were transplanted in 20-liter pots with f... Mostrar Tudo |
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Palavras-Chave: |
Duplo haploide; Production of lines. |
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Thesagro: |
Linhagem; Milho; Zea Mays. |
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Thesaurus NAL: |
Doubled haploids. |
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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/doc/1155039/1/Comparison-of-protocols-for-chromosome-duplication-in-haploid-maize.pdf
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Marc: |
LEADER 02438naa a2200253 a 4500
001 2155039
005 2023-07-19
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.18512/rbms2023v22e1311$2DOI
100 1 $aAZEVEDO, T. C.
245 $aComparison of protocols for chromosome duplication in haploid maize.$h[electronic resource]
260 $c2023
520 $aDifferent methods of chromosome duplication are used to obtain doubled haploids in maize; however, comparisons of efficiency among protocols have only begun to appear in the literature. Therefore, this study aimed to compare the efficiency of three protocols of chromosome duplication. A randomized block experimental design was used, with three replications composed of three treatments of chromosome duplication (duplication by colchicine injection in plants, duplication by immersion of roots in colchicine solution, and duplication by immersion of newly germinated seedlings in colchicine solution). Two hundred seventy haploid seeds were obtained from crossing the genotype source 91500212 with the haploid inducer hybrid Tail P1 × Tail P2, with 90 seeds for each treatment. In the chromosome duplication through injection, a colchicine solution at 0.125% was applied to the stem of the seedlings 15 days after germination. In the chromosome duplication through root immersion, 15 days after germination, the roots of the seedlings were immersed in a 1% colchicine solution for six hours, followed by removing colchicine residues and transplanting them in trays with the substrate. Finally, in the chromosome duplication of newly germinated seedlings, three days old seedlings were immersed in a 0.06% colchicine solution for 12 hours, then removed from the solution and transplanted in trays with the substrate. Twenty days after treatment, the plants were transplanted in 20-liter pots with fertilized soil in a greenhouse, beginning data collection. Results indicate that the injection protocol showed better survival, better practicality of application, and lower costs and risks.
650 $aDoubled haploids
650 $aLinhagem
650 $aMilho
650 $aZea Mays
653 $aDuplo haploide
653 $aProduction of lines
700 1 $aGUIMARAES, F. F. M.
700 1 $aTRINDADE, R. dos S.
700 1 $aLANA, U. G. de P.
700 1 $aSOUZA, I. R. P. de
773 $tRevista Brasileira de Milho e Sorgo$gv. 22, e1311, 2023.
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Embrapa Milho e Sorgo (CNPMS) |
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