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| Registros recuperados : 158 | |
| 63. |  | RAPOSEIRAS, R.; SOUZA, I. R. P. de; ALVES, V. M. C.; MAGALHAES, P. C.; SCHAFFERT, R. E. Teores de fenólicos em raizes de milho sob toxidez de alumínio. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 4, n. 3, p. 374-380, 2005.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 66. | | OLIVEIRA, C. M. de; OLIVEIRA, E. de; SOUZA, I. R. P. de; ALVES, E.; DOLEZAL, W.; PARADELL, S.; REMES LENICOV, A. M. M.; FRIZZAS, M. R. Abundance and species richness of leafhoppers and planthoppers (Hemiptera: Cicadellidae and Delphacidae) in Brazilian maize crops. Florida Entomologist, Gainesville, v. 96, n. 4, p. 1470-1481, 2013.| Biblioteca(s): Embrapa Cerrados; Embrapa Milho e Sorgo. |
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| 67. | | MAGALHAES, P. C.; DURAES, F. O. M.; ANDRADE, C. L. de; OLIVEIRA, A. C. de; SOUZA, I. R. P. de; GAMA, E. E. G. e. Adaptação de milho a diferentes condições de encharcamento. In: CONGRESSO BRASILEIRO DE FISIOLOGIA VEGETAL, 8., 2001, Ilhéus. Anais... Ilhéus: SBFV, 2001. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 68. | | PAULA, A. L. S. P.; SOUZA, I. R. P. de; TRINDADE, R. dos S.; ALVES, M. de C.; GUIMARAES, P. E. de O.; GUIMARAES, L. J. M. Alterações morfológicas em estômatos de haploides de milho. In: CONGRESSO NACIONAL DE MILHO E SORGO, 32., 2018, Lavras. Soluções integradas para os sistemas de produção de milho e sorgo no Brasil: resumos. Sete Lagoas: Associação Brasileira de Milho e Sorgo, 2018. p. 231.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 69. | | MENDES, F. F.; SOUZA, I. R. P. de; MAGALHAES, P. C.; GUIMARAES, L. J. M.; SOUSA, S. M. de; PARENTONI, S. N.; GUIMARAES, C. T. Co-localization of QTLs for root traits, P efficiency indexes and grain yield in maize under low-P soil. In: CONGRESSO BRASILEIRO DE BIOTECNOLOGIA, 6., 2015, Brasília. [Resumos]. Brasília, DF: Sociedade Brasileira de Biotecnologia, 2015.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 70. | | SOUZA, I. R. P. de; ALVES, V. M. C.; PARENTONI, S. N.; OLIVEIRA, A. C. de; TEIXEIRA, F. F.; ADAM, J. W. Mac. Change in root apical protein and peroxidase activity in response to aluminum in tolerant and sensitive maize inbred lines. Brazilian Journal of Plant Physiology, Londrina, v. 14, n. 3, p. 219-224, 2002.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 71. | | SCHUELTER, A. R.; SOUZA, I. R. P. de; TAVARES, F. F.; SANTOS, M. X. dos; OLIVEIRA, E. de; GUIMARAES, C. T. Controle genético da resistência do milho a mancha por Phaeosphaeria. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 2, n. 1, p. 80-86, jan./abr. 2003.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 73. | | SOUZA, I. R. P. de; GUILHEN, J. H. S.; ANDRADE, C. de L. T. de; PINTO, M. de O.; LANA, U. G. de P.; PASTINA, M. M. Major effect qtl on chromosome 3 conferring maize resistance to Sugarcane mosaic virus. Revista Brasileira de Milho e Sorgo, v. 18, n. 3, p. 322-339, 2019.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 77. | | CASTANHEIRA, A. L. M.; SOUZA, I. R. P. de; OLIVEIRA, E. de; CARNEIRO, N. P.; NETTO, D. A. M.; PAIVA, E. Diversidade genética de isolados geográficos de Spiroplasma kunkelii. In: CONGRESSO NACIONAL DE MILHO E SORGO, 26.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA-DO-CARTUCHO, SPODOPTERA FRUGIPERDA, 2.; SIMPÓSIO SOBRE COLLETOTRICHUM GRAMINICOLA, 1., 2006, Belo Horizonte. Inovação para sistemas integrados de produção: trabalhos apresentados. [Sete Lagoas]: ABMS, 2006. 1 CD-ROM.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 79. | | RAFAEL, H. A.; SANTOS, I. F. dos; BARBOSA, T. A. N.; SANTOS, C. A. dos; SOUZA, I. R. P. de; RODRIGUES, G. T.; VILELA, M.; MENDES, S. M. Efeito da idade e da ingestão de milho Bt na sobrevivência e no período letal da lagarta-do-cartucho do milho. In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 25., 2014, Goiânia. Resumos... Santo Antônio de Goiás: Sociedade Entomológica do Brasil, 2014. p. 815| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 80. | | NETTO, D. A. M.; SOUZA, I. R. P. de; OLIVEIRA, A. C. de; PINTO, C. A. B. P.; ANDRADE, R. V. de. Avaliação agronômica e moleculares de acessos da coleção núcleo de milho, subgrupo endosperma duro. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 3, n. 1, p. 92-107, 2004.| Biblioteca(s): Embrapa Milho e Sorgo. |
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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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