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| Registros recuperados : 30 | |
| 5. |  | SILVA, L. da; MARCHIORI, P. E. R.; MACIEL, C. P.; MACHADO, E. C.; RIBEIRO, R. V. Fotossíntese, relações hídricas e crescimento de cafeeiros jovens em relação à disponibilidade de fósforo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 45, n. 9, p. 965-972, set. 2010 Título em inglês: Photosynthesis, water relations and growth of young coffee plants according to phosphorus availability.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 9. | | RIBEIRO, R. V.; SILVA, L. da; RAMOS, R. A.; ANDRADE, C. A. de; ZAMBROSI, F. C. B.; PEREIRA, S. P. O alto teor de silício no solo inibe o crescimento radicular de cafeeiros sem afetar as trocas gasosas foliares. Revista Brasileira de Ciência do Solo, Viçosa, v. 35, n. 3, p. 939-948, 2011.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 11. | | SILVA, I. D. S.; QUEIROGA, J. L. de; SILVA, L. da; GONÇALVES, L. P. C.; ALVAREZ, I. A. Experiências práticas de manejo orgânico de fruteiras no Sítio Catavento, Indaiatuba - SP. Cadernos de Agroecologia, v. 15, n. 2, 2020. Edição dos Anais do XI Congresso Brasileiro de Agroecologia, São Cristóvão, Sergipe, 2020. 5 p.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 14. | | SILVEIRA, M. H. L. S.; SIQUEIRA, F. G. de; RAU, M.; SILVA, L. da; MOREIRA, L. R. de S.; FILHO, E. X. F.; ANDREAUS, J. Hydrolysis of sugarcane bagasse with enzyme preparations from Acrophialophora nainiana grown on different carbon sources. Biocatalysis and Biotransformation, v. 32, n. 1, p. 53-63, 2014.| Biblioteca(s): Embrapa Agroenergia. |
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| 15. | | SILVA, J. V. da; RIBEIRO, M. N.; SILVA, L. da P. G. da; PIMENTA FILHO, E. C.; VILAR FILHO, A. da C. Cronologia dentária de caprinos mestiços e naturalizados criados no semi-árido paraibano. Agropecuária Técnica, Areia, v. 22, n. 1/2, o. 45-51, 2001.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 16. | | ROSA, J. R. B. F.; GUIMARÃES, C. T.; MAGALHAES, J. V. de; DIAS, K. O. das G.; SILVA, L. da C. e; PASTINA, M. M. Aplicação da associação genômica no melhoramento de plantas. In: PEIXOTO, L. de A.; BHERING, L. L.; CRUZ, C. D. (ed.). Seleção genômica aplicada ao melhoramento genético. Viçosa, MG: Universidade Federal de Viçosa, 2022. p. 47-71.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 17. | | SILVA, I. D. S. S.; QUEIROGA, J. L. de; FAGUNDES, G. G.; MORICHITA, L. S. Y.; RAFAELA DE OLIVEIRA MINE; SILVA, L. DA; ALVAREZ, I. A. Análise da viabilidade da fruticultura orgânica no Circuito das Frutas, Estado de São Paulo. Revista dos Trabalhos de Iniciação Científica da UNICAMP, Campinas, SP, n.26 ,out. 2018. 1 p.| Biblioteca(s): Embrapa Territorial. |
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| 18. | | SOUZA, E. D.; MUNIZ, J. A.; SILVA, L. da; SANTO, N. do E.; ARAÚJO, W. da C.; ALMEIDA, J. L. de; MELLO, C. L. de. Avaliação de cultivares de milho safrinha em Mato Grosso, no ano de 2005. Cuiabá: EMPAER-MT, 2006. 21 p. (EMPAER-MT. Documentos, 35).| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 19. | | GUIMARÃES, C. T.; SILVA, L. da C.; MENDES, F. F.; PASTINA, M. M.; SOUZA, I. R. P. de; DAMASCENO, C. M. B. Mapeamento de QTLs e seleção assistida por marcadores moleculares. In: DELIMA, R. O.; BORÉM, A. (Ed.). Melhoramento de milho. Viçosa, MG: Universidade Federal de Viçosa, 2018. cap. 13, p. 307-328.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 20. | | MELO, I. S. de; SOUZA, W. R.; SILVA, L. da; SANTOS, S. N.; ASSALIN, M. R.; ZUCCHI, T. D.; QUEIROZ, S. C. do N. de. Isolation and characterization of a novel Pseudomonas sp. strain from Deschampsia antarctica as a potential biocontrol agent. In: INTERNATIONAL SYMPOSIUM ON MICROBIAL ECOLOGY, 15., 2014, Seoul. Proceedings... Wageningen: The International Society for Microbial Ecology (ISME), 2014. p. 139.| Biblioteca(s): Embrapa Meio Ambiente. |
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| Registros recuperados : 30 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
01/03/2019 |
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Data da última atualização: |
18/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BERNARDINO, K. C.; PASTINA, M. M.; MENEZES, C. B. de; SOUSA, S. M. de; MACIEL, L. S.; CARVALHO JÚNIOR, G.; GUIMARÃES, C. T.; BARROS, B. de A.; SILVA, L. da C. e; CARNEIRO, P. C. S.; SCHAFFERT, R. E.; KOCHIAN, L. V.; MAGALHAES, J. V. de. |
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Afiliação: |
Karine C. Bernardino, Universidade Federal de Minas Gerais; MARIA MARTA PASTINA, CNPMS; CICERO BESERRA DE MENEZES, CNPMS; SYLVIA MORAIS DE SOUSA TINOCO, CNPMS; Laiane S. Maciel, Universidade Federal de Minas Gerais; Geraldo Carvalho Júnior; CLAUDIA TEIXEIRA GUIMARAES, CNPMS; BEATRIZ DE ALMEIDA BARROS, CNPMS; Luciano da Costa e Silva; Pedro C. S. Carneiro; ROBERT EUGENE SCHAFFERT, CNPMS; Leon V. Kochian; JURANDIR VIEIRA DE MAGALHAES, CNPMS. |
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Título: |
The genetic architecture of phosphorus efficiency in sorghum involves pleiotropic QTL for root morphology and grain yield under low phosphorus availability in the soil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
BMC Plant Biology, v. 19, n. 87, p. 1-15, 2019. |
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DOI: |
10.1186/s12870-019-1689-y |
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Idioma: |
Inglês |
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Conteúdo: |
Background: Phosphorus (P) fixation on aluminum (Al) and iron (Fe) oxides in soil clays restricts P availability for crops cultivated on highly weathered tropical soils, which are common in developing countries. Hence, P deficiency becomes a major obstacle for global food security. We used multi-trait quantitative trait loci (QTL) mapping to study the genetic architecture of P efficiency and to explore the importance of root traits on sorghum grain yield on a tropical low-P soil. Results: P acquisition efficiency was the most important component of P efficiency, and both traits were highly correlated with grain yield under low P availability. Root surface area was positively associated with grain yield. The guinea parent, SC283, contributed 58% of all favorable alleles detected by single-trait mapping. Multi-trait mapping detected 14 grain yield and/or root morphology QTLs. Tightly linked or pleiotropic QTL underlying the surface area of fine roots (1?2?mm in diameter) and grain yield were detected at positions 1?7 megabase pairs (Mb) and 71?Mb on chromosome 3, respectively, and a root diameter/grain yield QTL was detected at 7?Mb on chromosome 7. All these QTLs were near sorghum homologs of the rice serine/threonine kinase, OsPSTOL1. The SbPSTOL1 genes on chromosome 3, Sb03g006765 at 7?Mb and Sb03g031690 at 60?Mb were more highly expressed in SC283, which donated the favorable alleles at all QTLs found nearby SbPSTOL1 genes. The Al tolerance gene, SbMATE, may also influence a grain yield QTL on chromosome 3. Another PSTOL1-like gene, Sb07g02840, appears to enhance grain yield via small increases in root diameter. Co-localization analyses suggested a role for other genes, such as a sorghum homolog of the Arabidopsis ubiquitin-conjugating E2 enzyme, phosphate 2 (PHO2), on grain yield advantage conferred by the elite parent, BR007 allele. Conclusions: Genetic determinants conferring higher root surface area and slight increases in fine root diameter may favor P uptake, thereby enhancing grain yield under low-P availability in the soil. Molecular markers for SbPSTOL1 genes and for QTL increasing grain yield by non-root morphology-based mechanisms hold promise in breeding strategies aimed at developing sorghum cultivars adapted to low-P soils. MenosBackground: Phosphorus (P) fixation on aluminum (Al) and iron (Fe) oxides in soil clays restricts P availability for crops cultivated on highly weathered tropical soils, which are common in developing countries. Hence, P deficiency becomes a major obstacle for global food security. We used multi-trait quantitative trait loci (QTL) mapping to study the genetic architecture of P efficiency and to explore the importance of root traits on sorghum grain yield on a tropical low-P soil. Results: P acquisition efficiency was the most important component of P efficiency, and both traits were highly correlated with grain yield under low P availability. Root surface area was positively associated with grain yield. The guinea parent, SC283, contributed 58% of all favorable alleles detected by single-trait mapping. Multi-trait mapping detected 14 grain yield and/or root morphology QTLs. Tightly linked or pleiotropic QTL underlying the surface area of fine roots (1?2?mm in diameter) and grain yield were detected at positions 1?7 megabase pairs (Mb) and 71?Mb on chromosome 3, respectively, and a root diameter/grain yield QTL was detected at 7?Mb on chromosome 7. All these QTLs were near sorghum homologs of the rice serine/threonine kinase, OsPSTOL1. The SbPSTOL1 genes on chromosome 3, Sb03g006765 at 7?Mb and Sb03g031690 at 60?Mb were more highly expressed in SC283, which donated the favorable alleles at all QTLs found nearby SbPSTOL1 genes. The Al tolerance gene, SbMATE, may also influence... Mostrar Tudo |
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Thesagro: |
Deficiência; Fósforo; Raiz; Solo Ácido; Sorgo. |
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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/193718/1/Genetic-architecture.pdf
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|
Marc: |
LEADER 03317naa a2200337 a 4500
001 2106657
005 2023-03-18
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1186/s12870-019-1689-y$2DOI
100 1 $aBERNARDINO, K. C.
245 $aThe genetic architecture of phosphorus efficiency in sorghum involves pleiotropic QTL for root morphology and grain yield under low phosphorus availability in the soil.$h[electronic resource]
260 $c2019
520 $aBackground: Phosphorus (P) fixation on aluminum (Al) and iron (Fe) oxides in soil clays restricts P availability for crops cultivated on highly weathered tropical soils, which are common in developing countries. Hence, P deficiency becomes a major obstacle for global food security. We used multi-trait quantitative trait loci (QTL) mapping to study the genetic architecture of P efficiency and to explore the importance of root traits on sorghum grain yield on a tropical low-P soil. Results: P acquisition efficiency was the most important component of P efficiency, and both traits were highly correlated with grain yield under low P availability. Root surface area was positively associated with grain yield. The guinea parent, SC283, contributed 58% of all favorable alleles detected by single-trait mapping. Multi-trait mapping detected 14 grain yield and/or root morphology QTLs. Tightly linked or pleiotropic QTL underlying the surface area of fine roots (1?2?mm in diameter) and grain yield were detected at positions 1?7 megabase pairs (Mb) and 71?Mb on chromosome 3, respectively, and a root diameter/grain yield QTL was detected at 7?Mb on chromosome 7. All these QTLs were near sorghum homologs of the rice serine/threonine kinase, OsPSTOL1. The SbPSTOL1 genes on chromosome 3, Sb03g006765 at 7?Mb and Sb03g031690 at 60?Mb were more highly expressed in SC283, which donated the favorable alleles at all QTLs found nearby SbPSTOL1 genes. The Al tolerance gene, SbMATE, may also influence a grain yield QTL on chromosome 3. Another PSTOL1-like gene, Sb07g02840, appears to enhance grain yield via small increases in root diameter. Co-localization analyses suggested a role for other genes, such as a sorghum homolog of the Arabidopsis ubiquitin-conjugating E2 enzyme, phosphate 2 (PHO2), on grain yield advantage conferred by the elite parent, BR007 allele. Conclusions: Genetic determinants conferring higher root surface area and slight increases in fine root diameter may favor P uptake, thereby enhancing grain yield under low-P availability in the soil. Molecular markers for SbPSTOL1 genes and for QTL increasing grain yield by non-root morphology-based mechanisms hold promise in breeding strategies aimed at developing sorghum cultivars adapted to low-P soils.
650 $aDeficiência
650 $aFósforo
650 $aRaiz
650 $aSolo Ácido
650 $aSorgo
700 1 $aPASTINA, M. M.
700 1 $aMENEZES, C. B. de
700 1 $aSOUSA, S. M. de
700 1 $aMACIEL, L. S.
700 1 $aCARVALHO JÚNIOR, G.
700 1 $aGUIMARÃES, C. T.
700 1 $aBARROS, B. de A.
700 1 $aSILVA, L. da C. e
700 1 $aCARNEIRO, P. C. S.
700 1 $aSCHAFFERT, R. E.
700 1 $aKOCHIAN, L. V.
700 1 $aMAGALHAES, J. V. de
773 $tBMC Plant Biology$gv. 19, n. 87, p. 1-15, 2019.
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