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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
05/10/2023 |
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Data da última atualização: |
20/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LIU, Z.; QIN, T.; ATIENZA, M.; ZHAO, Y.; NGUYEN, H.; SHENG, H.; OLUKAYODE, O.; SONG, H.; PANJVANI, K.; MAGALHAES, J. V. de; LUCAS, W. J.; KOCHIAN, L. V. |
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Afiliação: |
ZHIGANG LIU, UNIVERSITY OF SASKATCHEWAN; TONGFEI QIN, UNIVERSITY OF SASKATCHEWAN; MICHAELLA ATIENZA, UNIVERSITY OF SASKATCHEWAN; YANG ZHAO, UNIVERSITY OF SASKATCHEWAN; HANH NGUYEN, UNIVERSITY OF SASKATCHEWAN; HUAJIN SHENG, UNIVERSITY OF SASKATCHEWAN; TOLUWASE OLUKAYODE, UNIVERSITY OF SASKATCHEWAN; HAO SONG, UNIVERSITY OF SASKATCHEWAN; KARIM PANJVANI, UNIVERSITY OF SASKATCHEWAN; JURANDIR VIEIRA DE MAGALHAES, CNPMS; WILLIAM J. LUCAS, UNIVERSITY OF CALIFORNIA; LEON V. KOCHIAN, UNIVERSITY OF SASKATCHEWAN. |
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Título: |
Constitutive basis of root system architecture: uncovering a promising trait for breeding nutrient-and drought-resilient crops. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
aBIOTECH, v. 4, p. 315–331, 2023. |
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DOI: |
https://doi.org/10.1007/s42994-023-00112-w |
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Idioma: |
Inglês |
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Conteúdo: |
Root system architecture (RSA) plays a pivotal role in efficient uptake of essential nutrients, such as phosphorous (P), nitrogen (N), and water. In soils with heterogeneous nutrient distribution, root plasticity can optimize acquisition and plant growth. Here, we present evidence that a constitutive RSA can confer benefits for sorghum grown under both sufficient and limiting growth conditions. Our studies, using P efficient SC103 and inefficient BTx635 sorghum cultivars, identified significant differences in root traits, with SC103 developing a larger root system with more and longer lateral roots, and enhanced shoot biomass, under both nutrient sufficient and deficient conditions. In addition to this constitutive attribute, under P deficiency, both cultivars exhibited an initial increase in lateral root development; however, SC103 still maintained the larger root biomass. Although N deficiency and drought stress inhibited both root and shoot growth, for both sorghum cultivars, SC103 again maintained the better performance. These findings reveal that SC103, a P efficient sorghum cultivar, also exhibited enhanced growth performance under N deficiency and drought. Our results provide evidence that this constitutive nature of RSA can provide an avenue for breeding nutrient- and drought-resilient crops. |
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Thesagro: |
Raiz; Seca; Sistema Radicular; Variedade Resistente. |
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Categoria do assunto: |
-- |
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Marc: |
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Embrapa Milho e Sorgo (CNPMS) |
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