2013
DOI: 10.1590/s0034-737x2013000500006
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Relação entre os caracteres determinantes das eficiências no uso de nitrogênio e fósforo em milho

Abstract: Relationship among determinant characters of nitrogen and phosphorus use efficiency in maizeThe genetic improvement of N (EUN) and P (EUP) use efficiency is a less expensive and more sustainable way to obtain satisfactory grain yields. However, the lack of knowledge about the relationship among the determinant characters of nutrient use efficiency has made the use of early and indirect selection difficult. Therefore, the objective of this study was to identify the relationship among the determinant characters … Show more

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Cited by 8 publications
(10 citation statements)
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References 17 publications
(19 reference statements)
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“…However, only PUE, RL AXI , SDM, and RDM had differentiated responses in the two environments tested, confirmed by the significance of the genotype x P levels (G x P) interaction. Similar results were observed by DoVale & Fritsche-Neto (2013), Pereira et al, (2013), Fritsche-Neto (2011), and Souza et al, (2009). The values of the experimental coefficients of variation were within acceptable levels for studies of this nature, that is, under stress conditions, which indicated good experimental precision (Pereira et al, 2013;DoVale et al, 2011;Fritsche-Neto et al, 2010).…”
Section: Resultssupporting
confidence: 86%
“…However, only PUE, RL AXI , SDM, and RDM had differentiated responses in the two environments tested, confirmed by the significance of the genotype x P levels (G x P) interaction. Similar results were observed by DoVale & Fritsche-Neto (2013), Pereira et al, (2013), Fritsche-Neto (2011), and Souza et al, (2009). The values of the experimental coefficients of variation were within acceptable levels for studies of this nature, that is, under stress conditions, which indicated good experimental precision (Pereira et al, 2013;DoVale et al, 2011;Fritsche-Neto et al, 2010).…”
Section: Resultssupporting
confidence: 86%
“…Já Gallais & Hirel (2004) genitor 2, que teve a estimativa de CGC da MPS plotada no QI e a da EAN no QIV. Esses resultados estão de acordo com os obtidos por Pereira (2011), que identificou a MPS como caráter fundamental na seleção precoce e indireta de genótipos de milho com alta EUN.…”
Section: Resultsunclassified
“…Shoot dry matter is the determinant character of P use efficiency, regardless of the availability of the nutrient (Pereira et al, 2013). However, according to Novais & Smyth (1999), plants adjust to the use of P in soil with high MPAC, which explains the greater dry matter production in the VX soil, the one with highest MPAC.…”
Section: Resultsmentioning
confidence: 99%