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Diallel analysis of maize lines with contrasting responses to applied nitrogen.

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Diallel analysis of maize lines with contrasting responses to applied nitrogen. / Medici, L. O.; Pereira, M. B.; Lea, Peter J. et al.
In: Journal of Agricultural Science, Vol. 142, No. 5, 10.2004, p. 535-541.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Medici, LO, Pereira, MB, Lea, PJ & Azevedo, RA 2004, 'Diallel analysis of maize lines with contrasting responses to applied nitrogen.', Journal of Agricultural Science, vol. 142, no. 5, pp. 535-541. https://doi.org/10.1017/S002185960400468X

APA

Medici, L. O., Pereira, M. B., Lea, P. J., & Azevedo, R. A. (2004). Diallel analysis of maize lines with contrasting responses to applied nitrogen. Journal of Agricultural Science, 142(5), 535-541. https://doi.org/10.1017/S002185960400468X

Vancouver

Medici LO, Pereira MB, Lea PJ, Azevedo RA. Diallel analysis of maize lines with contrasting responses to applied nitrogen. Journal of Agricultural Science. 2004 Oct;142(5):535-541. doi: 10.1017/S002185960400468X

Author

Medici, L. O. ; Pereira, M. B. ; Lea, Peter J. et al. / Diallel analysis of maize lines with contrasting responses to applied nitrogen. In: Journal of Agricultural Science. 2004 ; Vol. 142, No. 5. pp. 535-541.

Bibtex

@article{8b75ee2f5a394289893a1a104623c7f6,
title = "Diallel analysis of maize lines with contrasting responses to applied nitrogen.",
abstract = "Six S5 lines of maize, previously identified as having contrasting responses to nitrogen (N) supply, were used to carry out a complete series of diallel crosses. The resulting 15 hybrids were grown in a field at two N levels. The general combining ability (GCA) and specific combining ability (SCA) were estimated using the method 4, model I analysis of Griffing for grain yield kernel weight, grain number, harvest index, green leaf number, ear leaf area, N utilization efficiency, total plant N, grain N content, anthesis-silking interval, chlorophyll content and prolificacy. For the majority of the traits, GCA was more important than SCA and there was an increase of non-additive effects under low N. Significant interactions were observed between GCA and N levels for grain yield, grain number and chlorophyll content, indicating the selection of different lines for each N level. The lines with the largest effects of N supply per se on grain yield, were those with the largest effects of GCA for this trait. This association indicates that the response of the lines to N supply, should be considered in breeding programmes in order to achieve acceptable hybrids for environments with both high and low N.",
author = "Medici, {L. O.} and Pereira, {M. B.} and Lea, {Peter J.} and Azevedo, {Ricardo A.}",
note = "http://journals.cambridge.org/action/displayJournal?jid=AGS The final, definitive version of this article has been published in the Journal, Journal of Agricultural Science, 142 (5), pp 535-541 2004, {\textcopyright} 2004 Cambridge University Press.",
year = "2004",
month = oct,
doi = "10.1017/S002185960400468X",
language = "English",
volume = "142",
pages = "535--541",
journal = "Journal of Agricultural Science",
issn = "0021-8596",
publisher = "Cambridge University Press",
number = "5",

}

RIS

TY - JOUR

T1 - Diallel analysis of maize lines with contrasting responses to applied nitrogen.

AU - Medici, L. O.

AU - Pereira, M. B.

AU - Lea, Peter J.

AU - Azevedo, Ricardo A.

N1 - http://journals.cambridge.org/action/displayJournal?jid=AGS The final, definitive version of this article has been published in the Journal, Journal of Agricultural Science, 142 (5), pp 535-541 2004, © 2004 Cambridge University Press.

PY - 2004/10

Y1 - 2004/10

N2 - Six S5 lines of maize, previously identified as having contrasting responses to nitrogen (N) supply, were used to carry out a complete series of diallel crosses. The resulting 15 hybrids were grown in a field at two N levels. The general combining ability (GCA) and specific combining ability (SCA) were estimated using the method 4, model I analysis of Griffing for grain yield kernel weight, grain number, harvest index, green leaf number, ear leaf area, N utilization efficiency, total plant N, grain N content, anthesis-silking interval, chlorophyll content and prolificacy. For the majority of the traits, GCA was more important than SCA and there was an increase of non-additive effects under low N. Significant interactions were observed between GCA and N levels for grain yield, grain number and chlorophyll content, indicating the selection of different lines for each N level. The lines with the largest effects of N supply per se on grain yield, were those with the largest effects of GCA for this trait. This association indicates that the response of the lines to N supply, should be considered in breeding programmes in order to achieve acceptable hybrids for environments with both high and low N.

AB - Six S5 lines of maize, previously identified as having contrasting responses to nitrogen (N) supply, were used to carry out a complete series of diallel crosses. The resulting 15 hybrids were grown in a field at two N levels. The general combining ability (GCA) and specific combining ability (SCA) were estimated using the method 4, model I analysis of Griffing for grain yield kernel weight, grain number, harvest index, green leaf number, ear leaf area, N utilization efficiency, total plant N, grain N content, anthesis-silking interval, chlorophyll content and prolificacy. For the majority of the traits, GCA was more important than SCA and there was an increase of non-additive effects under low N. Significant interactions were observed between GCA and N levels for grain yield, grain number and chlorophyll content, indicating the selection of different lines for each N level. The lines with the largest effects of N supply per se on grain yield, were those with the largest effects of GCA for this trait. This association indicates that the response of the lines to N supply, should be considered in breeding programmes in order to achieve acceptable hybrids for environments with both high and low N.

U2 - 10.1017/S002185960400468X

DO - 10.1017/S002185960400468X

M3 - Journal article

VL - 142

SP - 535

EP - 541

JO - Journal of Agricultural Science

JF - Journal of Agricultural Science

SN - 0021-8596

IS - 5

ER -