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Title: | Relative importance of gene effects for nitrogen-use efficiency in popcorn. |
Authors: | SANTOS, A.![]() ![]() AMARAL JÚNIOR, A. T. do ![]() ![]() FRITSCHE-NETO, R. ![]() ![]() KAMPHORST, S. H. ![]() ![]() FERREIRA, F. R. ![]() ![]() AMARAL, J. F. T. do ![]() ![]() VIVAS, J. M. S. ![]() ![]() SANTOS, P. H. A. D. ![]() ![]() LIMA V. J. de ![]() ![]() KHAN, S. ![]() ![]() SCHMITT, K. F. M. ![]() ![]() LEITE, J. T. ![]() ![]() SANTOS JUNIOR, D. R. dos ![]() ![]() BISPO, R. B. ![]() ![]() SANTOS, T. de O. ![]() ![]() OLIVEIRA, U. A. de ![]() ![]() GUIMARAES, L. J. M. ![]() ![]() RODRIGUEZ, O. ![]() ![]() |
Affiliation: | Adriano dos Santos, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Antônio Teixeira do Amaral Júnior, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Roberto Fritsche-Neto, Escola Superior de Agricultura Luiz de Queiroz; Samuel Henrique Kamphorst, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Fernando Rafael Alves Ferreira, Universidade Estadual do Norte Fluminense Darcy Ribeiro; José Francisco Teixeira do Amaral, Universidade Federal do Espíito Santo; Janieli Maganha Silva Vivas, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Pedro Henrique Araújo Diniz Santos, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Valter Jário de Lima, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Shahid Khan, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Kátia Fabiane Medeiros Schmitt, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Jhean Torres Leite, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Divino Rosa dos Santos Junior, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Rosimeire Barboza Bispo, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Talles de Oliveira Santos, Universidade Estadual do Norte Fluminense Darcy Ribeiro; Uéliton Alves de Oliveira, Universidade Estadual do Norte Fluminense Darcy Ribeiro; LAURO JOSE MOREIRA GUIMARAES, CNPMS; Oscar Rodriguez, University of Nebraska. |
Date Issued: | 2019 |
Citation: | PLoS ONE, v. 14, n. 9, e0222726, 2019. |
Description: | The objective of this study was to evaluate the effects of additive and non-additive genes on the efficiency of nitrogen (N) use and N responsiveness in inbred popcorn lines. The parents, hybrids and reciprocal crosses were evaluated in a 10x10 triple lattice design at two sites and two levels of N availability. To establish different N levels in the two experiments, fertilization was carried out at sowing, according to soil analysis reports. However, for the experiments with ideal nitrogen availability, N was sidedressed according to the crop requirement, whereas for the N-poor experiments sidedressing consisted of 30% of that applied in the N-rich environment. Two indices were evaluated, the Harmonic Mean of the Relative Performance (HMRP) and Agronomic Efficiency under Low Nitrogen Availability (AELN), both based on grain yield at both N levels. Both additive and non-additive gene effects were important for selection for N-use efficiency. Moreover, there was allelic complementarity between the lines and a reciprocal effect for N-use efficiency, indicating the importance of the choice of the parents used as male or female. The best hybrids were obtained from inbred popcorn lines with contrasting N-use efficiency and N responsiveness. |
Thesagro: | Gene Nitrogênio Milho Pipoca Linhagem |
DOI: | 10.1371/journal.pone.0222726 |
Type of Material: | Artigo de periódico |
Access: | openAccess |
Appears in Collections: | Artigo em periódico indexado (CNPMS)![]() ![]() |
Files in This Item:
File | Description | Size | Format | |
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Relativeimportance.pdf | 850,84 kB | Adobe PDF | ![]() View/Open |