000 | 03048nab|a22003617a|4500 | ||
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_c59490 _d59482 |
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001 | 59490 | ||
003 | MX-TxCIM | ||
005 | 20240919020950.0 | ||
008 | 180425s2018||||xxu|||p|op||||00||0|eng|d | ||
024 | 8 | _ahttps://doi.org/10.1534/g3.117.300454 | |
040 | _aMX-TxCIM | ||
041 | _aeng | ||
100 | 1 |
_94437 _aCuevas, J. |
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245 | 1 | 0 |
_aGenomic-enabled prediction Kernel models with random intercepts for multi-environment trials _h[Electronic Resource] |
260 |
_aBethesda, Md, U.S. : _bGenetics Society of America, _c2018. |
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500 | _aPeer review | ||
500 | _aOpen Access | ||
520 | _aIn this study, we compared the prediction accuracy of the main genotypic effect model (MM) without G×E interactions, the multi-environment single variance G×E deviation model (MDs), and the multienvironment environment-specific variance G×E deviation model (MDe) where the random genetic effects of the lines are modeled with the markers (or pedigree). With the objective of further modeling the genetic residual of the lines, we incorporated the random intercepts of the lines (l) and generated another three models. Each of these 6 models were fitted with a linear kernel method (Genomic Best Linear Unbiased Predictor, GB) and a Gaussian Kernel (GK) method. We compared these 12 model-method combinations with another two multi-environment G×E interactions models with unstructured variance-covariances (MUC) using GB and GK kernels (4 model-method). Thus, we compared the genomic-enabled prediction accuracy of a total of 16 model-method combinations on two maize data sets with positive phenotypic correlations among environments, and on two wheat data sets with complex G×E that includes some negative and close to zero phenotypic correlations among environments. The two models (MDs and MDE with the random intercept of the lines and the GK method) were computationally efficient and gave high prediction accuracy in the two maize data sets. Regarding the more complex G×E wheat data sets, the prediction accuracy of the model-method combination with G×E, MDs and MDe, including the random intercepts of the lines with GK method had important savings in computing time as compared with the G×E interaction multi-environment models with unstructured variance-covariances but with lower genomic prediction accuracy. | ||
546 | _aText in English | ||
650 | 7 |
_91168 _aKernels _2AGROVOC |
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650 | 7 |
_aMaize _gAGROVOC _2 _91173 |
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650 | 7 |
_91133 _aGenotype environment interaction _2AGROVOC |
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650 | 7 |
_91132 _aGenomics _2AGROVOC |
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700 | 1 |
_97519 _aGranato, I. |
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700 | 1 |
_96507 _aFritsche-Neto, R. |
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700 | 1 |
_aMontesinos-Lopez, O.A. _92700 |
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700 | 1 |
_9907 _aBurgueño, J. _gGenetic Resources Program _8INT3239 |
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700 | 1 |
_96505 _aBandeira e Sousa, M. |
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700 | 1 |
_aCrossa, J. _gGenetic Resources Program _8CCJL01 _959 |
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773 | 0 |
_tG3: Genes, Genomes, Genetics _gv. 8, no. 4, p. 1347-1365 _dG3, 2018 _x2160-1836 (Online) _wu56922 |
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856 | 4 |
_yOpen Access through DSpace _uhttps://hdl.handle.net/10883/19499 |
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942 |
_cJA _n0 _2ddc |