Toward integration of genomic selection with crop modelling: the development of an integrated approach to predicting rice heading dates

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Akio OnogiHiroyoshi Iwata

Abstract

It is suggested that accuracy in predicting plant phenotypes can be improved by integrating genomic prediction with crop modelling in a single hierarchical model. Accurate prediction of phenotypes is important for plant breeding and management. Although genomic prediction/selection aims to predict phenotypes on the basis of whole-genome marker information, it is often difficult to predict phenotypes of complex traits in diverse environments, because plant phenotypes are often influenced by genotype-environment interaction. A possible remedy is to integrate genomic prediction with crop/ecophysiological modelling, which enables us to predict plant phenotypes using environmental and management information. To this end, in the present study, we developed a novel method for integrating genomic prediction with phenological modelling of Asian rice (Oryza sativa, L.), allowing the heading date of untested genotypes in untested environments to be predicted. The method simultaneously infers the phenological model parameters and whole-genome marker effects on the parameters in a Bayesian framework. By cultivating backcross inbred lines of Koshihikari × Kasalath in nine environments, we evaluated the potential of the proposed method in com...Continue Reading

References

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Oct 25, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Akio OnogiHiroyoshi Iwata

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Citations

Oct 8, 2016·The New Phytologist·Jennifer E Spindel, Susan R McCouch
Apr 9, 2017·Trends in Plant Science·Karine ChenuSenthold Asseng
Oct 8, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Ryokei Tanaka, Hiroyoshi Iwata
Jun 12, 2020·Journal of Experimental Botany·Malachy T CampbellGota Morota
May 26, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·R RincentJ Le Gouis
Feb 23, 2018·Frontiers in Plant Science·Arne RosenRalf Uptmoor
Oct 18, 2020·Journal of Experimental Botany·Matthieu BogardJean-Pierre Cohan

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