Hyperspectral Reflectance-Derived Relationship Matrices for Genomic Prediction of Grain Yield in Wheat

G3 : Genes - Genomes - Genetics
Margaret R KrauseSuchismita Mondal

Abstract

Hyperspectral reflectance phenotyping and genomic selection are two emerging technologies that have the potential to increase plant breeding efficiency by improving prediction accuracy for grain yield. Hyperspectral cameras quantify canopy reflectance across a wide range of wavelengths that are associated with numerous biophysical and biochemical processes in plants. Genomic selection models utilize genome-wide marker or pedigree information to predict the genetic values of breeding lines. In this study, we propose a multi-kernel GBLUP approach to genomic selection that uses genomic marker-, pedigree-, and hyperspectral reflectance-derived relationship matrices to model the genetic main effects and genotype × environment (G × E) interactions across environments within a bread wheat (Triticum aestivum L.) breeding program. We utilized an airplane equipped with a hyperspectral camera to phenotype five differentially managed treatments of the yield trials conducted by the Bread Wheat Improvement Program of the International Maize and Wheat Improvement Center (CIMMYT) at Ciudad Obregón, México over four breeding cycles. We observed that single-kernel models using hyperspectral reflectance-derived relationship matrices performed sim...Continue Reading

References

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Citations

Jun 12, 2020·Journal of Experimental Botany·Malachy T CampbellGota Morota
Jul 19, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Rodrigo José GalánThomas Miedaner
Feb 26, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Rodrigo José GalánThomas Miedaner
Apr 15, 2021·Plant Phenomics : a Science Partner Journal·Jian WangLianfeng Gu
Apr 10, 2021·G3 : Genes - Genomes - Genetics·Germano Costa-NetoRoberto Fritsche-Neto
Feb 28, 2020·Current Opinion in Plant Biology·Ivan Baxter
Jun 3, 2021·Genes·Andrés J Cortés, Felipe López-Hernández
Jul 2, 2021·Plant Phenomics : a Science Partner Journal·Wei GuoBaskar Ganapathysubramanian
Oct 6, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kosuke Hamazaki, Hiroyoshi Iwata
Oct 15, 2021·Frontiers in Plant Science·Mohammad Mokhlesur RahmanJesse Poland

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Methods Mentioned

BETA
genotyping
infrared spectroscopy

Software Mentioned

R
GBLUP
GS
R Core Team
SMARTS
rrBLUP
BGLR
ASReml
GAPIT
ARS3 hyproQ

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