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Field crop phenomics: enabling breeding for radiation use efficiency and biomass in cereal crops

Furbank, R. T., Jimenez-Berni, J. A., George-Jaeggli, B., Potgieter, A. B. and Deery, D. M. (2019) Field crop phenomics: enabling breeding for radiation use efficiency and biomass in cereal crops. New Phytologist (ja). ISSN 0028-646X

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Article Link(s): https://doi.org/10.1111/nph.15817

Publisher URL: https://nph.onlinelibrary.wiley.com/doi/abs/10.1111/nph.15817

Abstract

Summary: Plant phenotyping forms the core of crop breeding, allowing breeders to build on physiological traits and mechanistic science to inform their selection of material for crossing and genetic gain. Recent rapid progress in high throughput techniques based on machine vision, robotics and computing (Plant Phenomics) enables crop physiologists and breeders to quantitatively measure complex and previously intractable traits. By combining these techniques with affordable genomic sequencing and genotyping, machine learning and genome selection approaches, breeders have an opportunity to make rapid genetic progress. This review focusses on how field based plant phenomics can enable next generation physiological breeding in cereal crops for traits related to radiation use efficiency, photosynthesis and crop biomass. These traits have previously been regarded as difficult and laborious to measure but have recently become a focus as cereal breeders find genetic progress from “Green Revolution” traits such as harvest index become exhausted. Application of LiDAR, thermal imaging, leaf and canopy spectral reflectance, chlorophyll fluorescence and machine learning are discussed using wheat and sorghum phenotyping as case studies. A vision of how crop genomics and high-throughput phenotyping could enable the next generation of crop research and breeding is presented. This article is protected by copyright. All rights reserved.

Item Type:Article
Business groups:Crop and Food Science
Keywords:Crop breeding Sorghum Wheat Photosynthesis Stomatal conductance Canopy temperature Big data Crop physiology
Subjects:Science > Botany > Plant physiology
Science > Botany > Genetics
Plant culture > Field crops
Plant culture > Field crops > Grain. Cereals
Deposited On:17 Apr 2019 05:56
Last Modified:17 Apr 2019 05:56

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