High-throughput phenotyping for crop improvement in the genomics era

Published on May 1, 2019in Plant Science3.785
· DOI :10.1016/j.plantsci.2019.01.007
Reyazul Rouf Mir3
Estimated H-index: 3
(Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir),
M. P. Reynolds30
Estimated H-index: 30
(CIMMYT: International Maize and Wheat Improvement Center)
+ 2 AuthorsMohd Ashraf Bhat2
Estimated H-index: 2
(Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir)
Abstract Tremendous progress has been made with continually expanding genomics technologies to unravel and understand crop genomes. However, the impact of genomics data on crop improvement is still far from satisfactory, in large part due to a lack of effective phenotypic data; our capacity to collect useful high quality phenotypic data lags behind the current capacity to generate high-throughput genomics data. Thus, the research bottleneck in plant sciences is shifting from genotyping to phenotyping. This article review the current status of efforts made in the last decade to systematically collect phenotypic data to alleviate this ‘phenomics bottlenecks’ by recording trait data through sophisticated non-invasive imaging, spectroscopy, image analysis, robotics, high-performance computing facilities and phenomics databases. These modern phenomics platforms and tools aim to record data on traits like plant development, architecture, plant photosynthesis, growth or biomass productivity, on hundreds to thousands of plants in a single day, as a phenomics revolution. It is believed that this revolution will provide plant scientists with the knowledge and tools necessary for unlocking information coded in plant genomes. Efforts have been also made to present the advances made in the last 10 years in phenomics platforms and their use in generating phenotypic data on different traits in several major crops including rice, wheat, barley, and maize. The article also highlights the need for phenomics databases and phenotypic data sharing for crop improvement. The phenomics data generated has been used to identify genes/QTL through QTL mapping, association mapping and genome-wide association studies (GWAS) for genomics-assisted breeding (GAB) for crop improvement.
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