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Genebank Phenomics: A Strategic Approach to Enhance Value and Utilization of Crop Germplasm

Australian Grains Genebank, Agriculture Victoria, 110 Natimuk Road, Horsham 3400, Australia
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Plants 2020, 9(7), 817; https://doi.org/10.3390/plants9070817 (registering DOI)
Received: 3 June 2020 / Revised: 25 June 2020 / Accepted: 26 June 2020 / Published: 29 June 2020
(This article belongs to the Special Issue Plant Biodiversity and Genetic Resources)
Genetically diverse plant germplasm stored in ex-situ genebanks are excellent resources for breeding new high yielding and sustainable crop varieties to ensure future food security. Novel alleles have been discovered through routine genebank activities such as seed regeneration and characterization, with subsequent utilization providing significant genetic gains and improvements for the selection of favorable traits, including yield, biotic, and abiotic resistance. Although some genebanks have implemented cost-effective genotyping technologies through advances in DNA technology, the adoption of modern phenotyping is lagging. The introduction of advanced phenotyping technologies in recent decades has provided genebank scientists with time and cost-effective screening tools to obtain valuable phenotypic data for more traits on large germplasm collections during routine activities. The utilization of these phenotyping tools, coupled with high-throughput genotyping, will accelerate the use of genetic resources and fast-track the development of more resilient food crops for the future. In this review, we highlight current digital phenotyping methods that can capture traits during annual seed regeneration to enrich genebank phenotypic datasets. Next, we describe strategies for the collection and use of phenotypic data of specific traits for downstream research using high-throughput phenotyping technology. Finally, we examine the challenges and future perspectives of genebank phenomics. View Full-Text
Keywords: high-throughput phenotyping; statistical modelling; phenotypic breeding; genomic selection high-throughput phenotyping; statistical modelling; phenotypic breeding; genomic selection
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Nguyen, G.N.; Norton, S.L. Genebank Phenomics: A Strategic Approach to Enhance Value and Utilization of Crop Germplasm. Plants 2020, 9, 817.

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