2019
DOI: 10.1038/s41598-018-38081-6
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Design of training populations for selective phenotyping in genomic prediction

Abstract: Phenotyping is the current bottleneck in plant breeding, especially because next-generation sequencing has decreased genotyping cost more than 100.000 fold in the last 20 years. Therefore, the cost of phenotyping needs to be optimized within a breeding program. When designing the implementation of genomic selection scheme into the breeding cycle, breeders need to select the optimal method for (1) selecting training populations that maximize genomic prediction accuracy and (2) to reduce the cost of phenotyping … Show more

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Cited by 93 publications
(117 citation statements)
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References 64 publications
(74 reference statements)
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“…In plant breeding, phenotyping is one of the major current bottlenecks and the optimization or minimization of phenotyping costs within breeding programs is needed (Akdemir and Isidro-Sánchez, 2019). Therefore, the maximization of genomic prediction accuracy can be directly translated into reduced phenotyping costs (Akdemir and Isidro-Sánchez, 2019;Jarquin et al, 2020).…”
Section: Introductionmentioning
confidence: 99%
“…In plant breeding, phenotyping is one of the major current bottlenecks and the optimization or minimization of phenotyping costs within breeding programs is needed (Akdemir and Isidro-Sánchez, 2019). Therefore, the maximization of genomic prediction accuracy can be directly translated into reduced phenotyping costs (Akdemir and Isidro-Sánchez, 2019;Jarquin et al, 2020).…”
Section: Introductionmentioning
confidence: 99%
“…We expect this would further increase the genetic gain for the same level of investment or require less investment for the same genetic gain, but increase the complexity of optimization. Such optimizations were shown to increase the accuracy of genomic prediction up to 20% with small sample sizes in plant breeding [31,32]. Similarly, selective genotyping of cows from the distribution tails has been shown to increase the accuracy of genomic prediction by 15% [33].…”
Section: Discussionmentioning
confidence: 99%
“…However, acquisition of accurate and precise phenotyping data on sizeable individuals presents a major bottleneck in plant breeding programmes. This has stimulated adoption of new breeding techniques that optimize phenotyping requirements for improving complex traits controlled by a number of small-effect QTL (Akdemir and Isidro-Sanchez, 2019). Genomic selection (GS) improves genetic gain by enhancing selection intensity (i) and selection accuracy (r) and reducing the breeding cycle length (L).…”
Section: Genomic Selectionmentioning
confidence: 99%