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Use of germplasm in association geneticsPEACH EXAMPLE

Maria José Aranzana

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4271 SNPs 1540 ACCESSIONSx

Huge Dataset

FruitBreedomics PEACH DATASET

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4271 SNPs 1540 ACCESSIONSx

Huge Dataset Phenotypic dataxhttp://155.253.6.237/fruitbreedomics_save_and_continue_wp/

FruitBreedomics PEACH DATASET

Good tool for breeders and germplasm curators TrainingWorkshop_DATA.xlsx

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LINKAGE DISEQUILIBRIUM (LD)

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WHOLE GENOME ASSOCIATION ANALISISLevel of association +-

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CONCLUSIONS

• Peach genome is structured in big blocks of variability

• In general, each breeding program has its own pattern of variability (breeder+ “founders”+ breeding location imprint)

• A deep view of genome-wide variability can be used to:

• localize genes

• direct the variability for crosses

• manage the variability in a germplasm collection