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Cultivar Stories Pests & Pathogens Phenotyping & Genotyping Plant BreedingJuly 21, 2023April 16, 2024

Hazelnut ‘Gasaway’ – EFB Resistance

Hazelnut 'Gasaway' – EFB Resistance

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Nahla Bassil, Shawn Mehlenbacher This success story describes how the pollinizer hazelnut, ‘Gasaway’, saved the U.S. hazelnut industry. Plant breeders used ‘Gasaway’ as a source of Eastern filbert blight resistance to breed new pollinizer hazelnut, as well as ornamental and nut cultivars. The ‘Gasaway’ source of resistance can now be identified in saplings using DNA tests.

Breeding Corylus disease resistance Eastern filbert blight EFB fungal pathogen genebank germplasm Hazelnut marker assisted breeding NPGS Oregon State University USDA
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