CAHNRS > Pome Fruit Breeding Program > Apple Scion Breeding > How-To Videos How-To Videos Harvesting Seeds from Planned Crosses Planting Seeds Trays for DNA Marker-assisted Seedling Selection (MASS) Culling Seedlings Prior to Inoculation with Fire Blight Fire Blight Inoculation of Seedlings Fire Blight Inoculation Results Fruit Quality Testing