Jonamac

Malus domestica Borkh. Borkh.

Dessert

Introduced

1972

Origin

Geneva, New York, United States

Measured Phenotype

Brix: 12.9 °Bx
Fruit height: 56.2 mm
Fruit width: 65.3 mm

Each value is the highest-precedence :Assertion attached to this cultivar; full provenance (year, evidence type, confidence) is preserved in the graph.

Jonamac is a fresh eating apple developed in 1972 at Geneva, New York through a cross of McIntosh and Jonathan parents. It is ready for harvest from late August to mid-September depending on the clone.

Best Uses

fresh_eating

Lineage

Parents

Mcintosh Jonathan

Offspring

Eden Empress

Where to Pick

Behling's OrchardOrleans County
U-Pick

Origin & History

Origin type: deliberate cross

Disease Resistance

Apple scab: susceptible
Fire blight: moderately resistant
Powdery mildew: susceptible
Cedar-apple rust: resistant

Cornell Apple Variety Database.

References

USDA-NPGS: PI 588858
UK National Fruit Collection: 3073
Wikidata: Q41778418