Jonagold

Jonagold /ˈdʒɒnəˌɡoʊld/ is a cultivar of apple which was developed in 1953 in New York State Agricultural Experiment Station of Cornell University's College of Agriculture and Life Sciences, a cross between the crisp Golden Delicious and the blush-crimson Jonathan; the name Jonagold is a portmanteau of these two variety names. They form a large sweet fruit with a thin skin. Because of their large size they are now favoured by commercial growers in many parts of the world. Jonagold is triploid, with sterile pollen, and as such, requires a second type of apple for pollen and is incapable of pollenizing other cultivars. The Jonagored Apple, a sport mutation of Jonagold, was once covered under United States Patent PP05937,[1] now expired.

Malus 'Jonagold'
Hybrid parentage'Golden Delicious' × 'Jonathan'
Cultivar'Jonagold'
OriginGeneva, New York, USA, 1953
Sliced Jonagold

Jonagold has a green-yellow basic color with crimson, brindled covering colour.

The apple has a fluffily crisp fruit. It is juicy and aromatic and has a sweet-sour taste.

The skin can also turn out fully red or green other than golden-red.

It is (as of 2020) the most widely produced apple in Belgium[2] and according to the US Apple Association website it is one of the fifteen most popular apple cultivars in the United States.[3]

Disease susceptibility
  • Scab: high[4]
  • Powdery mildew: high[5]
  • Cedar apple rust: high
  • Fire blight: high

Descendant cultivars

References
  1. "Archived copy". Archived from the original on 2017-10-24. Retrieved 2006-10-10.{{cite web}}: CS1 maint: archived copy as title (link)
  2. "The largest Belgian apple variety in terms of quantity is Jonagold, followed by amongst others Jonagored, Boskoop and Golden Delicious, Kanzi, Joly Red, Greenstar, etc." - retrieved October 2021 https://www.belgianfruitsandvegetables.com/en/product/fruit
  3. Apple varieties by US Apple Association
  4. Dr. Stephen Miller of the USDA Fruit Research Lab in Kearneysville, West Virginia.
  5. "Powdery mildew of apples". Archived from the original on 2020-07-03. Retrieved 2021-08-15.


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