Jonagold is a

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...

apple An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple fruit tree, trees are agriculture, cultivated worldwide and are the most widely grown species in the genus ''Malus''. The tree originated in Central Asia, wh ...

which was developed in 1953 in

New York State Agricultural Experiment Station The New York State Agricultural Experiment Station (NYSAES) at Geneva, Ontario County, New York State, is an agricultural experiment station operated by the New York State College of Agriculture and Life Sciences at Cornell University. In August 20 ...

Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...

's College of Agriculture and Life Sciences, a cross between the crisp

Golden Delicious 'Golden Delicious' is a cultivar of apple. It is one of the 15 most popular apple cultivars in the United States. It is not closely related to 'Red Delicious'. History Golden Delicious arose from a chance seedling, possibly a hybrid of 'Gri ...

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 Polyploidy is a condition in which the cells of an organism have more than one pair of ( homologous) chromosomes. Most species whose cells have nuclei ( eukaryotes) are diploid, meaning they have two sets of chromosomes, where each set contain ...

, 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, now expired. 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 () the most widely produced apple in Belgium and according to the

US Apple Association USApple Association is a Virginia-based nonprofit membership association for growers, marketers, equipment producers and allied organizations dealing with apples, within forty states of the United States of America. It advocates on behalf of 7,50 ...

website it is one of the fifteen most popular apple cultivars in the United States.

Disease susceptibility

*Scab: high *Powdery mildew: high *Cedar apple rust: high *Fire blight: high

Descendant cultivars

Shinano Sweet Shinano may refer to: * Shinano, Nagano, a town in Nagano prefecture, Japan * Shinano River, the longest river in Japan * Shinano Province, one of the old provinces of Japan (Nagano Prefecture now) * Japanese aircraft carrier ''Shinano'', an aircr ...

(

Fuji Fuji may refer to: Places China * Fuji, Xiangcheng City (付集镇), town in Xiangcheng City, Henan Japan * Mount Fuji, the tallest mountain in Japan * Fuji River * Fuji, Saga, town in Saga Prefecture * Fuji, Shizuoka, city in Shizuoka Prefectur ...

× Jonagold) *

Excel Jonagold ExCeL London (an abbreviation for Exhibition Centre London) is an exhibition centre, international convention centre and former hospital in the Custom House area of Newham, East London. It is situated on a site on the northern quay of the ...

* Jonagored

References

External links

* Apple cultivars with patented mutants American apples {{apple-fruit-stub