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Ulster cherry : ウィキペディア英語版 | Ulster cherry
The Ulster cherry is a sweet cherry cultivar (''Prunus avium'') that originated in the United States.〔(“Handbook of Fruit Science and Technology” by D. K. Salunkhe and S.S. Kadam, Google Books )〕 ==History== The Ulster cherry was created through an agricultural breeding program at Cornell University in Ithaca, New York in 1937, and was first introduced in 1964.〔(“Cherries from Cornell Cherry Breeding Program,” Cornell University, May 2000 )〕 It derives from the crossing of the Schmidt cherry (a mid-season cultivar that produces a dark red, moderately large fruit of a good quality and superior crack resistance) and the Lambert cherry (a heart-shaped cultivar with dark red and moderately firm flesh and a sweet flavor).〔〔(“Cherry Information,” Shangri-La Too Farm )〕〔(“Cherry Varieties,” California Cherry Advisory Board )〕 The Ulster cherry is named after Ulster County, New York, a region that is home to commercial sweet cherry production.〔 The Ulster cherry is grown across North America and has been successfully introduced in Europe and Australia.〔(“All About Cherry Cracking,” Tree Fruit Leader, July 1994 )〕〔(“Cherry Growing in Australia - A Brief Overview,” ISHS Acta Horticulturae 468: III International Cherry Symposium )〕 The cultivar can be produced in harsh climates: when Norway launched its sweet cherry commercial production, the cultivar was imported for planting in that nation's fjord district, located at latitude 60°N.〔(“Evaluation of Sweet Cherry Cultivars and Advanced Selections Adapted to a Northern Climate,” ISHS Acta Horticulturae 468: III International Cherry Symposium )〕
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