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Malus sieversii has previously been identified as the main contributor to the genome of the cultivated apple (Malus domestica), on the basis of morphological, molecular, and historical evidence. [10] Fruit traits including crispness, more flavour intensity and fruit weight have undergone differential selection by humans to produce Malus ...
An apple is a round, edible fruit produced by an apple tree (Malus spp., among them the domestic or orchard apple; Malus domestica). Apple trees are cultivated worldwide and are the most widely grown species in the genus Malus. The tree originated in Central Asia, where its wild ancestor, Malus sieversii, is still found.
Johann August Carl Sievers (1762–1795) was a Holy Roman Empire-born botanist who explored Central Asia, Siberia, and other Asian regions of the Russian Empire.Among the species first described by Sievers is Malus sieversii, the ancestor of the domesticated apple.
Malus (/ ˈ m eɪ l ə s / [3] or / ˈ m æ l ə s /) is a genus of about 32–57 species [4] of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard apple, crab apples (sometimes known in North America as crabapples) and wild apples.
New species he described for the first time in the Flora Altaica include Malus sieversii (as Pyrus sieversii), the wild ancestor of the apple, and the Siberian Larch (Larix sibirica). The plant genera Ledebouria (in the Asparagus family, Asparagaceae), [2] and Ledebouriella (from the family Apiaceae) are named in his honor. [1] [3]
Malus domestica "Pam's Delight" Genus: Malus sylvestris and Malus sieversii: Species: Malus domestica: Hybrid parentage: Unknown variety, apple pip: Cultivar group: Self-sterile dessert apple: Cultivar "Pam's Delight" Breeder: Thomas Rivers of Sawbridgeworth, and Brogdale Farm, 1968: Origin: Alfred Hull, Bedfordshire, England, 1956
The genome sequence also provided proof that Malus sieversii was the wild ancestor of the domestic apple—an issue that had been long-debated in the scientific community. In 2016 a new and much higher quality whole genome sequence (WGS) for a double-haploid derivative of the Golden Delicious variety of apple was published. [ 2 ]
The MN55 cultivar apple developed by David Bedford, a senior researcher and research pomologist at the University of Minnesota's apple-breeding program, and James Luby, PhD, professor, Department of Horticultural Sciences, Horticultural Research Center, is a cross between Honeycrisp and MonArk (AA44), a non-patented apple variety grown in Arkansas.