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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 ...
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.
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.
Malus baccata is an Asian species of apple known by the common names Siberian crab apple, [2] Siberian crab, [3] Manchurian crab apple and Chinese crab apple. [ 4 ] [ 5 ] [ 6 ] It is native to many parts of Asia, but is also grown elsewhere as an ornamental tree and for rootstock .
The wild apple is a deciduous small to medium-sized tree, but can also grow into a multi-stemmed bush. It can live 80–100 years and grow up to 14 metres (46 feet) tall with trunk diameters of usually 23–45 centimetres (9– 17 + 1 ⁄ 2 inches), although diameters exceeding 90 cm (35 in) have been recorded. [2]
Cosmic Crisp is an American apple with the variety designation WA 38. [1] Breeding began in 1997 at the Washington State University (WSU) Tree Fruit Research and Extension Center in Wenatchee, Washington, and was initially overseen by Bruce Barritt.
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
It has combined genetics of many selected breeds, including ancestry of McIntosh apple, Golden Delicious, Starking Delicious, Rome Beauty and the vf gene of Malus floribunda for scab resistance. [1] Fruit shape is usually somewhat elongated in shape, and lopsided in young trees. They are big in size, red flush over yellow, fading to orange. [1] [2]