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The growth cycle of M. sieversii could be divided into several stages from germination to developing fruit bearing trees, and to the death of aged trees. [7] Period I starts from seed germination to the development of vegetative tree parts, and to the first round of fruiting. [7] A typical apple tree reaches age 6 to 8 in this period.
However, some apple growers including Verger Denis Charbonneau Mont-St-Grégoire, Quebec, Canada easily keep them until June under controlled refrigeration in a gas atmosphere. They still remain juicy, firm, crunchy and sweet. [citation needed] The original seed was a cross between the varieties McIntosh and Red Delicious.
An apple tree in Germany. Many apples grow readily from seeds. However, apples must be propagated asexually to obtain cuttings with the characteristics of the parent. This is because seedling apples are "extreme heterozygotes". Rather than resembling their parents, seedlings are all different from each other and from their parents. [42]
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The Zestar! apple is protected under the US Plant Patent #97120. [5] In common with other apples developed by the university, Zestar! is a registered trademark and can only be grown as a "managed variety". Growers must be licensed to a university approved co-operative and follow strict growing, harvesting and shipping methodology. [6]
Malus niedzwetzkyana, or Niedzwetzky's apple, is a kind of apple native to Asia noted for its red-fleshed, red-skinned fruit and red flowers. Some botanists consider it a distinct species, while others have argued that it is simply an unusual variety of the common apple .
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 ]
It has been said that the name derives from Edmond-Charles Genet, a Frenchman who gave cuttings to Jefferson, who then passed them on to Virginia nurseryman Caleb Ralls, but this claim, cited here from 1905, was not made until about 100 years after the apple became known and may not be accurate.