The center of diversity of the genu

The center of diversity of the genus Malus is in eastern Turkey. The apple tree was perhaps the earliest tree to be cultivated,[17] and its fruits have been improved through selection over thousands of years. Alexander the Great is credited with finding dwarfed apples in Kazakhstan in Asia in 328 BCE;[4] those he brought back to Macedonia might have been the progenitors of dwarfing root stocks. Winter apples, picked in late autumn and stored just above freezing, have been an important food in Asia and Europe for millennia.[17]

Apples were brought to North America by colonists in the 17th century,[4] and the first apple orchard on the North American continent was planted in Boston by Reverend William Blaxton in 1625.[18] The only apples native to North America are crab apples, which were once called "common apples".[19] Apple varieties brought as seed from Europe were spread along Native American trade routes, as well as being cultivated on Colonial farms. An 1845 United States apples nursery catalogue sold 350 of the "best" varieties, showing the proliferation of new North American varieties by the early 19th century.[19] In the 20th century, irrigation projects in Eastern Washington began and allowed the development of the multibillion dollar fruit industry, of which the apple is the leading product.[4]

Until the 20th century, farmers stored apples in frostproof cellars during the winter for their own use or for sale. Improved transportation of fresh apples by train and road replaced the necessity for storage.[20][21] In the 21st century, long-term storage again came into popularity, as "controlled atmosphere" facilities were used to keep apples fresh year-round. Controlled atmosphere facilities use high humidity and low oxygen and carbon dioxide levels to maintain fruit freshness

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The center of diversity of the genus Malus is in eastern Turkey. The apple tree was perhaps the earliest tree to be, 17 cultivated []. And its fruits have been improved through selection over thousands of years. Alexander the Great is credited with finding. Dwarfed apples in Kazakhstan in Asia in 328 BCE; [] those 4 he brought back to Macedonia might have been the progenitors of. Dwarfing root stocks.Winter apples picked in, late autumn and stored just, above freezing have been an important food in Asia and Europe for. Millennia. [17]

Apples were brought to North America by colonists in the 17th century, [] and 4 the first apple orchard on. The North American continent was planted in Boston by Reverend William Blaxton in 1625. [] The 18 only apples native to North. America are, crab applesWhich were once called "common apples." [] Apple 19 varieties brought as seed from Europe were spread along Native American. Trade routes as well, as being cultivated on Colonial farms. An 1845 United States apples nursery catalogue sold 350 of. The "best" varieties showing the, proliferation of new North American varieties by the early 19th century. [] In 19 the 20th. Century.Irrigation projects in Eastern Washington began and allowed the development of the multibillion dollar, fruit industry. Of which the apple is the leading product. [4]

Until the 20th century farmers stored, apples in frostproof cellars during. The winter for their own use or for sale. Improved transportation of fresh apples by train and road replaced the necessity. For storage.[] [] In 20 21 The, 21st century long-term storage again came, into popularity as controlled atmosphere facilities were. "" Used to keep apples fresh year-round. Controlled atmosphere facilities use high humidity and low oxygen and carbon dioxide. Levels to maintain fruit freshness.