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Pyrus calleryana, also known as the Callery pear or Bradford pear, is a species of pear tree native to China and Vietnam, [2] in the family Rosaceae. It is most commonly known for its cultivar 'Bradford' and its offensive odor, widely planted throughout the United States and increasingly regarded as an invasive species .
Over 3000 cultivars of the pear are known. [1] The following is a list of the more common and important cultivars, with the year and place of origin (where documented) and an indication of whether the pears are for cooking, eating, canning, drying or making perry.
While the Bradford pear tree is a sterile cultivar that can’t pollinate itself, it can cross-pollinate with other types of pear trees to create a wild hybrid tree. These vigorous hybrids produce ...
Trees that are cross-pollinated or pollinated via an insect pollinator produce more fruit than trees with flowers that just self-pollinate. [1] In fruit trees, bees are an essential part of the pollination process for the formation of fruit. [2] Pollination of fruit trees around the world has been highly studied for hundreds of years. [1] Much ...
This century, Campanis said, horticulturists were surprised to learn that Bradford pear trees readily cross pollinate with other Callery pear varieties like the Cleveland Select and other ...
The Callery pear, or Bradford pear, is one of those vampires. Over the years, Callery pear (Pyrus calleryana) has become one of the most widely planted ornamental trees in the US. But over that ...
Along with cultivars of P. pyrifolia and P. ussuriensis, the fruit is also called the nashi pear. [2] These very juicy, white to light yellow pears, unlike the round Nashi pears ( P. pyrifolia ) that are also grown in eastern Asia , are shaped more like the European pear ( Pyrus communis ), narrow towards the stem end.
Pyrus communis, the common pear, is a species of pear native to central and eastern Europe, and western Asia. [3]It is one of the most important fruits of temperate regions, being the species from which most orchard pear cultivars grown in Europe, North America, and Australia have been developed.
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