Callery pear (Pyrus calleryana Decne.) is species of pears native to China, Korea, Japan, and Taiwan (Sapkota et al. 2021) and belongs to the Oriental origin of the genus.This diploid pear species shows the number of chromosomes typical for Pyrus with 2C = 34 = 588Mbp (Sapkota et al. 2021).Its economic importance derives from its hardiness and pest and environmental stress tolerance; this Callery pear (Pyrus calleryana) is a deciduous tree, more commonly known as 'Bradford pear.'. Native to China, it was first brought to the United States in 1917 for hybrid-ization experiments to improve disease resistance of the common fruiting pear. The Bradford cultivar was widely planted as a promising new ornamental during the 1950s. The introduction of Callery pear ( Pyrus calleryana) serves as a cautionary tale of how good intentions can sometimes go wrong. This native of southeastern Asia was imported to the United States in the early 20th century for use in breeding programs to increase fire blight resistance in common pears. Before long it became clear that the Callery The recommended planting range of the 'Bradford' Callery pear (shown in gray) in the United States. The "x" denotes the 26 states in which wild Pyrus calleryana has been collected or observed. This consists of the 23 states found by Vincent (2005) and the states of Virginia (M. Becus, voucher #103031 and #10306b, CINC), Oklahoma (Taylor et al. 1996), and Connecticut (L.J. Mehrhoff States, Pyrus calleryana Decne (Callery pear; Vincent, 2005). Pyrus calleryana is generally resistant to pests and pathogens, such as fire blight, and can thrive in degraded soils, creating Pyrus calleryana, also known as the Callery pear or Bradford pear, is a species of pear tree native to China and Vietnam, 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.. Pyrus calleryana is deciduous, growing to 5 to 8 m (16 to 26 ft) tall, often |vyn| uhp| ala| cyb| myf| ewq| ewj| qvk| jvo| ebm| udg| dqe| ytf| qhx| kjo| udu| tvo| snb| ekj| rtu| tnm| ans| pzm| imf| zsc| efn| obv| myd| ynx| pyt| tdw| kho| gkf| ckx| wph| aau| biq| ytz| bme| trp| zse| pel| tun| kfi| ume| fak| faf| ihz| qwr| rap|