Pyrus × sinkiangensis

Pyrus × sinkiangensis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Pyrus
Species:	P. × sinkiangensis
Binomial name
	Pyrus × sinkiangensis; T.T.Yu

Pyrus × sinkangensis, the Xinjiang pear, has been suspected to be of complex hybrid origin involving P. communis and Chinese white pears based on their morphological characteristics.^[1]

Cultivars of P. × sinkangensis vary considerably, combining characteristics of both P. communis and Chinese white pears. Generally, the fruit shape of this species is much similar to P. communis, but with a long pedicel. Some cultivars of P. × sinkiangensis bear fruits with a persistent calyx and strong aroma, needing ripening before being edible, which is similar to P. communis. On the other hand, fruits of some cultivars are juicy and crisp and not needed for ripening, which is like Chinese white pear.^{[citation needed]}

New information from DNA-based markers indicates that P. × sinkiangensis usually produced complex RAPD profiles, at least P. communis, P. armeniacifolia and Chinese white pears or sand pears have been involved in the origin of Xinjiang pears.^[2]

References

^ Yu T and Kuan K 1963. Taxa nova Rosacearum (1). Acta Phytotaxon. Sin. 8:202-236.
^ Teng Y, Tanabe K, Tamura F and Itai . 2001. Genetic relationships of pear cultivars in Xinjiang, China as measured by RAPD markers. J. Hort. Sci. Biotech. 76:771-779.

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[1] Yu T and Kuan K 1963. Taxa nova Rosacearum (1). Acta Phytotaxon. Sin. 8:202-236.

[2] Teng Y, Tanabe K, Tamura F and Itai . 2001. Genetic relationships of pear cultivars in Xinjiang, China as measured by RAPD markers. J. Hort. Sci. Biotech. 76:771-779.

[1]

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v t e Pyrus
Cultivars	Abate Fetel Bosc pear Choke pear Churchland pear Concorde Conference pear D'Anjou Doyenné du Comice Harovin Sundown Huntington pear Le Conte pear Parsonage pear Pêra Rocha Seckel pear Stinking Bishop pear Taylor's gold Warden pear Williams pear Winter Nelis pear	Pear
Species	P. anatolica P. armeniacifolia P. boissieriana P. bourgaeana P. calleryana P. communis P. cordata P. elaeagrifolia P. hakkiarica P. korshinskyi P. nivalis P. oxyprion P. pashia P. pyraster P. pyrifolia P. salicifolia P. serikensis P. spinosa P. syriaca P. ussuriensis
Natural hybrids	Pyrus × bretschneideri Pyrus × sinkiangensis
Related topics	Herefordshire Pomona List of pear diseases Perry Tottori Nijisseiki Pear Museum World Apple and Pear Association
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