The Origin and Evolution of Pyrus Plants and Cultivated Pear in Yunnan(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: The Origin and Evolution of Pyrus Plants and Cultivated Pear in Yunnan

Author(s):: HUANG Min¹; WU Shao-bo²; 1.Urban Modern Agriculture Engineering Research Center，College of Agriculture，Kunming University，Kunming，Yunnan 650214；
2.College of Landscape and Horticulture，Yunnan Agricultural University，Kunming，Yunnan 650201

Abstract:: On the basis of a brief introduction of Pyrus and origin of cultivated pears in Yunnan,the species and distribution of Pyrus in Yunnan Province were discussed.There were 8 sorts of Pyrus resources.Among them，P.pashia Buch-Ham，P．pyrifolia Nakai，P．pseudopashia Yu，P．calleryana Dcne were endemic species and P.bretschneideri Rehd，P.ussuriensis Maxim, P.communis L.，P．betulaefolia Bge were exotic species.There were 420 varieties (strain) of cultivated pear in Yunnan，320 were original and about 100 were external.They were divided into P.pyrifolia Nakai system,P.pashia Buch-Ham system,P.bretshneideri Rehd system and P.communis 1 system;the evolution of Pyrus and cultivated pears were analyzed;value of local germplasm and protection and unlization of Pyrus trees were prospected,for lying a fonndation for its full use.

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Last Update: 2014-08-31