https://www.ahs.ac.cn/images/0513-353X/images/top-banner1.jpg|#|苹果
https://www.ahs.ac.cn/images/0513-353X/images/top-banner2.jpg|#|甘蓝
https://www.ahs.ac.cn/images/0513-353X/images/top-banner3.jpg|#|菊花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner4.jpg|#|灵芝
https://www.ahs.ac.cn/images/0513-353X/images/top-banner5.jpg|#|桃
https://www.ahs.ac.cn/images/0513-353X/images/top-banner6.jpg|#|黄瓜
https://www.ahs.ac.cn/images/0513-353X/images/top-banner7.jpg|#|蝴蝶兰
https://www.ahs.ac.cn/images/0513-353X/images/top-banner8.jpg|#|樱桃
https://www.ahs.ac.cn/images/0513-353X/images/top-banner9.jpg|#|观赏荷花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner10.jpg|#|菊花
https://www.ahs.ac.cn/images/0513-353X/images/top-banner11.jpg|#|月季
https://www.ahs.ac.cn/images/0513-353X/images/top-banner12.jpg|#|菊花

ACTA HORTICULTURAE SINICA ›› 2018, Vol. 45 ›› Issue (12): 2291-2307.doi: 10.16420/j.issn.0513-353x.2018-0401

• Research Papers • Previous Articles     Next Articles

Pedigree Analysis of Pear Varieties(Lines)Bred in China

ZHANG Shaoling1,*,QIAN Ming1,YIN Hao1,LI Xiugen2,WU Jun1,QI Kaijie1,and WU Xiao1   

  1. 1Pear Engineering and Technology Research Center,Nanjing Agricultural University,Nanjing 210095,China;2Zhengzhou Fruit Research Institute,Chinese Academy of Agricultural Sciences,Zhengzhou 450009,China
  • Online:2018-12-25 Published:2018-12-25

Abstract: To comprehensively understand the Chinese pear breeding achievements,we have systematically collected and analyzed the Chinese pear varieties(including lines)bred independently during 1949—2018,and drawn the pedigree trees of varieties,which were bred using partial main varieties as parents. Till now,a total of 327 pear varieties bred in China have been reported,mostly are hybrid varieties(207,63.30%),others are bud sports(70,20.41%),seedling selection varieties(41,12.54%) and mutation varieties(9,2.75%),respectively. According to the varied characteristics,varieties with scab resistance were the most(134,40.98%),the number of varieties with cold resistance and storability were 91(27.83%)and 84(25.69%),respectively. According the reported fruit maturity of 265 varieties,which can be separated into 3 classes,including early,medium and late maturity,their percentage was 25.28%,43.77% and 30.95%,respectively. Three hundred and one varieties with known parents have been analyzed,the results revealed that these varieties were bred by 137 direct parental varieties,including 49 Chinese landraces,44 abroad varieties and 44 derived varieties,and the‘Pingguoli’derived varieties were the most(66),followed by‘Nijisseiki’(57),‘Yali’(43),‘Chili’(36),‘Dangshansuli’(21)and‘Kuerlexiangli’(14). As a result,the hybrid varieties originated from parents with different geographical or botanical characteristics usually exist with much higher heterosis.

Key words: pear, variety, pedigree analysis, parental combination, core parents

CLC Number: