‘京白梨’与‘鸭梨’正反交后代果实性状遗传倾向研究

园艺学报 ›› 2011, Vol. 38 ›› Issue (2): 215-215–224.

‘京白梨’与‘鸭梨’正反交后代果实性状遗传倾向研究

崔艳波1，陈慧1，乐文全2，张树军1，伍涛1，陶书田1，张绍铃1,*

（1南京农业大学梨工程技术研究中心，南京 210095；2河北省农林科学院昌黎果树研究所，河北昌黎 066600）

收稿日期:2010-12-04 修回日期:2011-01-26 出版日期:2011-02-25 发布日期:2011-02-25
通讯作者: 张绍铃

Studies on Genetic Tendency of Fruit Characters in Reciprocal Crosses Generation Between‘Jingbaili’and‘Yali’Pear Cultivars

CUI Yan-bo1，CHEN Hui1，YUE Wen-quan2，ZHANG Shu-jun1，WU Tao1，TAO Shu-tian1，and ZHANG Shao-ling1,*

（1Pear Engineering Research Centre，Nanjing Agricultural University，Nanjing 210095，China; 2Research Institute of Changli Fruit Tree，Hebei Academy of Agricultural and Forestry Sciences，Changli，Hebei 066600，China）

Received:2010-12-04 Revised:2011-01-26 Online:2011-02-25 Published:2011-02-25
Contact: ZHANG Shao-ling

摘要/Abstract

摘要： 以‘京白梨’与‘鸭梨’及其正反交后代为材料，研究了果实性状的遗传倾向。结果表明：‘京白梨’与‘鸭梨’杂交后代果实性状大多为多基因控制的数量性状。杂种后代果实有变小的趋势，平均遗传传递力为77.14%，平均变异系数为38.26%。果实可溶性固形物与可溶性糖都呈升高的趋势，后代平均超高亲率分别为97.25%和35.28%。正反交后代果实硬度均呈增大的趋势，平均遗传传递力为123.81%。可滴定酸有增加的趋势，平均变异系数为51.1%。果实维生素C的遗传正反交倾向不同。果实石细胞有明显增多的趋势，后代平均遗传传递力达到了182.62%。

关键词: 梨, 正反交后代, 果实性状, 遗传倾向

Abstract: ‘Jingbaili’，‘Yali’ pear cultivars and their F1 offspring of reciprocal crossing were used to study genetic tendency of some fruit characters. The results showed that，most of the fruit characters were quantitative and controlled by polygenic. Fruit size was observed to be smaller in F1 generation，with the average transmitting ability and average coefficient of variation as 77.14% and 38.26% respectively. Compared with parent’s fruit，increase of soluble solids and soluble sugar content were obtained together in the hybrid fruits，97.25% and 35.28%，higher than those of parents respectively basing on average values. Firmness and titratable acid also tended to be higher than parents，with the average transmitting ability and coefficient of variation as 123.81% and 51.1% respectively. Same for content of stone cells，it was significant higher in F1 generation，and the value of average transmitting ability was up to 182.62%. As regards the vitamin C content，fruit of F1 generation had opposite genetic tendency when‘Jingbaili’or‘Yali’was as pollen parent.

Key words: pear, reciprocal crosses generation, fruit character, genetic tendency

中图分类号:

S 661.2

崔艳波;陈慧;乐文全;张树军;伍涛;陶书田;张绍铃;. ‘京白梨’与‘鸭梨’正反交后代果实性状遗传倾向研究[J]. 园艺学报, 2011, 38(2): 215-215–224.

CUI Yan-bo;CHEN Hui;YUE Wen-quan;ZHANG Shu-jun;WU Tao;TAO Shu-tian;and ZHANG Shao-ling;. Studies on Genetic Tendency of Fruit Characters in Reciprocal Crosses Generation Between‘Jingbaili’and‘Yali’Pear Cultivars[J]. ACTA HORTICULTURAE SINICA, 2011, 38(2): 215-215–224.

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