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

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (2): 215-215–224.

• Fruit Trees • Previous Articles Next Articles

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

Abstract

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

CLC Number:

S 661.2

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

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