SONG Jian-kun,DIAO Meng-xian,WANG Ran.The Primary Research on Genetic Trend of Pear Fruit Characters on Hybrid Progenies From Pyrus pyrifolia Nakai cv.‘Whangkeumbae’ Pear and Pyrus bretschneideri Rehd.cv.‘Dangshansu’[J].Northern Horticulture,2014,38(14):28-30.
黄金梨与砀山酥梨杂交后代果实性状遗传趋势的初步研究
- Title:
- The Primary Research on Genetic Trend of Pear Fruit Characters on Hybrid Progenies From Pyrus pyrifolia Nakai cv.‘Whangkeumbae’ Pear and Pyrus bretschneideri Rehd.cv.‘Dangshansu’
- 文章编号:
- 1001-0009(2014)14-0028-03
- Keywords:
- Pyrus pyrifolia Nakai cv.‘Whangkeumbae’ pear; Pyrus bretschneideri Rehd.cv.‘Dangshansu’; hybrid progenies; fruit characters; genetic trend
- 分类号:
- S 661.2
- 文献标志码:
- B
- 摘要:
- 以黄金梨和砀山酥梨的杂交后代果树群体为研究对象，对其果实性状的遗传分布进行了研究，初步分析了杂交后代在果重、果色、果形及可溶性固形物的遗传倾向性。结果表明：杂交后代果重主要集中在150～300 g范围内，整体呈正态分布趋势，属数量性状遗传；果色以传统梨的黄色和黄绿色为主，趋向于亲本的果实颜色；果形主要以圆形为主；可溶性固形物含量大部分在9%～12%之间，整体呈正态分布趋势，属数量性状遗传。
- Abstract:
- With fruit trees of hybrid progenies from Pyrus pyrifolia Nakai cv.‘Whangkeumbae’ pear and Pyrus bretschneideri Rehd.cv.‘Dangshansu’ as research object,the genetic distribution of fruit characters was studied and the genetic trends of fruit weight,pericarp color,fruit shape and soluble solid content were analyzed.The results showed that the fruit weight of hybrids was mainly concentrated in the range of 150～300 g and presented a trend of normal distribution,indicating fruit weight belonged to quantitative traits inheritance.The fruit color focused on the yellow and yellow green of traditional pear,which tended to the parents’ color.The fruit shape of hybrid progenies are mainly round.The soluble solids content was mostly between 9%～12% and the overall trend showed a normal distribution,indicating the soluble solids was a quantitative trait inheritance.
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备注/Memo
第一作者简介：宋健坤（1978-），男，博士，副教授，现主要从事梨育种等研究工作。E-mail:qausjk@126.com.