DONG Shengli,LI Chaohai,ZHANG Xiaoli,et al.Analysis of Characteristic Differences of Seedlings From Full-sib Families of Korla Fragrant Pear[J].Northern Horticulture,2016,40(05):13-16.[doi:10.11937/bfyy.201605004]
库尔勒香梨全同胞家系实生苗特性差异分析
- Title:
- Analysis of Characteristic Differences of Seedlings From Full-sib Families of Korla Fragrant Pear
- Keywords:
- Korla fragrant pear; full-sib family; seedling; character
- 文献标志码:
- A
- 摘要:
- 以6个1年生库尔勒香梨全同胞家系杂交实生苗为研究对象，调查了6个家系单株的株高、地径、叶片长、叶片宽、叶面积和叶片周长，并对6个家系和家系间的特性差异进行了分析。结果表明：6个全同胞家系中叶片和枝干均发生了不同程度的性状分离，各部分的性状分离度大小依次为叶面积>周长>地径>叶长>株高>叶宽；苹香梨和库尔勒香梨授粉组合的实生苗生长状况最好，晚香梨×库尔勒香梨和库尔勒香梨×苹香梨授粉组合的性状分离度最高；母本对叶片和枝干的特性影响要大于父本，父本对杂交实生苗的叶片特性影响较大；叶面积可作为实生苗早期鉴定的重要参考因素。
- Abstract:
- One-year-crossbred seedlings from 6 full-sib families of Korla fragrant pear were used as materials，and plant height，basal diameter，leaf length and width，leaf area and perimeter were measured for analyzing the characteristic differences within and among 6 full-sib families.The results showed that the characters of plant and leaf from 6 full-sib families had segregated to various degrees.The character segregation rank of character from different plant parts as follow：leaf area>leaf perimeter>basal diameter>leaf length>plant height>leaf width.The pollination combination of Pingxiang pear and Korla fragrant pear showed the best in seedling growth.The character segregation degree of Wanxiang pear×Korla fragrant pear and Korla fragrant pear×Pingxiang pear were the largest among 6 pollination combinations.Effect of female parent on plant and leaf characters were bigger than male parent，and male parent mainly effect on leaf characters.So leaf area could be one of the important reference index in the early identification of crossbred seedlings.
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备注/Memo
第一作者简介：董胜利（1970-），男，新疆吐鲁番人，本科，农艺师，研究方向为果树种质资源。E-mail：1449693707@qq.com.基金项目：自治区公益性科研院所基本科研业务经费资助项目（KY2014026）；国家科技基础条件平台项目子课题资助项目（NICGR2015-060）。