ZHAO Yu-hui,WANG Gang,SU Kai,et al.Study on the Correlation Between the Traits of Seed and Fruit of Hawthorn C.pinnatifida Bge.) Germplasm Resource[J].Northern Horticulture,2014,38(19):1-4.
山楂种质资源种核性状与果实性状的相关性研究
- Title:
- Study on the Correlation Between the Traits of Seed and Fruit of Hawthorn C.pinnatifida Bge.) Germplasm Resource
- 文章编号:
- 1001-0009(2014)19-0001-04
- 分类号:
- S 661.502.4
- 文献标志码:
- A
- 摘要:
- 以原产于中国的山楂种内83份资源为试材，对山楂种质资源种核数、心室数、百核重、种仁率、种核特征5个种子性状及可食率、单果重2个果实性状进行调查，并分析了性状间的相关性及遗传多样性。结果表明：种核数与心室呈正相关，与种仁率呈负相关，与单果重呈正相关；心室数与种仁率呈负相关，与可食率呈正相关，与单果重呈正相关；百核重与种仁率呈负相关，与可食率呈正相关，与单果重呈正相关；种仁率与可食率呈负相关，与单果重呈负相关；可食率与单果重呈正相关。遗传多样性分析结果显示，种仁率变异系数最大为75.60%，其次是百核重，变异系数为30.73%，种核特征变异系数为21.52%，种核数、心室数与可食率3个性状变异系数分别为9.85%、9.85%、4.89%，在调查的7个性状中，以种仁率、百核重和种核特征遗传变异较大，可作为今后山楂分类的主要性状。
- Abstract:
- With native Chinese hawthorn 83 resources as test materials,the number of the seed and heart chamber,the weight of hundred seeds,the kernel percentage,the trait of the seed in the department of the seed and the fruit traitsincluding the edible percentage and the weight of single fruit were investigated,the correlationship among these traits and the genetic diversity were analyzed.The results showed that there was positive correlation existed between the seed number and heart chamber number and also the single fruit weight,the correlation between the seed number and kernel percentage was negative correlation,the heart chamber number and the kernel percentage was negative correlation；the heart chamber number and the edible percentage was positive correlation,the heart chamber number and the single fruit weight was positive correlation too；the weight of hundred seeds and the kernel percentage was negative correlation,the weight of hundred seeds and edible percentage was positive correlation,the weight of hundred seeds and the single fruit weight was positive correlation；the kernel percentage and the edible percentage was negative correlation,the kernel percentage and the single weight was negative correlation,the edible percentage and the single fruit weight was positive correlation.The analysis of genetic diversity showed that the kernel percentage had the maximum,the value was 75.60%,and then the variable coefficient of hundred seeds weight was 30.73%,the variable coefficient of seed was 21.52%,the variable coefficient of the number of seed,the heart chamber number and the edible percentage was 9.85%,9.85% and 4.89% respectively.Among the 7 traits investigated,the kernel percentage,hundred seeds weight and the trait of seed had the significant genetic variation,and could be the main traits for the hawthorn classification in the future.
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备注/Memo
第一作者简介：赵玉辉（1976-），女，博士，讲师，研究方向为果树种质资源利用与评价。E-mail：zhaoyuhui76@126.com.
责任作者：董文轩（1963-），男，博士，教授，研究方向为果树种质资源利用与评价。E-mail：wxdong63@126.com.
基金项目：国家自然科学基金资助项目（31101515）；沈阳农业大学青年教师基金资助项目（20101017）。
收稿日期：2014-05-27