湖泊科学2011，Vol.23Issue(2)：264-270,7.
江黄颡(Pelteobagrus vachelli)和乌苏里拟鳞(Pseudobagrus ussuriensis)杂交F1代形态差异
Morphometric differences of the hybrid F1 of Pelteobagrus vachelli × Pseudobagrus ussuriensis
摘要
Abstract
The morphological variations of the reciprocal F1 hybrids between Pelteobagrus vachelli and Pseudobagrus ussuriensis were analyzed by Chi-square analysis and multivariate data analysis methods based on the parameters of morphometric characters. The results of Chi-square analysis indicated that there were no significant differences between the reciprocal F1 hybrids and their parents,except for the number of pectoral fin. The number of pectoral fin can be used as an important parameter to discriminate the reciprocal F1 hybrids from their parents. In aspect of the characters of anal fin and caudal fin, there were significant differences between the reciprocal F1 hybrids and their parents of P. vachelli, but not significant between reciprocal F1 hybrids and their parents of P. ussuriensis. The results of cluster analysis have revealed that the morphometric characters of two female parent fish groups were much closer to the two male parent fish groups,as well to the reciprocal F1 hybrids groups. Principal component analysis showed that the morphological differences of six experimental fish groups were induced by length discrepancy of fish body depth. Discriminant analysis indicated that the total discriminant accuracy of the discriminant functions was 97.9％ in the six experimental fish groups. All results showed that the reciprocal F1 hybrids appeared morphological diversity to some extent compared with their parents,and the reciprocal F1 hybrids were much closer to P. ussuriensis in the aspect of morphology.关键词
江黄颡/乌苏里拟鳞/形态差异/多元分析Key words
Pelteobagrus vachelli/ Pseudobagrus ussuriensis/ morphological difference/ multivariate analysis引用本文复制引用
蔡永祥,陈友明,陈校辉,王明华,潘莹,夏爱军..江黄颡(Pelteobagrus vachelli)和乌苏里拟鳞(Pseudobagrus ussuriensis)杂交F1代形态差异[J].湖泊科学,2011,23(2):264-270,7.基金项目
江苏省水产三项工程项目(K2007-8、BZ2008-7)和江苏省科技厅科技支撑项目(BE2009335)联合资助. （K2007-8、BZ2008-7）
