海洋科学Issue(1)：70-75,6.
蛤仔回交家系建立及早期生长发育比较
Establishment of backcross families of Manila clam Ruditapes philippinarum and comparison of their early growth and de-velopment
摘要
Abstract
Four backcross families (B1F1 (♀HD×♂H), B2F1 (♀D×♂HD), B3F1 (♀HD×♂D) and B4F1 (♀H×♂HD) of Manila clam Ruditapes philippinarum) were established in September, 2009. Phenotypic traits of these families were analyzed. No significant difference were detected in egg-diameter, fertilization rates, hatching rates, and D larval size among the families (P>0.05). We found that the growth rates of B1F1 and B3F1, which were selected F1 (♀) as female parents were significantly higher than those of B2F1 and B4F1 selected F1 (♂) as male parents (P<0.05), at all the early growth stages, but the difference between B1F1, B3F1 and control line were not significant before 60 days (P>0.05). Comparing the survival rates of these families, B1F1 and B3F1, were also significantly higher than those of B2F1 and B4F1, while there was no significant difference between B1F1, B3F1 and control line throughout the early growth stages (P>0.05). Therefore, selecting F1 (♀) as the female parent, and then conducting a backcross breeding appears to be an effective method for genetic improvement of Manila clam Ruditapes philippi-narum.关键词
蛤仔/回交/家系/生长/存活Key words
Ruditapes philippinarum/backcross/family/growth/survival分类
生物科学引用本文复制引用
赵力强,闫喜武,霍忠明,杨凤..蛤仔回交家系建立及早期生长发育比较[J].海洋科学,2013,(1):70-75,6.基金项目
现代农业产业技术体系建设专项(CARS-48) （CARS-48）
