【摘要】 以俄罗斯引进的性连锁平衡致死系S14和春用多丝量家蚕品种春日为材料 ,采用杂交、回交并结合测交和标记基因选择的方法 ,育成性连锁平衡致死系平 8,与常规蚕品种夏·华选配雄蚕杂交组合夏·华×平 8,其雄蚕率达到 99%以上。农村试养表现发育齐一、强健好养、产量高等特点。更多还原

【Abstract】 With the materials of the sex linked balanced lethal line S14 introduced from Russia and the silk rich race Chunri for spring rearing, a new sex linked balanced lethal line Ping8 was bred throuth hybridization,backcross and combined with test cross and marker gene selection.Xia·Hua×Ping 8 was selected through cross combination with common silkworm race Xia·Hua.The male rate of the variety reached over 99%.The results of countryside rearing test showed that it is a strong,healthy and easy to rear variety of male hybrid with uniform development,good cocoon output and economic benefit.更多还原