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当前位置: 首页 > 文章 > 春用多丝量雄蚕品种“鲁菁×华阳”的育成 蚕业科学 2009 (1) 172-176
Position: Home > Articles > Breeding of A Male Silkworm Variety "Lujing × Huayang" for Spring Rearing Science of Sericulture 2009 (1) 172-176

春用多丝量雄蚕品种“鲁菁×华阳”的育成

作  者：
孙勇;房德文;朱勤高;管瑞英;刘国俊;陈诗;何克荣
单  位：
浙江省农业科学院蚕桑研究所;山东广通蚕种集团有限公司
关键词：
家蚕;性连锁平衡致死系;雄蚕品种;鲁菁×华阳
摘  要：
以家蚕平衡致死系平76为受体亲本,以丝质优良的普通蚕品种皓月为基因供体材料,采用杂交、自交和回交三步改良家蚕性连锁平衡致死系的方法,育成了经济性状优良的性连锁平衡致死系华阳;以限性皮斑蚕品种857为母本,以茧丝质优良、茧层率高、配合力优的蚕品种菁松为父本,转育成限性皮斑蚕品种鲁菁。两者组配成雄蚕杂交组合鲁菁×华阳,其雄蚕率达到98%以上,茧层率、万蚕茧层量和鲜茧出丝率分别比对照品种菁松×皓月高3.42%、0.46 kg和3.52个百分点,是一对经济性状优良的春用多丝量雄蚕品种。
译  名：
Breeding of A Male Silkworm Variety "Lujing × Huayang" for Spring Rearing
作  者：
SUN Yong1 FANG De-Wen1 ZHU Qin-Gao1 GUAN Rui-Ying1 LIU Guo-Jun1CHEN Shi2 HE Ke-Rong2(1Shandong Guangtong Silkworm Eggs Group Co.Ltd.,Qingzhou Shandong 262500,China;2The Sericultural Research Institute,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,China)
关键词：
Bombyx mori;Sex linked balanced lethal line;Male silkworm variety;Lujing×Huayang
摘  要：
In this breeding practice,a sex linked balanced lethal line named Huayang with good economic characters were prepared through hybridization,self-fertilization and backcross with the balanced lethal line Ping76 and the common silkworm race Haoyue which has good silk quality.Besides,a streak sex-limited silkworm strain Lujing was prepared from female parent silkworm race 857 with sex-limited streaks and male parent Qingsong which has good silk quality,high cocoon shell rate and excellent combining ability.The obtained hybrid combination,Lujing × Huayang,has a high male rate over 98%,and the yields of cocoon shell rate,cocoon shell weight and silk weight per 10 000 larvae were increased by 3.42%,0.46 kg and 3.52% respectively compared to Jingsong × Haoyue.The results showed that it is a male silkworm variety with good economic characters for spring rearing.

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