戟状斑纹家蚕品种“豫芸×星戟”的育成  

The Breeding of Silkworm Cariety“Yuyun×Xingji”with Scutiform Striped Pattern

作　　者：袁颖 崔胜 李元洪 崔自学 李同宇 孟凡刚 李长安 潘茂华 YUAN Ying;CUI Sheng;LI Yuanhong;CUI Zixue;LI Tongyu;MENG Fangang;LI Changan;PAN Maohua(Henan Provincial Sericulture Research Institute,Zhengzhou 450008,China;Lushan County Sericulture Development Service Center,Lushan Henan 467399,China;不详)

机构地区：[1]河南省蚕业科学研究院,郑州450008 [2]鲁山县蚕业发展服务中心,河南鲁山467399 [3]不详

出　　处：《北方蚕业》2024年第3期7-13,18,共8页North Sericulture

基　　金：2021年、2022年河南省基本科研业务费;财政部和农业农村部国家现代农业产业技术体系建设项目(CARS-18-SYZ09)。

摘　　要：河南省蚕业科学研究院利用杂交和回交等育种方法,系统选育出卵色呈青色、灰色的中系品种豫芸和蚕体为戟状斑纹的日系品种星戟,并组配成二元杂交组合豫芸×星戟。2021—2023年实验室鉴定的结果,豫芸×星戟五龄经过8 d13 h、全龄经过26 d11 h,死笼率10.38%,虫蛹生命率86.97%,茧层率24.57%,万蚕收茧量16.204 kg,茧丝长1185.5 m,解舒率70.40%,干毛茧出丝率41.50%,茧丝纤度2.988 dtex,洁净91.50分,清洁99.7分。2022—2023年农村鉴定的结果,豫芸×星戟五龄经过8 d8 h、全龄经过26 d18 h,死笼率13.36%,虫蛹统一生命率85.67%,茧层率21.757%,万蚕收茧量16.398 kg,茧丝长1066.6 m,解舒率52.57%,干毛茧出丝率36.82%,茧丝纤度2.896 dtex,洁净93.00分,清洁99.7分。该品种已通过河南省蚕桑品种审定委员会的审定。A Chinese variety Yuyun and a Japanese variety Xingji was bred using hybrid and backcross methods by Henan Provincial Academy of Sericulture.These systematically bred varieties are characterized by blue and gray egg colors for Yuyun,and scutiform striped pattern body for Xingji.A binary hybrid combination,Yuyun×Xingji,was then developed.Results from laboratory evaluations conducted between 2021 and 2023 showed that the fifth instar of Yuyun×Xingji took 8 days and 13 hours to mature,while the total duration for all instars was 26 days and 11 hours.The mortality rate in the cocoons was 10.38%,the pupation survival rate was 86.97%,and the cocoon layer rate was 24.57%.The total cocoon yield per 10,000 silkworms was 16.204 kg,with a cocoon silk length of 1,185.5 meters,a reeling rate of 70.40%,a dry cocoon silk yield rate of 41.50%,a cocoon silk fineness of 2.988 dtex,a cleanliness score of 91.50,and a cleaning score of 99.7.In rural assessments conducted from 2022 to 2023,Yuyun×Xingji had a fifth instar duration of 8 days and 8 hours,with a total duration for all instars of 26 days and 18 hours.The mortality rate was 13.36%,the uniform pupation survival rate was 85.67%,and the cocoon layer rate was 21.757%.The total cocoon yield per 10,000 silkworms was 16.398 kg,with a cocoon silk length of 1,066.6 meters,a reeling rate of 52.57%,a dry cocoon silk yield rate of 36.82%,a cocoon silk fineness of 2.896 dtex,a cleanliness score of 93.00,and a cleaning score of 99.7.This variety has been officially approved by the Henan Provincial Sericulture Variety Approval Committee.

关 键 词：豫芸×星戟 品种选育 戟状斑纹 卵色 

分 类 号：S882[农业科学—特种经济动物饲养]