| 桑蚕春秋用品种贵蚕7号的选育 |
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| 引用本文： | 黄桂辉,孙运朋,曾晓英,王晓红,罗朝斌,岳宣.桑蚕春秋用品种贵蚕7号的选育[J].贵州农业科学,2012(2):1-3. |
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| 作者姓名： | 黄桂辉 孙运朋 曾晓英 王晓红 罗朝斌 岳宣 |
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| 作者单位： | 贵州省蚕业辣椒研究所 |
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| 基金项目： | 贵州省农业动植物育种专项“桑蚕优良新组合选七号的选育与审定”[黔农育专字(2010)026] |
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| 摘 要： | 为选育适宜贵州饲养的四元春秋蚕品种,采用不完全双列杂交方法,育成了强健优质春秋用蚕品种贵蚕7号(781.57A×7532.862),并进行了室内成绩鉴定,农村饲养试验。结果表明:四龄万蚕产茧量为21.76kg,四龄万蚕茧层量5.04kg,茧层率23.15%,茧丝长1 166.0m,解舒丝长933.3m,解舒率80.0%,茧丝纤度2.720D,张种产茧量52.20kg。贵蚕7号体质强健,茧丝质良好,综合经济性状优良,适宜作贵州广大蚕区春秋季用种。
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| 关 键 词： | 贵蚕7号 桑蚕 品种选育 |
Breeding of Guican 7,a New Silkworm Variety for Spring and Autumn |
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| HUANG Gui-hui,SUN Yun-peng,ZENG Xiao-ying, WANG Xiao-hong,LUO Chao-bin,YUE Xuan.Breeding of Guican 7,a New Silkworm Variety for Spring and Autumn[J].Guizhou Agricultural Sciences,2012(2):1-3. |
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| Authors: | HUANG Gui-hui SUN Yun-peng ZENG Xiao-ying WANG Xiao-hong LUO Chao-bin YUE Xuan |
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| Institution: | (Guizhou Sericultural Institute,Zunyi,Guizhou 563006,China) |
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| Abstract: | Guican 7,a new silkworm variety bred from 781.57A×7 532.862 by the incomplete diallel cross method,was identified in door and rural rearing.The results showed that the cocoon yield per 10 000 larvae,cocoon shell weight per 10 000 larvae,cocoon shell rate,cocoon filament length,length of none-broken filament,reelablity,cocoon dtex size and cocoon yield per case of eggs was 21.76 kg,5.04 kg,23.15%,1 166.0m,933.3 m,80.0%,2.720D and 52.20 kg respectively.Guican 7 with physical strength,good cocoon quality and better integrated economic characters can be popularized in Spring and Autumn in Guizhou. |
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| Keywords: | Guican 7 silkworm variety breeding |
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