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家蚕品种资源的茧丝纤度及其相关分析

THE INVESTIGATION AND CORRELATIVE ANALYSIS ON COCOON FILAMENT SIZE OF SILKWORM VARIETY RESOURCE

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【作者】 林昌麒陈克平吴冬秀汪萍姚琴

【Author】 Lin Chang-qi Chen Ke-pin Wu Dong-xiu Wang Pin Yao Qin (The Sericultural Research Institute,Chinese Academy of Agricultural Sciences ,Zhenjiang 212018 ,China)

【机构】 中国农业科学院蚕业研究所

【摘要】 对200个家蚕保育品种的茧丝纤度进行调查,平均2.80dtex(2.52D),最粗3.93dtex(3.54D),最细1.72dtex(1.55D)。茧丝纤度以日系品种最粗,欧系品种次之,中系品种再次之,热带系统品种最细。以化性论,一化品种最粗,二化品种次之,多化种最细。与其他性状进行的相关分析表明,纤度与茧丝长、解舒丝长、茧层含胶率、净度成负相关,部分达显著或极显著程度。与全茧量、茧层量、蛹体重、五龄一日茧层量、茧丝量成正相关,部分达显著或极显著程度。与发育经过和体质无相关。

【Abstract】 he cocoon filament size of 200 preserved silkworm varieties was tested in springrearing season of 1992.The average size of all varieties tested is 2.80 dtex.The thickestis 3.93 dtex and the finest is 1.72 dtex.The size of different strains is in the order ofJapenese strain > European strain > Chinese strain > tropical strain.That of differentvoltinism is in the order of monovoltine > bivoltine>multivoltine.Correlative analysisshowed that filament size is negtively correlated with filament length,nonbrokenfilament length,percentage of sericin in cocoon shell and neatness ,some of which aresignificant or extremely significant.It is positively correlated with cocoon shell weight,pupa weight ,average cocoon shell weight/day in the 5th instar and filament weight,some of which are significant or extremely significant.It is not related with durations ofdevelopmental stages and constitution of the larvae.

【关键词】 家蚕品种纤度性状相关
【Key words】 Bombyx mori Variety Size Character Correlation
  • 【文献出处】 蚕业科学 ,ACTA SERICOLOGICA SINICA , 编辑部邮箱 ,1995年03期
  • 【分类号】S882.1
  • 【被引频次】18
  • 【下载频次】74
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