强健性多丝量蚕品种“野三元”

正强健性多丝量蚕品种"野三元",是中国农业科学院蚕业研究所利用长期繁衍于野外的野桑蚕与家蚕远缘杂交培育的高产、优质蚕品种。特点特性:该品种正交卵色灰绿色,卵壳淡黄色,克卵粒数1800粒;反交卵色灰紫色,卵壳乳白色、少量淡黄色,克卵粒数1700粒。孵化、眠起、老熟整齐,体色从二龄蚕开始表现为野蚕斑,有少量淡色斑;食性优,食桑旺盛,蚕体粗壮;茧形大而匀正,茧色洁白;全茧量1.8~2.0克,茧层率     

强健性多丝量蚕品种“野三元”的育成(英文)

[Objective] The study aimed to breed eminent mulbery wild silb with hypersilk.[Method] Eminent mulberry wild silkworm basic materials Ye A and Ye B were bred by distant complex crossing of wild mulberry silkworm with strong stress resistance and hypersilkgeneous silkworm,then hybridized with Japanese silkworm strain,the new silkworm variety "Yesanyuan" with healthiness and hypersilkgene was bred.[Ressult]The results of laboratory identification and rural productive test in Jiangsu Province showed that it has excellent feeding habit,strong stress resistance,high yield,excellent silk quality and excellent fecundity.The new silkworm variety "Yesanyuan" had been approved by Silkworm Variety Evaluation Commission of Jiangsu Province in 2008,it is suitable to rear in Yangtze River catchment for Spring and Autumn,North sericultural area for all-year.[Conclusion] The study is helpful for the development of silkworm industry.     

强健性多丝量蚕品种“野三元”的育成(英文)

[Objective] The study aimed to breed eminent mulbery wild silb with hypersilk.[Method] Eminent mulberry wild silkworm basic materials Ye A and Ye B were bred by distant complex crossing of wild mulberry silkworm with strong stress resistance and hypersilkgeneous silkworm,then hybridized with Japanese silkworm strain,the new silkworm variety "Yesanyuan" with healthiness and hypersilkgene was bred.[Ressult]The results of laboratory identification and rural productive test in Jiangsu Province showed that it has excellent feeding habit,strong stress resistance,high yield,excellent silk quality and excellent fecundity.The new silkworm variety "Yesanyuan" had been approved by Silkworm Variety Evaluation Commission of Jiangsu Province in 2008,it is suitable to rear in Yangtze River catchment for Spring and Autumn,North sericultural area for all-year.[Conclusion] The study is helpful for the development of silkworm industry.     

强健性夏秋用新蚕品种川蚕24号育成

[目的]介绍强健性夏秋用蚕品种川蚕24号的选育经过和品种特性。[方法]采用杂交育种和系统选择的方法,育成强健性夏秋用皮斑双限性蚕品种川蚕24号。[结果]经四川省家蚕品种审定的室内鉴定和农村鉴定,新品种具有强健好养、发育整齐、茧丝质优、可根据幼虫体色和斑纹区分雌雄的特点,万蚕产茧量19.66 kg,茧丝长1 241.29 m,解舒丝长941.99 m,解舒率75.87%,鲜茧出丝率17.07%,洁净94.03分,主要经济指标超过对照种。[结论]新品种川蚕24号强健好养,高产优质,适合四川、重庆等长江流域蚕区夏秋季饲养。     

多丝量家蚕品种9601×92的育成及推广

[目的]研究多丝量家蚕品种9601×92的选育及其性状表现。[方法]在家蚕中导入野桑蚕的基因,育成了一对春用品种"9601×92",对其主要经济性状和推广情况进行研究。[结果]与对照种菁松×皓月相比,该品种万头收茧量提高7.49%;万头茧层量提高10.72%;万头产丝量提高8.50%;50 kg桑产茧增加4.18%;5龄蚕50 kg桑产丝量提高4.81%。经多点试养,该品种主要经济性状稳定,丝质优良,尤其是净度好,生产试养中其张种比菁松×皓月增产4.8 kg,茧层率提高1个百分点,张种增值80多元。[结论]该品种具有高产、优质、体健、好养、易繁的特点,综合经济性状优良,适应性强,可在山东省及北方蚕区等适宜地区饲养,是一对春、秋兼用的优质高产家蚕新品种。     

家蚕新品种“野三元”在云南的繁育及试养初报

家蚕新品种"野三元",是中国农科院蚕业研究所吴阳春等人将抗逆性强的野桑蚕与多丝量家蚕品种远缘复合杂交,选育出的强健性多丝量蚕品种。试验设计了新品种"野三元"的繁育对比试验、试验室鉴定对比试验、丝质对比调查等。试验结果表明,与对照种"菁松×皓月"相比,"野三元"具有食性优、繁育系数高、抗逆性强、产茧量高、茧丝质优良等特点,适宜引进云南蚕区全年饲养。     

家蚕新品种野三元的引繁与推广

总结了家蚕新品种野三元在山西省引繁与推广的背景、经济指标、技术路线及取得的主要成果,提出了饲养新品种的主要技术标准。     

家蚕强健多丝量品种川蚕30号的选育及其经济性状稳定性

为选育出适宜四川及长江中下游蚕区春季饲养的优质家蚕品种,采用杂交与定向选育等育种方法,结合选育的早期、中期、后期世代对个体、蛾区、系统三个水平上采用不同的选择技术进行生命力、茧丝质性状的选择,育成主要经济性状互补的家蚕新材料“君”“兰”“星”“月”,并利用不完全双列杂交配合力测试,筛选出家蚕强健多丝量杂交组合品种君?兰×星?月。经鉴定,该杂交组合健康好养,产量高,茧层厚,丝量多,茧丝质性状优良,综合经济性状超过对照品种（川蚕30号）。川蚕30号经同地域不同年份、同年份不同地域饲养,其主要经济性状稳定、高产稳产、健康好养、质量优,于2020年通过四川省家蚕品种审定委员会审定,适宜在四川蚕区及长江中下游蚕区春季饲养。     

平面丝用蚕品种的选育

用纯系选育方法，以吐平面丝性状为重点，经过连续五个世代的强度选拔，育成ＺＡＵ２号（日系）其平面丝的吐丝率达９５％以上，经过与中系品种的配合力测定和吐平面丝性状比较，选配了薪杭ＸＺＡＵ２号一代杂交种，经生产试用，表明该品种强健好养，张种产丝量高，且平面丝质量好，另外，一代杂交种试繁成绩表明，制种性能良好。     

Breeding of a New Silkworm Variety “Yesanyuan” with Healthiness and Hypersilk

[Objective] The study aimed to breed eminent mulbery wild silb with hypersilk.[Method] Eminent mulberry wild silkworm basic materials Ye A and Ye B were bred by distant complex crossing of wild mulberry silkworm with strong stress resistance and hypersilkgeneous silkworm,then hybridized with Japanese silkworm strain,the new silkworm variety "Yesanyuan" with healthiness and hypersilkgene was bred.[Ressult]The results of laboratory identification and rural productive test in Jiangsu Province showed that it has excellent feeding habit,strong stress resistance,high yield,excellent silk quality and excellent fecundity.The new silkworm variety "Yesanyuan" had been approved by Silkworm Variety Evaluation Commission of Jiangsu Province in 2008,it is suitable to rear in Yangtze River catchment for Spring and Autumn,North sericultural area for all-year.[Conclusion] The study is helpful for the development of silkworm industry.     

家蚕新品种“金丝一号”在农村的饲养效果

[目的]了解家蚕新品种“金丝一号”的农村饲养状况。[方法]以“金丝一号”为供试家蚕品种,“871×872”为对照,调查龄期经过、死笼率、全茧量、茧层量等各项指标,比较试验品种生产性状的优劣。[结果]“金丝一号”的饲育方法与常规家蚕品种一致,其平均全茧量达到1．840g,平均茧层量0．376g,平均茧层率20．45％,张种平均产茧量35．79kg,其茧质成绩较理想,已接近实用家蚕品种实际生产的产量水平。其张种平均产值达到1002．12元,经济效益高于常规品种。“金丝一号”茧丝颜色为金黄色,不再需要进行人工染色,降低了加工成本。[结论]该研究为进一步掌握“金丝一号”的生产性状和表现奠定了基础。     

论转基因技术与家蚕新品种的选育

介绍了家蚕转基因方法、国内家蚕品种选育的现状及国内外转基因家蚕品种选育进展,并指出转基因技术是家蚕品种选育的重要途径。     

选育家蚕日系品种新途径的探讨

阐述了从杂交组合（中系×日系）选育日系品种的方法。经过多年选择,从中培育出７个日系品种。该方法不仅拓宽了家蚕日系品种选育途径,而且丰富了家蚕日系品种资源。     

耐抽薹春甘蓝新品种早春6号的选育及其特性研究

利用甘蓝自交不亲和系2P-42与48余份甘蓝父本杂交,培育出了优势明显的一代杂种“早春6号”,其具有生长势强、结球性好,叶球紧实、牛心形,平均单球重1 kg左右,抗黑腐病能力强,耐寒性好,并具有较好的耐先期抽薹能力,适合春季栽培,平均亩产2 500 kg以上,比对照争春增产10%左右。     

早籼新品种"赣早籼57号"的选育及应用

在“85-02”早籼稻大田中发现自然变异单株,经系统选育,育成“赣早籼57号”。该品种具有高产、优质、抗性好、熟期偏早等特点,于2004年通过江西省品种审定委员会审定,与早杂搭配种植,有利于早稻品种布局。     

桑蚕春秋用品种贵蚕7号的选育

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。     

家蚕暗化型(mln)品种育成初报

家蚕暗化型(mln)品种,蛾为灰黑色,把暗化型基因导入现行生产用种,与常规白蛾组配1代杂交种,可把杂交种的杂交彻底率提高到99%以上,提高了蚕种质量.