家蚕斑纹双限性品种云限1号的选育初报

来源 :中国蚕学会第十二届家柞蚕遗传育种与良种繁育学术研讨会 | 被引量 : 0次 | 上传用户:dexiaolu
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  [目的]选育斑纹限性品种,是为降低蚕种生产成本、提高蚕种质量和产量、拓宽茧丝产品的应用范围。[方法]通过系统筛选和配合力测试,确定采用795、H05、日新A 和云蚕7A 为亲本,根据家蚕杂交育种原理,组配成斑纹双限品种云限1 号。
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为降低蚕种生产成本、提高蚕种质量和产量、拓宽茧丝产品的应用范围,需要选育出适宜云南蚕桑产业发展、蚕农、种场和丝厂三方均满意的家蚕新品种,我们利用保存和引进的家蚕限性种质资源,采用杂交育种的方法,同时注重品种的茧丝品质、强健性、繁育性能等多项经济性状的综合选择,历经多年选育出多丝量皮斑双限性家蚕品种“云蚕10 号”。经过多批次饲育成绩显示,该品种产茧量、茧层量高,是一个优良的春用家蚕品种。