二化一放蚕区柞蚕杂交种呼伦贝尔一号的选育

Breeding of Antheraea permyi Hybrid Variety Hulunbei'er 1 in Bivoltine Area in which Breeding One Generation A Year

采用系统分离和杂交育种方法,育成了适合二化一放蚕区(主要为高寒地区)放养的柞蚕四元杂交新品种呼伦贝尔一号。经小区试验和农村生产鉴定,主要经济性状均超过对照种,千粒茧重11.24 kg,茧层量1.28 g,平均每把产茧量1461.12 kg,分别比对照种提高8.91%、16.67%和39.87%;茧丝长1246.42 m,解舒丝长656.46 m,分别比对照种增长165.21 m和177.70 m。该品种具有强健好养、产量高、茧丝质优良和适应性强等特点。

A new Antheraea pernyi variety Hulunbei＇ er 1 in bivoltine area in which breeding one generation for a year has been bred by the methods of pedigree separation and hybridization. The identification of laboratory and farmers＇ rearing all showed that the major economical traits of the new variety were superior to the control, the cocoon weight per 1, 000 cocoons was 11.24 kg ,average cocoon shell weight was 1.28 g and average cocoon yield per person was 1 461. 12 kg , which increased 8.91%, 16.67% and 39. 87% respectively compared with the control, Its cocoon filament length and the length of non - broken cocoon filament were 1246.42m and 656.46m ;which were 165.21 m and 177.70 m longer than the control, respectively. This variety has the advantages of healthiness, high cocoon yield and high silk quality, strong adaptability.