摘要
采用系统分离育种的方法 ,对大型茧与生命力两项主要性状平衡选择 ,经过 10a 12代 ,育成了柞蚕新品种 91S2 0。新品种具有茧大、产量高、抗逆性强、易饲养的优点 ,千粒茧重达 11 4kg ,产量比对照青六号提高 12 79%。
A new big cocoon tussah silkworm variety 91S20 was bred from the tawny cocoon variety Qing1 by the methods of pedigree selection after ten years (12 generations) selection.The new variety 91S20 showed strong and easy to rear,and good economic characters such as big cocoon and high yield.The weight of a thousand cocoon is 11.44 kg.Cocoon yield of 91S20 increased by 12.79% when compared with the control Qing 6.This new variety is suitable for single rearing of bivoltine tussah silkworm in countryside.
出处
《蚕业科学》
CAS
CSCD
2001年第3期240-242,共3页
ACTA SERICOLOGICA SINICA