春蚕用新品种菁松,晧月,是中国农业科学院蚕业研究所采用杂交方法,进行同系交配而育成的优质新品种。1980～1981年参加全国桑蚕品种共同鉴定的结果,与对照种华合×东肥比较,茧层率提高7.20％,万头产丝量提高4.52％,鲜毛茧生丝率 Spring silkworm with new varieties of Jing Song, month, is the Chinese Academy of Agricultural Sciences Institute of Sericulture using hybrid methods, breeding and breeding of the same series of high quality new varieties. From 1980 to 1981 to participate in the national silkworm varieties identification results, compared with the control species Huaye × East fertilizer, the cocoon layer rate increased by 7.20%, 000 head silk yield increased 4.52%, fresh cocoon silk rate