北方蚕区2020年秋季桑蚕新品种实验室鉴定(安康点)报告  

Report on Laboratory Identification of New Silkworm Varieties in Northern Silkworm Area in Autumn of 2020(Ankang)

作　　者：刘晓 赵春晓 李琴 王功献 陈佳 陈正余 LIU Xiao;ZHAO Chunxiao;LI Qin;WANG Gongxian;CHEN Jia;CHEN Zhengyu(Ankang Sericulture Industry Development Center,Ankang Shaanxi 725000,China)

机构地区：[1]安康市蚕桑产业发展中心,陕西安康725000

出　　处：《北方蚕业》2021年第3期39-41,44,共4页North Sericulture

摘　　要：2020年秋季,安康市蚕桑产业发展中心对参加北方蚕区联合鉴定的2对桑蚕新品种进行了实验室鉴定。根据蚕期表现、茧质和丝质等成绩对参鉴品种性状进行概括说明和分析。实验结果表明,鲁21×鲁22实用孵化率低,发育较齐,茧形匀整。死笼率低,抗病性较强。茧层量和茧层率高于对照品种,丝质成绩不如对照品种。丰白×永中实用孵化率高,发育齐一,茧形匀整。普通茧百分率和解舒率高于对照品种,其他指标均低于对照种,抗病性一般,丝质偏差,整体表现不佳。In the autumn of 2020,Ankang Sericulture Industry Development Center carried out laboratory identification on two pairs of new silkworm varieties which participated in the joint identification in northern silkworm areas.The tested varieties were summarized and analyzed in terms of their performance in silkworm stage,cocoon quality and silk quality.The results showed that Lu 21×Lu 22 has low hatching rate,relatively uniform development and even cocoon shape.The death rate is low and its disease resistance is strong.The cocoon layer quantity and cocoon layer ratio are higher than those of the control,but the silk quality is inferior to that of the control.Fengbai×Yongzhong has high practical hatching rate,uniform development and even cocoon shape.The percentage of common cocoon is higher than that of the control,but the other indexes are lower than that of the control.The disease resistance performance is ordinary,and the silk quality is not good.Its overall performance is not good.

关 键 词：桑蚕品种 实验室鉴定 安康点 

分 类 号：S882[农业科学—特种经济动物饲养]