浙江推广蚕品种的演变

对1968～2005年浙江蚕种出库资料进行了统计分析,提出了推广蚕品种的定义。在此期间浙江推广蚕品种有27对,其中主要推广品种14对。指出建国以来蚕品种更新经历了六个阶段。总结了蚕品种更新中经济性状的变化、季节布局的变化、品种来源的变化和更新周期等特点。回顾了浙江家蚕育种工作的进展,分析了推广秋种春养的原因,对蚕品种的选育目标,蚕品种的分类和如何加强育种工作提出了意见。

Evolution of Applied Silkworm Hybrids in Zhejiang Province

Statistic analysis on the data of Zhejiang silkworm eggs were used during 1968-2005. The applied silkworm hybrids were given definition define. 27 hybrids were applied among which 14 hybrids were mainly applied. The evolution of the hybrids had 6 stages, in which the change of economic characters, seasonal use, hybrid source and renew cycle, etc. were summed up. The developing of silkworm breeding, the reasons of the hybrids used in spring for autumn rearing were reviewed Prospect for the silkworm breeding objectives the hybrid classification and breeding work were carried out.