家蚕品种“明丰×春玉”改良系农村饲养初报

A Preliminary Report on Rearing Performance of the Improved Silkworm Variety "Ming Feng × Chun Yu" in Rural Areas

家蚕品种"明丰×春玉"抗Bm NPV改良系在农村试养中,表现出蔟中不利气候条件下结茧率偏低的现象。针对存在的问题,对品种特性进行进一步改良。改良品种的农村试养对比结果表明,改良系抗病毒病性状优良,各项经济性状优于对照品种。

The anti-BmNPV strain of Silkworm hybrid"Mingfeng×Chunyu"has shown a lower cocooning rate under the unfavorable climatic conditions in trial rearing.The new strain was improved particularly aiming at this weakness.Results of the comparison between the rearing performance of the improved strain and the original strain showed that the improved strain had higher ability to anti-virus diseases and better economic characters.