1- Institute of Life Sciences, Jiangsu University, Jiangsu 212013, China 2- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212018, China)
The successfully breeding of the hybrids 873?874 had settled the problem that the yield was not uniform to the silk quality in silkworm varieties. In this paper, we illuminated the key technology, principle, hints and methods for selection in breeding spring-and-autumn rearing silkworm varieties were analyzed using the procedure of breeding the hybrid of 873 × 874 as example.
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