A Preliminary Report on the Breeding Performance Improvement Test of the Natural Coloured Cocoon Silkworm Variety'Mercury 1'
This paper carries out experiments through the establishment of different strains of'Qiu Fang'and'Jin yu',the comparison between strains of'Qiu Fang'and'Jin yu',the comparison between strains of'Qiu Fang'and'Jin yu',and the comparison between strains of breeding performance of the original species,and the screening of new strain combinations of cocoon quality and silk quality performance is similar to that of'Mercury No.1',and the new strains of Japanese combinations of breeding performance has improved to a great extent.The breeding performance of the new Japanese Variety combination was greatly improved,which effectively solved the problem of low breeding coefficient of'Mercury No.1'when it was widely used in large areas.
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