EVALUATION OF ROMANIAN SILKWORM BREEDS REGARDING BIOLOGICAL CHARACTERS VALUES WITH CONNECTION TO THEIR USE IN THE BREEDING PROGRAMS
Keywords:
silkworm, Bombyx mori L., biological characters, breedingAbstract
A study with 14 Romanian breeds, introduced in Bulgaria has been conducted during the period
2008–2016 at the Sericulture and Agriculture Experiment Station, Vratsa, Bulgaria.
The Romanian silkworm breeds introduced are characterized with comparatively high values of
the biological characters. The best parameters regarding the silkworm egg hatchability and larval viability displayed the breeds Alb Cislau 29, Baneasa 1, SK 2/F and Rg-90.
The Romanian breeds Alb Cislau 29, Baneasa P and № - 6р demonstrated the best fresh cocoons
technological characters values.
The breed RG 90 is suitable for the breeding of hybrids with special characteristics because it performed comparatively high biological and technological characters values as well.
As a donor for genes with ancient origin the breed VAR may be used as it demonstrates comparatively high biological and technological characters values as well.
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