An analysis of heterosis vigour and its components in silkworm, Bombyx mori L. hybrids, created from sex-limited lines. III. Moth reproductive characters
2004
Petkov, N. (Regional Centre for Scientific-Applied Service, Vratsa (Bulgaria)) | Petkov, Z. (Regional Centre for Scientific-Applied Service, Vratsa (Bulgaria)) | Natcheva, Y. (Regional Centre for Scientific-Applied Service, Vratsa (Bulgaria)) | Grekov, D. (Agricultural University, Plovdiv (Bulgaria)) | Arnaudova, K. (Agricultural University, Plovdiv (Bulgaria))
The heterosis vigour in F1, depression in F2 and gene effects on the inheritance of main silkworm moth reproductive characters in silkworm, Bombyx mori L. hybrids, created from sex-limited lines was studied. Weak manifestation of heterosis at number and weight of normal eggs per one lying over MP in range of 0.09-3.35% and 0.15-4.37% was observed in almost all tested crosses, while the value of this genetic parameter over HP (sex-limited at larva stage lines) was lower with 1.52-7.07% and 2.48-9.90%,respectively.
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