【摘要】 <正>1 引言 家蚕孤雌生殖,自然发生量极少,人工诱发刺激处女蛾卵曾获得6％的变色卵。在家蚕卵色的组成中,浆液膜色由发育的受精核所决定。故用蚕卵着色可确定单性卵是否发育,用着色不干瘪可确定着色成活卵。将获得的着色活性卵,用常规方法饲养成当代单性蚕得继代蚕即可供选择之用。更多还原

【Abstract】 The effect of coloured egg by race, dosage and temperatur on the survival rate was studied. The results showed the laser-induced-colored egg rate reaches 55%. This experiment showed that the newly hatched larvae were all female from the eggs of parthenogensis of silkworm by laser Irradiation. Compared with their parents, the offsprings exhited sluggish larva grow-up, the cocoon quality improved and the deformed silkworms were faw in the rearing tests.更多还原