| 三倍体大黄鱼的诱导及其对生长、性腺发育的影响 |
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| 引用本文： | 林琪.三倍体大黄鱼的诱导及其对生长、性腺发育的影响[J].水产学报,2004,28(6):728-732. |
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| 作者姓名： | 林琪 |
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| 作者单位： | 1. 厦门大学海洋与环境学院,福建,厦门,361005;福建省水产研究所,福建,厦门,361012
2. 福建省水产研究所,福建,厦门,361012 |
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| 基金项目： | 福建省科技厅资助项目(99-2-212) |
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| 摘 要： | 自20世纪50年代以来,采用染色体操作技术人工诱导多倍体在鱼类遗传育种领域已得到广泛的应用。国内外已先后在三棘刺鱼1]、鲤2]、水晶彩鲫3]等30多种鱼类成功获得三倍体。在理论上,由于三倍体性腺发育受阻,其用于性腺发育的能量可全部用于生长。因此鱼类育种学家期望通过诱导三倍体,使经济鱼类生长更快,经济效益更高。但历经30余年的研究,诸家看法仍未统一。一些学者认为三倍体鱼比二倍体生长快4,5],另一些学者则认为三倍体鱼并不比二倍体生长快6,7]还有一些学者的研究表明三倍体鱼在性成熟以后比二倍体生长稍快8,9]。对于三倍体…
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| 关 键 词： | 大黄鱼 三倍体 生长 性腺发育 |
| 文章编号： | 1000-0615(2004)06-0728-05 |
| 收稿时间： | 2014/3/14 0:00:00 |
| 修稿时间： | 2003年11月20 |
Induction of triploidy and its effect on growth and gonadal development in Pseudosciaena crocea |
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| LIN Qi.Induction of triploidy and its effect on growth and gonadal development in Pseudosciaena crocea[J].Journal of Fisheries of China,2004,28(6):728-732. |
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| Authors: | LIN Qi |
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| Abstract: | Triploid was induced by hydrostatic pressure in Pseudosciaena crocea. Pressure shock of 500kg?cm -2
was administered to eggs for 2 min at 3 min after fertilization. The triploid rate was 92. 1 %. The nucleus
diameters (major axes) and volumes of erythrocytes in triploid were measured respectively 1. 28 and 1. 70 times
those in diploid. The triploid growth rates (body length , weight) were not significantly different compared to the
diploid controls. The gonadal development was studied through tissue section. The result showed that the triploids
had undeveloped gonads and were sterile. |
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| Keywords: | Pseudosciaena crocea triploid growth gonadal development |
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